aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-08-07 09:55:19 +0200
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-08-07 09:55:19 +0200
commit0074281bb6316108e0cff094bd4db78ab3eee236 (patch)
tree9b5eeb12eed9fd2a8aa329043da7f5150ceb938c /drivers
parentgpio: mlxbf2: use platform_get_irq_optional() (diff)
parentMerge tag 'input-for-v6.17-rc0' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
downloadlinux-0074281bb6316108e0cff094bd4db78ab3eee236.tar.gz
linux-0074281bb6316108e0cff094bd4db78ab3eee236.zip
Merge commit '6e64f4580381e32c06ee146ca807c555b8f73e24' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into gpio/for-next
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/ata_piix.c1
-rw-r--r--drivers/ata/libahci.c1
-rw-r--r--drivers/ata/libata-core.c2
-rw-r--r--drivers/ata/libata-sata.c53
-rw-r--r--drivers/ata/libata-scsi.c38
-rw-r--r--drivers/ata/pata_macio.c2
-rw-r--r--drivers/ata/pata_pdc2027x.c12
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c8
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c4
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c59
-rw-r--r--drivers/cpufreq/rcpufreq_dt.rs5
-rw-r--r--drivers/cxl/core/mce.h2
-rw-r--r--drivers/gpu/drm/drm_panic_qr.rs4
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_log.c3
-rw-r--r--drivers/gpu/drm/nova/nova.rs2
-rw-r--r--drivers/gpu/drm/xe/xe_vm_types.h2
-rw-r--r--drivers/gpu/nova-core/driver.rs2
-rw-r--r--drivers/gpu/nova-core/firmware.rs5
-rw-r--r--drivers/gpu/nova-core/nova_core.rs2
-rw-r--r--drivers/gpu/nova-core/regs.rs2
-rw-r--r--drivers/gpu/nova-core/regs/macros.rs2
-rw-r--r--drivers/gpu/nova-core/util.rs4
-rw-r--r--drivers/hid/hid-debug.c2
-rw-r--r--drivers/hid/hid-steam.c35
-rw-r--r--drivers/i2c/busses/Kconfig1
-rw-r--r--drivers/i2c/busses/i2c-qcom-geni.c6
-rw-r--r--drivers/i2c/busses/i2c-stm32f7.c32
-rw-r--r--drivers/i2c/busses/i2c-tegra.c64
-rw-r--r--drivers/i2c/i2c-core-acpi.c1
-rw-r--r--drivers/i2c/muxes/i2c-mux-mule.c3
-rw-r--r--drivers/i3c/device.c11
-rw-r--r--drivers/i3c/internals.h38
-rw-r--r--drivers/i3c/master.c38
-rw-r--r--drivers/i3c/master/Kconfig10
-rw-r--r--drivers/i3c/master/Makefile1
-rw-r--r--drivers/i3c/master/dw-i3c-master.c47
-rw-r--r--drivers/i3c/master/i3c-master-cdns.c90
-rw-r--r--drivers/i3c/master/mipi-i3c-hci/core.c2
-rw-r--r--drivers/i3c/master/renesas-i3c.c1404
-rw-r--r--drivers/i3c/master/svc-i3c-master.c32
-rw-r--r--drivers/infiniband/sw/siw/siw_qp_tx.c5
-rw-r--r--drivers/input/Makefile2
-rw-r--r--drivers/input/evdev.c8
-rw-r--r--drivers/input/input.c2
-rw-r--r--drivers/input/joystick/xpad.c64
-rw-r--r--drivers/input/keyboard/adp5588-keys.c9
-rw-r--r--drivers/input/keyboard/atkbd.c12
-rw-r--r--drivers/input/keyboard/mtk-pmic-keys.c17
-rw-r--r--drivers/input/keyboard/samsung-keypad.c137
-rw-r--r--drivers/input/misc/Kconfig7
-rw-r--r--drivers/input/misc/Makefile1
-rw-r--r--drivers/input/misc/cs40l50-vibra.c1
-rw-r--r--drivers/input/misc/max77693-haptic.c41
-rw-r--r--drivers/input/misc/max8997_haptic.c96
-rw-r--r--drivers/input/misc/pcf50633-input.c113
-rw-r--r--drivers/input/rmi4/Kconfig15
-rw-r--r--drivers/input/rmi4/Makefile2
-rw-r--r--drivers/input/rmi4/rmi_bus.c6
-rw-r--r--drivers/input/rmi4/rmi_driver.h2
-rw-r--r--drivers/input/rmi4/rmi_f1a.c143
-rw-r--r--drivers/input/rmi4/rmi_f21.c179
-rw-r--r--drivers/input/touch-overlay.c277
-rw-r--r--drivers/input/touchscreen/ad7879.c11
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c26
-rw-r--r--drivers/input/touchscreen/goodix.c50
-rw-r--r--drivers/input/touchscreen/st1232.c35
-rw-r--r--drivers/md/dm-flakey.c9
-rw-r--r--drivers/md/dm-ima.c42
-rw-r--r--drivers/md/dm-path-selector.c8
-rw-r--r--drivers/md/dm-path-selector.h2
-rw-r--r--drivers/md/dm-ps-historical-service-time.c9
-rw-r--r--drivers/md/dm-ps-io-affinity.c5
-rw-r--r--drivers/md/dm-ps-queue-length.c9
-rw-r--r--drivers/md/dm-ps-round-robin.c9
-rw-r--r--drivers/md/dm-ps-service-time.c9
-rw-r--r--drivers/md/dm-raid.c7
-rw-r--r--drivers/md/dm-table.c10
-rw-r--r--drivers/md/dm-thin.c7
-rw-r--r--drivers/md/dm-vdo/funnel-workqueue.c3
-rw-r--r--drivers/md/dm-verity-fec.c4
-rw-r--r--drivers/md/dm-verity-target.c185
-rw-r--r--drivers/md/dm-verity.h22
-rw-r--r--drivers/md/dm-zone.c2
-rw-r--r--drivers/md/dm-zoned-target.c2
-rw-r--r--drivers/md/dm.c11
-rw-r--r--drivers/media/platform/qcom/venus/pm_helpers.c12
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c2
-rw-r--r--drivers/net/usb/usbnet.c6
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_trace.c3
-rw-r--r--drivers/net/wwan/t7xx/t7xx_port_trace.c2
-rw-r--r--drivers/pci/hotplug/pnv_php.c248
-rw-r--r--drivers/rtc/Kconfig21
-rw-r--r--drivers/rtc/Makefile2
-rw-r--r--drivers/rtc/lib.c40
-rw-r--r--drivers/rtc/rtc-ds1307.c30
-rw-r--r--drivers/rtc/rtc-ds1685.c4
-rw-r--r--drivers/rtc/rtc-hym8563.c15
-rw-r--r--drivers/rtc/rtc-m41t80.c25
-rw-r--r--drivers/rtc/rtc-max31335.c12
-rw-r--r--drivers/rtc/rtc-nct3018y.c15
-rw-r--r--drivers/rtc/rtc-pcf85063.c267
-rw-r--r--drivers/rtc/rtc-pcf8563.c15
-rw-r--r--drivers/rtc/rtc-rv3028.c15
-rw-r--r--drivers/rtc/rtc-rv3032.c21
-rw-r--r--drivers/rtc/rtc-s3c.c8
-rw-r--r--drivers/rtc/rtc-sh.c8
-rw-r--r--drivers/rtc/sysfs.c64
-rw-r--r--drivers/rtc/test_rtc_lib.c (renamed from drivers/rtc/lib_test.c)0
-rw-r--r--drivers/scsi/aacraid/comminit.c3
-rw-r--r--drivers/scsi/libsas/sas_ata.c10
-rw-r--r--drivers/scsi/libsas/sas_discover.c2
-rw-r--r--drivers/scsi/libsas/sas_internal.h78
-rw-r--r--drivers/scsi/libsas/sas_phy.c6
-rw-r--r--drivers/scsi/libsas/sas_port.c13
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c3
-rw-r--r--drivers/scsi/scsi_scan.c2
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c2
-rw-r--r--drivers/scsi/scsi_transport_sas.c60
-rw-r--r--drivers/scsi/sd.c4
-rw-r--r--drivers/target/target_core_fabric_lib.c63
-rw-r--r--drivers/target/target_core_iblock.c33
-rw-r--r--drivers/target/target_core_iblock.h1
-rw-r--r--drivers/target/target_core_internal.h4
-rw-r--r--drivers/target/target_core_pr.c18
-rw-r--r--drivers/ufs/core/ufs-sysfs.c3
-rw-r--r--drivers/ufs/core/ufshcd.c105
-rw-r--r--drivers/ufs/host/ufs-mediatek.c330
-rw-r--r--drivers/ufs/host/ufs-mediatek.h32
-rw-r--r--drivers/ufs/host/ufs-qcom.c8
-rw-r--r--drivers/ufs/host/ufshcd-pci.c33
-rw-r--r--drivers/vfio/device_cdev.c38
-rw-r--r--drivers/vfio/group.c7
-rw-r--r--drivers/vfio/iommufd.c4
-rw-r--r--drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c1
-rw-r--r--drivers/vfio/pci/mlx5/cmd.c4
-rw-r--r--drivers/vfio/pci/mlx5/main.c1
-rw-r--r--drivers/vfio/pci/nvgrace-gpu/main.c2
-rw-r--r--drivers/vfio/pci/pds/vfio_dev.c2
-rw-r--r--drivers/vfio/pci/qat/main.c5
-rw-r--r--drivers/vfio/pci/vfio_pci.c1
-rw-r--r--drivers/vfio/pci/vfio_pci_core.c24
-rw-r--r--drivers/vfio/pci/virtio/main.c3
-rw-r--r--drivers/vfio/vfio_iommu_type1.c7
-rw-r--r--drivers/vfio/vfio_main.c3
144 files changed, 4078 insertions, 1320 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 229429ba5027..495fa096dd65 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1089,6 +1089,7 @@ static struct ata_port_operations ich_pata_ops = {
};
static struct attribute *piix_sidpr_shost_attrs[] = {
+ &dev_attr_link_power_management_supported.attr,
&dev_attr_link_power_management_policy.attr,
NULL
};
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index b335fb7e5cb4..c79abdfcd7a9 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -111,6 +111,7 @@ static DEVICE_ATTR(em_buffer, S_IWUSR | S_IRUGO,
static DEVICE_ATTR(em_message_supported, S_IRUGO, ahci_show_em_supported, NULL);
static struct attribute *ahci_shost_attrs[] = {
+ &dev_attr_link_power_management_supported.attr,
&dev_attr_link_power_management_policy.attr,
&dev_attr_em_message_type.attr,
&dev_attr_em_message.attr,
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 97d9f0488cc1..ff53f5f029b4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4602,7 +4602,7 @@ static unsigned int ata_dev_init_params(struct ata_device *dev,
return AC_ERR_INVALID;
/* set up init dev params taskfile */
- ata_dev_dbg(dev, "init dev params \n");
+ ata_dev_dbg(dev, "init dev params\n");
ata_tf_init(dev, &tf);
tf.command = ATA_CMD_INIT_DEV_PARAMS;
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index 4734465d3b1e..b2817a2995d6 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -900,14 +900,52 @@ static const char *ata_lpm_policy_names[] = {
[ATA_LPM_MIN_POWER] = "min_power",
};
+/*
+ * Check if a port supports link power management.
+ * Must be called with the port locked.
+ */
+static bool ata_scsi_lpm_supported(struct ata_port *ap)
+{
+ struct ata_link *link;
+ struct ata_device *dev;
+
+ if (ap->flags & ATA_FLAG_NO_LPM)
+ return false;
+
+ ata_for_each_link(link, ap, EDGE) {
+ ata_for_each_dev(dev, &ap->link, ENABLED) {
+ if (dev->quirks & ATA_QUIRK_NOLPM)
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static ssize_t ata_scsi_lpm_supported_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct ata_port *ap = ata_shost_to_port(shost);
+ unsigned long flags;
+ bool supported;
+
+ spin_lock_irqsave(ap->lock, flags);
+ supported = ata_scsi_lpm_supported(ap);
+ spin_unlock_irqrestore(ap->lock, flags);
+
+ return sysfs_emit(buf, "%d\n", supported);
+}
+DEVICE_ATTR(link_power_management_supported, S_IRUGO,
+ ata_scsi_lpm_supported_show, NULL);
+EXPORT_SYMBOL_GPL(dev_attr_link_power_management_supported);
+
static ssize_t ata_scsi_lpm_store(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(device);
struct ata_port *ap = ata_shost_to_port(shost);
- struct ata_link *link;
- struct ata_device *dev;
enum ata_lpm_policy policy;
unsigned long flags;
@@ -924,20 +962,11 @@ static ssize_t ata_scsi_lpm_store(struct device *device,
spin_lock_irqsave(ap->lock, flags);
- if (ap->flags & ATA_FLAG_NO_LPM) {
+ if (!ata_scsi_lpm_supported(ap)) {
count = -EOPNOTSUPP;
goto out_unlock;
}
- ata_for_each_link(link, ap, EDGE) {
- ata_for_each_dev(dev, &ap->link, ENABLED) {
- if (dev->quirks & ATA_QUIRK_NOLPM) {
- count = -EOPNOTSUPP;
- goto out_unlock;
- }
- }
- }
-
ap->target_lpm_policy = policy;
ata_port_schedule_eh(ap);
out_unlock:
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 27b15176db56..57f674f51b0c 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -859,18 +859,14 @@ static void ata_to_sense_error(u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc,
{0xFF, 0xFF, 0xFF, 0xFF}, // END mark
};
static const unsigned char stat_table[][4] = {
- /* Must be first because BUSY means no other bits valid */
- {0x80, ABORTED_COMMAND, 0x47, 0x00},
- // Busy, fake parity for now
- {0x40, ILLEGAL_REQUEST, 0x21, 0x04},
- // Device ready, unaligned write command
- {0x20, HARDWARE_ERROR, 0x44, 0x00},
- // Device fault, internal target failure
- {0x08, ABORTED_COMMAND, 0x47, 0x00},
- // Timed out in xfer, fake parity for now
- {0x04, RECOVERED_ERROR, 0x11, 0x00},
- // Recovered ECC error Medium error, recovered
- {0xFF, 0xFF, 0xFF, 0xFF}, // END mark
+ /* Busy: must be first because BUSY means no other bits valid */
+ { ATA_BUSY, ABORTED_COMMAND, 0x00, 0x00 },
+ /* Device fault: INTERNAL TARGET FAILURE */
+ { ATA_DF, HARDWARE_ERROR, 0x44, 0x00 },
+ /* Corrected data error */
+ { ATA_CORR, RECOVERED_ERROR, 0x00, 0x00 },
+
+ { 0xFF, 0xFF, 0xFF, 0xFF }, /* END mark */
};
/*
@@ -942,6 +938,8 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc)
if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
ata_dev_dbg(dev,
"missing result TF: can't generate ATA PT sense data\n");
+ if (qc->err_mask)
+ ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0);
return;
}
@@ -996,8 +994,8 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
ata_dev_dbg(dev,
- "missing result TF: can't generate sense data\n");
- return;
+ "Missing result TF: reporting aborted command\n");
+ goto aborted;
}
/* Use ata_to_sense_error() to map status register bits
@@ -1008,13 +1006,15 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
ata_to_sense_error(tf->status, tf->error,
&sense_key, &asc, &ascq);
ata_scsi_set_sense(dev, cmd, sense_key, asc, ascq);
- } else {
- /* Could not decode error */
- ata_dev_warn(dev, "could not decode error status 0x%x err_mask 0x%x\n",
- tf->status, qc->err_mask);
- ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0);
return;
}
+
+ /* Could not decode error */
+ ata_dev_warn(dev,
+ "Could not decode error 0x%x, status 0x%x (err_mask=0x%x)\n",
+ tf->error, tf->status, qc->err_mask);
+aborted:
+ ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0);
}
void ata_scsi_sdev_config(struct scsi_device *sdev)
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index f7a933eefe05..9eefdc5df5df 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -758,7 +758,7 @@ static void pata_macio_irq_clear(struct ata_port *ap)
static void pata_macio_reset_hw(struct pata_macio_priv *priv, int resume)
{
- dev_dbg(priv->dev, "Enabling & resetting... \n");
+ dev_dbg(priv->dev, "Enabling & resetting...\n");
if (priv->mediabay)
return;
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index d792ce6d97bf..ae914dcb0c83 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -295,7 +295,7 @@ static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
/* Set the PIO timing registers using value table for 133MHz */
- ata_port_dbg(ap, "Set pio regs... \n");
+ ata_port_dbg(ap, "Set PIO regs...\n");
ctcr0 = ioread32(dev_mmio(ap, adev, PDC_CTCR0));
ctcr0 &= 0xffff0000;
@@ -308,7 +308,7 @@ static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev)
ctcr1 |= (pdc2027x_pio_timing_tbl[pio].value2 << 24);
iowrite32(ctcr1, dev_mmio(ap, adev, PDC_CTCR1));
- ata_port_dbg(ap, "Set to pio mode[%u] \n", pio);
+ ata_port_dbg(ap, "Set to PIO mode[%u]\n", pio);
}
/**
@@ -341,7 +341,7 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev)
iowrite32(ctcr1 & ~(1 << 7), dev_mmio(ap, adev, PDC_CTCR1));
}
- ata_port_dbg(ap, "Set udma regs... \n");
+ ata_port_dbg(ap, "Set UDMA regs...\n");
ctcr1 = ioread32(dev_mmio(ap, adev, PDC_CTCR1));
ctcr1 &= 0xff000000;
@@ -350,14 +350,14 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev)
(pdc2027x_udma_timing_tbl[udma_mode].value2 << 16);
iowrite32(ctcr1, dev_mmio(ap, adev, PDC_CTCR1));
- ata_port_dbg(ap, "Set to udma mode[%u] \n", udma_mode);
+ ata_port_dbg(ap, "Set to UDMA mode[%u]\n", udma_mode);
} else if ((dma_mode >= XFER_MW_DMA_0) &&
(dma_mode <= XFER_MW_DMA_2)) {
/* Set the MDMA timing registers with value table for 133MHz */
unsigned int mdma_mode = dma_mode & 0x07;
- ata_port_dbg(ap, "Set mdma regs... \n");
+ ata_port_dbg(ap, "Set MDMA regs...\n");
ctcr0 = ioread32(dev_mmio(ap, adev, PDC_CTCR0));
ctcr0 &= 0x0000ffff;
@@ -366,7 +366,7 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev)
iowrite32(ctcr0, dev_mmio(ap, adev, PDC_CTCR0));
- ata_port_dbg(ap, "Set to mdma mode[%u] \n", mdma_mode);
+ ata_port_dbg(ap, "Set to MDMA mode[%u]\n", mdma_mode);
} else {
ata_port_err(ap, "Unknown dma mode [%u] ignored\n", dma_mode);
}
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 064944ae9fdc..8e9050f99e9e 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -4607,10 +4607,10 @@ return_unspecified:
* The NetFN and Command in the response is not even
* marginally correct.
*/
- dev_warn(intf->si_dev,
- "BMC returned incorrect response, expected netfn %x cmd %x, got netfn %x cmd %x\n",
- (msg->data[0] >> 2) | 1, msg->data[1],
- msg->rsp[0] >> 2, msg->rsp[1]);
+ dev_warn_ratelimited(intf->si_dev,
+ "BMC returned incorrect response, expected netfn %x cmd %x, got netfn %x cmd %x\n",
+ (msg->data[0] >> 2) | 1, msg->data[1],
+ msg->rsp[0] >> 2, msg->rsp[1]);
goto return_unspecified;
}
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index bb42dfe1c6a8..8b5524069c15 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2108,7 +2108,6 @@ static bool __init ipmi_smi_info_same(struct smi_info *e1, struct smi_info *e2)
static int __init init_ipmi_si(void)
{
struct smi_info *e, *e2;
- enum ipmi_addr_src type = SI_INVALID;
if (initialized)
return 0;
@@ -2190,9 +2189,6 @@ static int __init init_ipmi_si(void)
initialized = true;
mutex_unlock(&smi_infos_lock);
- if (type)
- return 0;
-
mutex_lock(&smi_infos_lock);
if (unload_when_empty && list_empty(&smi_infos)) {
mutex_unlock(&smi_infos_lock);
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index ab759b492fdd..a013ddbf1466 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -1146,14 +1146,8 @@ static struct ipmi_smi_watcher smi_watcher = {
.smi_gone = ipmi_smi_gone
};
-static int action_op(const char *inval, char *outval)
+static int action_op_set_val(const char *inval)
{
- if (outval)
- strcpy(outval, action);
-
- if (!inval)
- return 0;
-
if (strcmp(inval, "reset") == 0)
action_val = WDOG_TIMEOUT_RESET;
else if (strcmp(inval, "none") == 0)
@@ -1164,18 +1158,26 @@ static int action_op(const char *inval, char *outval)
action_val = WDOG_TIMEOUT_POWER_DOWN;
else
return -EINVAL;
- strcpy(action, inval);
return 0;
}
-static int preaction_op(const char *inval, char *outval)
+static int action_op(const char *inval, char *outval)
{
+ int rv;
+
if (outval)
- strcpy(outval, preaction);
+ strcpy(outval, action);
if (!inval)
return 0;
+ rv = action_op_set_val(inval);
+ if (!rv)
+ strcpy(action, inval);
+ return rv;
+}
+static int preaction_op_set_val(const char *inval)
+{
if (strcmp(inval, "pre_none") == 0)
preaction_val = WDOG_PRETIMEOUT_NONE;
else if (strcmp(inval, "pre_smi") == 0)
@@ -1188,18 +1190,26 @@ static int preaction_op(const char *inval, char *outval)
preaction_val = WDOG_PRETIMEOUT_MSG_INT;
else
return -EINVAL;
- strcpy(preaction, inval);
return 0;
}
-static int preop_op(const char *inval, char *outval)
+static int preaction_op(const char *inval, char *outval)
{
+ int rv;
+
if (outval)
- strcpy(outval, preop);
+ strcpy(outval, preaction);
if (!inval)
return 0;
+ rv = preaction_op_set_val(inval);
+ if (!rv)
+ strcpy(preaction, inval);
+ return 0;
+}
+static int preop_op_set_val(const char *inval)
+{
if (strcmp(inval, "preop_none") == 0)
preop_val = WDOG_PREOP_NONE;
else if (strcmp(inval, "preop_panic") == 0)
@@ -1208,7 +1218,22 @@ static int preop_op(const char *inval, char *outval)
preop_val = WDOG_PREOP_GIVE_DATA;
else
return -EINVAL;
- strcpy(preop, inval);
+ return 0;
+}
+
+static int preop_op(const char *inval, char *outval)
+{
+ int rv;
+
+ if (outval)
+ strcpy(outval, preop);
+
+ if (!inval)
+ return 0;
+
+ rv = preop_op_set_val(inval);
+ if (!rv)
+ strcpy(preop, inval);
return 0;
}
@@ -1245,18 +1270,18 @@ static int __init ipmi_wdog_init(void)
{
int rv;
- if (action_op(action, NULL)) {
+ if (action_op_set_val(action)) {
action_op("reset", NULL);
pr_info("Unknown action '%s', defaulting to reset\n", action);
}
- if (preaction_op(preaction, NULL)) {
+ if (preaction_op_set_val(preaction)) {
preaction_op("pre_none", NULL);
pr_info("Unknown preaction '%s', defaulting to none\n",
preaction);
}
- if (preop_op(preop, NULL)) {
+ if (preop_op_set_val(preop)) {
preop_op("preop_none", NULL);
pr_info("Unknown preop '%s', defaulting to none\n", preop);
}
diff --git a/drivers/cpufreq/rcpufreq_dt.rs b/drivers/cpufreq/rcpufreq_dt.rs
index 9ad85fe6fd05..7e1fbf9a091f 100644
--- a/drivers/cpufreq/rcpufreq_dt.rs
+++ b/drivers/cpufreq/rcpufreq_dt.rs
@@ -9,7 +9,6 @@ use kernel::{
cpumask::CpumaskVar,
device::{Core, Device},
error::code::*,
- fmt,
macros::vtable,
module_platform_driver, of, opp, platform,
prelude::*,
@@ -19,7 +18,7 @@ use kernel::{
/// Finds exact supply name from the OF node.
fn find_supply_name_exact(dev: &Device, name: &str) -> Option<CString> {
- let prop_name = CString::try_from_fmt(fmt!("{}-supply", name)).ok()?;
+ let prop_name = CString::try_from_fmt(fmt!("{name}-supply")).ok()?;
dev.fwnode()?
.property_present(&prop_name)
.then(|| CString::try_from_fmt(fmt!("{name}")).ok())
@@ -221,7 +220,7 @@ impl platform::Driver for CPUFreqDTDriver {
module_platform_driver! {
type: CPUFreqDTDriver,
name: "cpufreq-dt",
- author: "Viresh Kumar <viresh.kumar@linaro.org>",
+ authors: ["Viresh Kumar <viresh.kumar@linaro.org>"],
description: "Generic CPUFreq DT driver",
license: "GPL v2",
}
diff --git a/drivers/cxl/core/mce.h b/drivers/cxl/core/mce.h
index ace73424eeb6..ca272e8db6c7 100644
--- a/drivers/cxl/core/mce.h
+++ b/drivers/cxl/core/mce.h
@@ -7,7 +7,7 @@
#ifdef CONFIG_CXL_MCE
int devm_cxl_register_mce_notifier(struct device *dev,
- struct notifier_block *mce_notifer);
+ struct notifier_block *mce_notifier);
#else
static inline int
devm_cxl_register_mce_notifier(struct device *dev,
diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs
index 18492daae4b3..09a9b452e8b7 100644
--- a/drivers/gpu/drm/drm_panic_qr.rs
+++ b/drivers/gpu/drm/drm_panic_qr.rs
@@ -404,7 +404,7 @@ impl DecFifo {
let mut out = 0;
let mut exp = 1;
for i in 0..poplen {
- out += self.decimals[self.len + i] as u16 * exp;
+ out += u16::from(self.decimals[self.len + i]) * exp;
exp *= 10;
}
Some((out, NUM_CHARS_BITS[poplen]))
@@ -425,7 +425,7 @@ impl Iterator for SegmentIterator<'_> {
match self.segment {
Segment::Binary(data) => {
if self.offset < data.len() {
- let byte = data[self.offset] as u16;
+ let byte = u16::from(data[self.offset]);
self.offset += 1;
Some((byte, 8))
} else {
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index e8a04e476c57..09a64f224c49 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
@@ -220,8 +220,7 @@ static int guc_action_control_log(struct intel_guc *guc, bool enable,
*/
static int subbuf_start_callback(struct rchan_buf *buf,
void *subbuf,
- void *prev_subbuf,
- size_t prev_padding)
+ void *prev_subbuf)
{
/*
* Use no-overwrite mode by default, where relay will stop accepting
diff --git a/drivers/gpu/drm/nova/nova.rs b/drivers/gpu/drm/nova/nova.rs
index 902876aa14d1..64fd670e99e1 100644
--- a/drivers/gpu/drm/nova/nova.rs
+++ b/drivers/gpu/drm/nova/nova.rs
@@ -12,7 +12,7 @@ use crate::driver::NovaDriver;
kernel::module_auxiliary_driver! {
type: NovaDriver,
name: "Nova",
- author: "Danilo Krummrich",
+ authors: ["Danilo Krummrich"],
description: "Nova GPU driver",
license: "GPL v2",
}
diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h
index bed6088e1bb3..8a07feef503b 100644
--- a/drivers/gpu/drm/xe/xe_vm_types.h
+++ b/drivers/gpu/drm/xe/xe_vm_types.h
@@ -266,7 +266,7 @@ struct xe_vm {
* up for revalidation. Protected from access with the
* @invalidated_lock. Removing items from the list
* additionally requires @lock in write mode, and adding
- * items to the list requires either the @userptr.notifer_lock in
+ * items to the list requires either the @userptr.notifier_lock in
* write mode, OR @lock in write mode.
*/
struct list_head invalidated;
diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs
index 5749bad9c285..274989ea1fb4 100644
--- a/drivers/gpu/nova-core/driver.rs
+++ b/drivers/gpu/nova-core/driver.rs
@@ -19,7 +19,7 @@ kernel::pci_device_table!(
MODULE_PCI_TABLE,
<NovaCore as pci::Driver>::IdInfo,
[(
- pci::DeviceId::from_id(bindings::PCI_VENDOR_ID_NVIDIA, bindings::PCI_ANY_ID as _),
+ pci::DeviceId::from_id(bindings::PCI_VENDOR_ID_NVIDIA, bindings::PCI_ANY_ID as u32),
()
)]
);
diff --git a/drivers/gpu/nova-core/firmware.rs b/drivers/gpu/nova-core/firmware.rs
index 0fdece652587..2931912ddba0 100644
--- a/drivers/gpu/nova-core/firmware.rs
+++ b/drivers/gpu/nova-core/firmware.rs
@@ -30,11 +30,12 @@ pub(crate) struct Firmware {
impl Firmware {
pub(crate) fn new(dev: &device::Device, chipset: Chipset, ver: &str) -> Result<Firmware> {
- let mut chip_name = CString::try_from_fmt(fmt!("{}", chipset))?;
+ let mut chip_name = CString::try_from_fmt(fmt!("{chipset}"))?;
chip_name.make_ascii_lowercase();
+ let chip_name = &*chip_name;
let request = |name_| {
- CString::try_from_fmt(fmt!("nvidia/{}/gsp/{}-{}.bin", &*chip_name, name_, ver))
+ CString::try_from_fmt(fmt!("nvidia/{chip_name}/gsp/{name_}-{ver}.bin"))
.and_then(|path| firmware::Firmware::request(&path, dev))
};
diff --git a/drivers/gpu/nova-core/nova_core.rs b/drivers/gpu/nova-core/nova_core.rs
index de14f2e92636..cb2bbb30cba1 100644
--- a/drivers/gpu/nova-core/nova_core.rs
+++ b/drivers/gpu/nova-core/nova_core.rs
@@ -18,7 +18,7 @@ pub(crate) const MODULE_NAME: &kernel::str::CStr = <LocalModule as kernel::Modul
kernel::module_pci_driver! {
type: driver::NovaCore,
name: "NovaCore",
- author: "Danilo Krummrich",
+ authors: ["Danilo Krummrich"],
description: "Nova Core GPU driver",
license: "GPL v2",
firmware: [],
diff --git a/drivers/gpu/nova-core/regs.rs b/drivers/gpu/nova-core/regs.rs
index 5ccfb61f850a..d49fddf6a3c6 100644
--- a/drivers/gpu/nova-core/regs.rs
+++ b/drivers/gpu/nova-core/regs.rs
@@ -36,7 +36,7 @@ impl NV_PMC_BOOT_0 {
pub(crate) fn chipset(self) -> Result<Chipset> {
self.architecture()
.map(|arch| {
- ((arch as u32) << Self::IMPLEMENTATION.len()) | self.implementation() as u32
+ ((arch as u32) << Self::IMPLEMENTATION.len()) | u32::from(self.implementation())
})
.and_then(Chipset::try_from)
}
diff --git a/drivers/gpu/nova-core/regs/macros.rs b/drivers/gpu/nova-core/regs/macros.rs
index cdf668073480..a3e6de1779d4 100644
--- a/drivers/gpu/nova-core/regs/macros.rs
+++ b/drivers/gpu/nova-core/regs/macros.rs
@@ -307,7 +307,7 @@ macro_rules! register {
pub(crate) fn [<set_ $field>](mut self, value: $to_type) -> Self {
const MASK: u32 = $name::[<$field:upper _MASK>];
const SHIFT: u32 = $name::[<$field:upper _SHIFT>];
- let value = ((value as u32) << SHIFT) & MASK;
+ let value = (u32::from(value) << SHIFT) & MASK;
self.0 = (self.0 & !MASK) | value;
self
diff --git a/drivers/gpu/nova-core/util.rs b/drivers/gpu/nova-core/util.rs
index 64fb13760764..76cedf3710d7 100644
--- a/drivers/gpu/nova-core/util.rs
+++ b/drivers/gpu/nova-core/util.rs
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
use kernel::prelude::*;
-use kernel::time::{Delta, Instant};
+use kernel::time::{Delta, Instant, Monotonic};
pub(crate) const fn to_lowercase_bytes<const N: usize>(s: &str) -> [u8; N] {
let src = s.as_bytes();
@@ -33,7 +33,7 @@ pub(crate) const fn const_bytes_to_str(bytes: &[u8]) -> &str {
/// TODO[DLAY]: replace with `read_poll_timeout` once it is available.
/// (https://lore.kernel.org/lkml/20250220070611.214262-8-fujita.tomonori@gmail.com/)
pub(crate) fn wait_on<R, F: Fn() -> Option<R>>(timeout: Delta, cond: F) -> Result<R> {
- let start_time = Instant::now();
+ let start_time = Instant::<Monotonic>::now();
loop {
if let Some(ret) = cond() {
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index e86bda0dab9b..7107071c7c51 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -3291,6 +3291,8 @@ static const char *keys[KEY_MAX + 1] = {
[BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
[BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode",
[BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR",
+ [BTN_GRIPL] = "BtnGripL", [BTN_GRIPR] = "BtnGripR",
+ [BTN_GRIPL2] = "BtnGripL2", [BTN_GRIPR2] = "BtnGripR2",
[BTN_TOOL_PEN] = "ToolPen", [BTN_TOOL_RUBBER] = "ToolRubber",
[BTN_TOOL_BRUSH] = "ToolBrush", [BTN_TOOL_PENCIL] = "ToolPencil",
[BTN_TOOL_AIRBRUSH] = "ToolAirbrush", [BTN_TOOL_FINGER] = "ToolFinger",
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c
index 949d307c66a8..197126d6e081 100644
--- a/drivers/hid/hid-steam.c
+++ b/drivers/hid/hid-steam.c
@@ -755,15 +755,12 @@ static int steam_input_register(struct steam_device *steam)
input_set_capability(input, EV_KEY, BTN_THUMBL);
input_set_capability(input, EV_KEY, BTN_THUMB);
input_set_capability(input, EV_KEY, BTN_THUMB2);
+ input_set_capability(input, EV_KEY, BTN_GRIPL);
+ input_set_capability(input, EV_KEY, BTN_GRIPR);
if (steam->quirks & STEAM_QUIRK_DECK) {
input_set_capability(input, EV_KEY, BTN_BASE);
- input_set_capability(input, EV_KEY, BTN_TRIGGER_HAPPY1);
- input_set_capability(input, EV_KEY, BTN_TRIGGER_HAPPY2);
- input_set_capability(input, EV_KEY, BTN_TRIGGER_HAPPY3);
- input_set_capability(input, EV_KEY, BTN_TRIGGER_HAPPY4);
- } else {
- input_set_capability(input, EV_KEY, BTN_GEAR_DOWN);
- input_set_capability(input, EV_KEY, BTN_GEAR_UP);
+ input_set_capability(input, EV_KEY, BTN_GRIPL2);
+ input_set_capability(input, EV_KEY, BTN_GRIPR2);
}
input_set_abs_params(input, ABS_X, -32767, 32767, 0, 0);
@@ -1419,8 +1416,8 @@ static inline s16 steam_le16(u8 *data)
* 9.4 | BTN_SELECT | menu left
* 9.5 | BTN_MODE | steam logo
* 9.6 | BTN_START | menu right
- * 9.7 | BTN_GEAR_DOWN | left back lever
- * 10.0 | BTN_GEAR_UP | right back lever
+ * 9.7 | BTN_GRIPL | left back lever
+ * 10.0 | BTN_GRIPR | right back lever
* 10.1 | -- | left-pad clicked
* 10.2 | BTN_THUMBR | right-pad clicked
* 10.3 | BTN_THUMB | left-pad touched (but see explanation below)
@@ -1485,8 +1482,8 @@ static void steam_do_input_event(struct steam_device *steam,
input_event(input, EV_KEY, BTN_SELECT, !!(b9 & BIT(4)));
input_event(input, EV_KEY, BTN_MODE, !!(b9 & BIT(5)));
input_event(input, EV_KEY, BTN_START, !!(b9 & BIT(6)));
- input_event(input, EV_KEY, BTN_GEAR_DOWN, !!(b9 & BIT(7)));
- input_event(input, EV_KEY, BTN_GEAR_UP, !!(b10 & BIT(0)));
+ input_event(input, EV_KEY, BTN_GRIPL, !!(b9 & BIT(7)));
+ input_event(input, EV_KEY, BTN_GRIPR, !!(b10 & BIT(0)));
input_event(input, EV_KEY, BTN_THUMBR, !!(b10 & BIT(2)));
input_event(input, EV_KEY, BTN_THUMBL, !!(b10 & BIT(6)));
input_event(input, EV_KEY, BTN_THUMB, lpad_touched || lpad_and_joy);
@@ -1547,8 +1544,8 @@ static void steam_do_input_event(struct steam_device *steam,
* 9.4 | BTN_SELECT | menu left
* 9.5 | BTN_MODE | steam logo
* 9.6 | BTN_START | menu right
- * 9.7 | BTN_TRIGGER_HAPPY3 | left bottom grip button
- * 10.0 | BTN_TRIGGER_HAPPY4 | right bottom grip button
+ * 9.7 | BTN_GRIPL2 | left bottom grip button
+ * 10.0 | BTN_GRIPR2 | right bottom grip button
* 10.1 | BTN_THUMB | left pad pressed
* 10.2 | BTN_THUMB2 | right pad pressed
* 10.3 | -- | left pad touched
@@ -1573,8 +1570,8 @@ static void steam_do_input_event(struct steam_device *steam,
* 12.6 | -- | unknown
* 12.7 | -- | unknown
* 13.0 | -- | unknown
- * 13.1 | BTN_TRIGGER_HAPPY1 | left top grip button
- * 13.2 | BTN_TRIGGER_HAPPY2 | right top grip button
+ * 13.1 | BTN_GRIPL | left top grip button
+ * 13.2 | BTN_GRIPR | right top grip button
* 13.3 | -- | unknown
* 13.4 | -- | unknown
* 13.5 | -- | unknown
@@ -1659,8 +1656,8 @@ static void steam_do_deck_input_event(struct steam_device *steam,
input_event(input, EV_KEY, BTN_SELECT, !!(b9 & BIT(4)));
input_event(input, EV_KEY, BTN_MODE, !!(b9 & BIT(5)));
input_event(input, EV_KEY, BTN_START, !!(b9 & BIT(6)));
- input_event(input, EV_KEY, BTN_TRIGGER_HAPPY3, !!(b9 & BIT(7)));
- input_event(input, EV_KEY, BTN_TRIGGER_HAPPY4, !!(b10 & BIT(0)));
+ input_event(input, EV_KEY, BTN_GRIPL2, !!(b9 & BIT(7)));
+ input_event(input, EV_KEY, BTN_GRIPR2, !!(b10 & BIT(0)));
input_event(input, EV_KEY, BTN_THUMBL, !!(b10 & BIT(6)));
input_event(input, EV_KEY, BTN_THUMBR, !!(b11 & BIT(2)));
input_event(input, EV_KEY, BTN_DPAD_UP, !!(b9 & BIT(0)));
@@ -1669,8 +1666,8 @@ static void steam_do_deck_input_event(struct steam_device *steam,
input_event(input, EV_KEY, BTN_DPAD_DOWN, !!(b9 & BIT(3)));
input_event(input, EV_KEY, BTN_THUMB, !!(b10 & BIT(1)));
input_event(input, EV_KEY, BTN_THUMB2, !!(b10 & BIT(2)));
- input_event(input, EV_KEY, BTN_TRIGGER_HAPPY1, !!(b13 & BIT(1)));
- input_event(input, EV_KEY, BTN_TRIGGER_HAPPY2, !!(b13 & BIT(2)));
+ input_event(input, EV_KEY, BTN_GRIPL, !!(b13 & BIT(1)));
+ input_event(input, EV_KEY, BTN_GRIPR, !!(b13 & BIT(2)));
input_event(input, EV_KEY, BTN_BASE, !!(b14 & BIT(2)));
input_sync(input);
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index c8d115b58e44..070d014fdc5d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -992,7 +992,6 @@ config I2C_APPLE
tristate "Apple SMBus platform driver"
depends on !I2C_PASEMI
depends on ARCH_APPLE || COMPILE_TEST
- default ARCH_APPLE
help
Say Y here if you want to use the I2C controller present on Apple
Silicon chips such as the M1.
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 13889f52b6f7..ff2289b52c84 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -155,9 +155,9 @@ static const struct geni_i2c_clk_fld geni_i2c_clk_map_19p2mhz[] = {
/* source_clock = 32 MHz */
static const struct geni_i2c_clk_fld geni_i2c_clk_map_32mhz[] = {
- { I2C_MAX_STANDARD_MODE_FREQ, 8, 14, 18, 40 },
- { I2C_MAX_FAST_MODE_FREQ, 4, 3, 11, 20 },
- { I2C_MAX_FAST_MODE_PLUS_FREQ, 2, 3, 6, 15 },
+ { I2C_MAX_STANDARD_MODE_FREQ, 8, 14, 18, 38 },
+ { I2C_MAX_FAST_MODE_FREQ, 4, 3, 9, 19 },
+ { I2C_MAX_FAST_MODE_PLUS_FREQ, 2, 3, 5, 15 },
{}
};
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index c8b4b404f6c1..e6815f6cae78 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -742,11 +742,14 @@ static void stm32f7_i2c_dma_callback(void *arg)
{
struct stm32f7_i2c_dev *i2c_dev = arg;
struct stm32_i2c_dma *dma = i2c_dev->dma;
+ struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg;
stm32f7_i2c_disable_dma_req(i2c_dev);
dmaengine_terminate_async(dma->chan_using);
dma_unmap_single(i2c_dev->dev, dma->dma_buf, dma->dma_len,
dma->dma_data_dir);
+ if (!f7_msg->smbus)
+ i2c_put_dma_safe_msg_buf(f7_msg->buf, i2c_dev->msg, true);
complete(&dma->dma_complete);
}
@@ -882,6 +885,7 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev,
{
struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg;
void __iomem *base = i2c_dev->base;
+ u8 *dma_buf;
u32 cr1, cr2;
int ret;
@@ -931,17 +935,23 @@ static void stm32f7_i2c_xfer_msg(struct stm32f7_i2c_dev *i2c_dev,
/* Configure DMA or enable RX/TX interrupt */
i2c_dev->use_dma = false;
- if (i2c_dev->dma && f7_msg->count >= STM32F7_I2C_DMA_LEN_MIN
- && !i2c_dev->atomic) {
- ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma,
- msg->flags & I2C_M_RD,
- f7_msg->count, f7_msg->buf,
- stm32f7_i2c_dma_callback,
- i2c_dev);
- if (!ret)
- i2c_dev->use_dma = true;
- else
- dev_warn(i2c_dev->dev, "can't use DMA\n");
+ if (i2c_dev->dma && !i2c_dev->atomic) {
+ dma_buf = i2c_get_dma_safe_msg_buf(msg, STM32F7_I2C_DMA_LEN_MIN);
+ if (dma_buf) {
+ f7_msg->buf = dma_buf;
+ ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma,
+ msg->flags & I2C_M_RD,
+ f7_msg->count, f7_msg->buf,
+ stm32f7_i2c_dma_callback,
+ i2c_dev);
+ if (ret) {
+ dev_warn(i2c_dev->dev, "can't use DMA\n");
+ i2c_put_dma_safe_msg_buf(f7_msg->buf, msg, false);
+ f7_msg->buf = msg->buf;
+ } else {
+ i2c_dev->use_dma = true;
+ }
+ }
}
if (!i2c_dev->use_dma) {
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 4f05afab161f..4eb31b913c1a 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -134,6 +134,8 @@
#define I2C_MST_FIFO_STATUS_TX GENMASK(23, 16)
#define I2C_MST_FIFO_STATUS_RX GENMASK(7, 0)
+#define I2C_MASTER_RESET_CNTRL 0x0a8
+
/* configuration load timeout in microseconds */
#define I2C_CONFIG_LOAD_TIMEOUT 1000000
@@ -184,6 +186,9 @@ enum msg_end_type {
* @has_mst_fifo: The I2C controller contains the new MST FIFO interface that
* provides additional features and allows for longer messages to
* be transferred in one go.
+ * @has_mst_reset: The I2C controller contains MASTER_RESET_CTRL register which
+ * provides an alternative to controller reset when configured as
+ * I2C master
* @quirks: I2C adapter quirks for limiting write/read transfer size and not
* allowing 0 length transfers.
* @supports_bus_clear: Bus Clear support to recover from bus hang during
@@ -213,6 +218,7 @@ struct tegra_i2c_hw_feature {
bool has_multi_master_mode;
bool has_slcg_override_reg;
bool has_mst_fifo;
+ bool has_mst_reset;
const struct i2c_adapter_quirks *quirks;
bool supports_bus_clear;
bool has_apb_dma;
@@ -605,6 +611,26 @@ static int tegra_i2c_wait_for_config_load(struct tegra_i2c_dev *i2c_dev)
return 0;
}
+static int tegra_i2c_master_reset(struct tegra_i2c_dev *i2c_dev)
+{
+ if (!i2c_dev->hw->has_mst_reset)
+ return -EOPNOTSUPP;
+
+ /*
+ * Writing 1 to I2C_MASTER_RESET_CNTRL will reset all internal state of
+ * Master logic including FIFOs. Clear this bit to 0 for normal operation.
+ * SW needs to wait for 2us after assertion and de-assertion of this soft
+ * reset.
+ */
+ i2c_writel(i2c_dev, 0x1, I2C_MASTER_RESET_CNTRL);
+ fsleep(2);
+
+ i2c_writel(i2c_dev, 0x0, I2C_MASTER_RESET_CNTRL);
+ fsleep(2);
+
+ return 0;
+}
+
static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
{
u32 val, clk_divisor, clk_multiplier, tsu_thd, tlow, thigh, non_hs_mode;
@@ -612,6 +638,16 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
int err;
/*
+ * Reset the controller before initializing it.
+ * In case if device_reset() returns -ENOENT, i.e. when the reset is
+ * not available, the internal software reset will be used if it is
+ * supported by the controller.
+ */
+ err = device_reset(i2c_dev->dev);
+ if (err == -ENOENT)
+ err = tegra_i2c_master_reset(i2c_dev);
+
+ /*
* The reset shouldn't ever fail in practice. The failure will be a
* sign of a severe problem that needs to be resolved. Still we don't
* want to fail the initialization completely because this may break
@@ -619,7 +655,6 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
* emit a noisy warning on error, which won't stay unnoticed and
* won't hose machine entirely.
*/
- err = device_reset(i2c_dev->dev);
WARN_ON_ONCE(err);
if (IS_DVC(i2c_dev))
@@ -1266,17 +1301,9 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
if (i2c_dev->dma_mode) {
if (i2c_dev->msg_read) {
- dma_sync_single_for_device(i2c_dev->dma_dev,
- i2c_dev->dma_phys,
- xfer_size, DMA_FROM_DEVICE);
-
err = tegra_i2c_dma_submit(i2c_dev, xfer_size);
if (err)
return err;
- } else {
- dma_sync_single_for_cpu(i2c_dev->dma_dev,
- i2c_dev->dma_phys,
- xfer_size, DMA_TO_DEVICE);
}
}
@@ -1286,11 +1313,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
if (i2c_dev->dma_mode) {
memcpy(i2c_dev->dma_buf + I2C_PACKET_HEADER_SIZE,
msg->buf, i2c_dev->msg_len);
-
- dma_sync_single_for_device(i2c_dev->dma_dev,
- i2c_dev->dma_phys,
- xfer_size, DMA_TO_DEVICE);
-
err = tegra_i2c_dma_submit(i2c_dev, xfer_size);
if (err)
return err;
@@ -1331,13 +1353,8 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
return -ETIMEDOUT;
}
- if (i2c_dev->msg_read && i2c_dev->msg_err == I2C_ERR_NONE) {
- dma_sync_single_for_cpu(i2c_dev->dma_dev,
- i2c_dev->dma_phys,
- xfer_size, DMA_FROM_DEVICE);
-
+ if (i2c_dev->msg_read && i2c_dev->msg_err == I2C_ERR_NONE)
memcpy(i2c_dev->msg_buf, i2c_dev->dma_buf, i2c_dev->msg_len);
- }
}
time_left = tegra_i2c_wait_completion(i2c_dev, &i2c_dev->msg_complete,
@@ -1468,6 +1485,7 @@ static const struct tegra_i2c_hw_feature tegra20_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = false,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = false,
.has_apb_dma = true,
@@ -1492,6 +1510,7 @@ static const struct tegra_i2c_hw_feature tegra30_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = false,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = false,
.has_apb_dma = true,
@@ -1516,6 +1535,7 @@ static const struct tegra_i2c_hw_feature tegra114_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = false,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = true,
@@ -1540,6 +1560,7 @@ static const struct tegra_i2c_hw_feature tegra124_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = true,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = true,
@@ -1564,6 +1585,7 @@ static const struct tegra_i2c_hw_feature tegra210_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = true,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = true,
@@ -1588,6 +1610,7 @@ static const struct tegra_i2c_hw_feature tegra186_i2c_hw = {
.has_multi_master_mode = false,
.has_slcg_override_reg = true,
.has_mst_fifo = false,
+ .has_mst_reset = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = false,
@@ -1612,6 +1635,7 @@ static const struct tegra_i2c_hw_feature tegra194_i2c_hw = {
.has_multi_master_mode = true,
.has_slcg_override_reg = true,
.has_mst_fifo = true,
+ .has_mst_reset = true,
.quirks = &tegra194_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = false,
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 3445cc3b476b..ed90858a27b7 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -370,6 +370,7 @@ static const struct acpi_device_id i2c_acpi_force_100khz_device_ids[] = {
* the device works without issues on Windows at what is expected to be
* a 400KHz frequency. The root cause of the issue is not known.
*/
+ { "DLL0945", 0 },
{ "ELAN06FA", 0 },
{}
};
diff --git a/drivers/i2c/muxes/i2c-mux-mule.c b/drivers/i2c/muxes/i2c-mux-mule.c
index 284ff4afeeac..d3b32b794172 100644
--- a/drivers/i2c/muxes/i2c-mux-mule.c
+++ b/drivers/i2c/muxes/i2c-mux-mule.c
@@ -47,7 +47,6 @@ static int mule_i2c_mux_probe(struct platform_device *pdev)
struct mule_i2c_reg_mux *priv;
struct i2c_client *client;
struct i2c_mux_core *muxc;
- struct device_node *dev;
unsigned int readback;
int ndev, ret;
bool old_fw;
@@ -95,7 +94,7 @@ static int mule_i2c_mux_probe(struct platform_device *pdev)
"Failed to register mux remove\n");
/* Create device adapters */
- for_each_child_of_node(mux_dev->of_node, dev) {
+ for_each_child_of_node_scoped(mux_dev->of_node, dev) {
u32 reg;
ret = of_property_read_u32(dev, "reg", &reg);
diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index e80e48756914..2396545763ff 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -26,11 +26,12 @@
*
* This function can sleep and thus cannot be called in atomic context.
*
- * Return: 0 in case of success, a negative error core otherwise.
- * -EAGAIN: controller lost address arbitration. Target
- * (IBI, HJ or controller role request) win the bus. Client
- * driver needs to resend the 'xfers' some time later.
- * See I3C spec ver 1.1.1 09-Jun-2021. Section: 5.1.2.2.3.
+ * Return:
+ * * 0 in case of success, a negative error core otherwise.
+ * * -EAGAIN: controller lost address arbitration. Target (IBI, HJ or
+ * controller role request) win the bus. Client driver needs to resend the
+ * 'xfers' some time later. See I3C spec ver 1.1.1 09-Jun-2021. Section:
+ * 5.1.2.2.3.
*/
int i3c_device_do_priv_xfers(struct i3c_device *dev,
struct i3c_priv_xfer *xfers,
diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index 433f6088b7ce..0d857cc68cc5 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -9,6 +9,7 @@
#define I3C_INTERNALS_H
#include <linux/i3c/master.h>
+#include <linux/io.h>
void i3c_bus_normaluse_lock(struct i3c_bus *bus);
void i3c_bus_normaluse_unlock(struct i3c_bus *bus);
@@ -22,4 +23,41 @@ int i3c_dev_enable_ibi_locked(struct i3c_dev_desc *dev);
int i3c_dev_request_ibi_locked(struct i3c_dev_desc *dev,
const struct i3c_ibi_setup *req);
void i3c_dev_free_ibi_locked(struct i3c_dev_desc *dev);
+
+/**
+ * i3c_writel_fifo - Write data buffer to 32bit FIFO
+ * @addr: FIFO Address to write to
+ * @buf: Pointer to the data bytes to write
+ * @nbytes: Number of bytes to write
+ */
+static inline void i3c_writel_fifo(void __iomem *addr, const void *buf,
+ int nbytes)
+{
+ writesl(addr, buf, nbytes / 4);
+ if (nbytes & 3) {
+ u32 tmp = 0;
+
+ memcpy(&tmp, buf + (nbytes & ~3), nbytes & 3);
+ writel(tmp, addr);
+ }
+}
+
+/**
+ * i3c_readl_fifo - Read data buffer from 32bit FIFO
+ * @addr: FIFO Address to read from
+ * @buf: Pointer to the buffer to store read bytes
+ * @nbytes: Number of bytes to read
+ */
+static inline void i3c_readl_fifo(const void __iomem *addr, void *buf,
+ int nbytes)
+{
+ readsl(addr, buf, nbytes / 4);
+ if (nbytes & 3) {
+ u32 tmp;
+
+ tmp = readl(addr);
+ memcpy(buf + (nbytes & ~3), &tmp, nbytes & 3);
+ }
+}
+
#endif /* I3C_INTERNAL_H */
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index fd81871609d9..2ef898a8fd80 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -141,7 +141,7 @@ static ssize_t bcr_show(struct device *dev,
i3c_bus_normaluse_lock(bus);
desc = dev_to_i3cdesc(dev);
- ret = sprintf(buf, "%x\n", desc->info.bcr);
+ ret = sprintf(buf, "0x%02x\n", desc->info.bcr);
i3c_bus_normaluse_unlock(bus);
return ret;
@@ -158,7 +158,7 @@ static ssize_t dcr_show(struct device *dev,
i3c_bus_normaluse_lock(bus);
desc = dev_to_i3cdesc(dev);
- ret = sprintf(buf, "%x\n", desc->info.dcr);
+ ret = sprintf(buf, "0x%02x\n", desc->info.dcr);
i3c_bus_normaluse_unlock(bus);
return ret;
@@ -727,12 +727,12 @@ static int i3c_bus_set_mode(struct i3c_bus *i3cbus, enum i3c_bus_mode mode,
switch (i3cbus->mode) {
case I3C_BUS_MODE_PURE:
if (!i3cbus->scl_rate.i3c)
- i3cbus->scl_rate.i3c = I3C_BUS_TYP_I3C_SCL_RATE;
+ i3cbus->scl_rate.i3c = I3C_BUS_I3C_SCL_TYP_RATE;
break;
case I3C_BUS_MODE_MIXED_FAST:
case I3C_BUS_MODE_MIXED_LIMITED:
if (!i3cbus->scl_rate.i3c)
- i3cbus->scl_rate.i3c = I3C_BUS_TYP_I3C_SCL_RATE;
+ i3cbus->scl_rate.i3c = I3C_BUS_I3C_SCL_TYP_RATE;
if (!i3cbus->scl_rate.i2c)
i3cbus->scl_rate.i2c = max_i2c_scl_rate;
break;
@@ -754,8 +754,8 @@ static int i3c_bus_set_mode(struct i3c_bus *i3cbus, enum i3c_bus_mode mode,
* I3C/I2C frequency may have been overridden, check that user-provided
* values are not exceeding max possible frequency.
*/
- if (i3cbus->scl_rate.i3c > I3C_BUS_MAX_I3C_SCL_RATE ||
- i3cbus->scl_rate.i2c > I3C_BUS_I2C_FM_PLUS_SCL_RATE)
+ if (i3cbus->scl_rate.i3c > I3C_BUS_I3C_SCL_MAX_RATE ||
+ i3cbus->scl_rate.i2c > I3C_BUS_I2C_FM_PLUS_SCL_MAX_RATE)
return -EINVAL;
return 0;
@@ -837,14 +837,14 @@ static int i3c_master_send_ccc_cmd_locked(struct i3c_master_controller *master,
return -EINVAL;
if (!master->ops->send_ccc_cmd)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
if ((cmd->id & I3C_CCC_DIRECT) && (!cmd->dests || !cmd->ndests))
return -EINVAL;
if (master->ops->supports_ccc_cmd &&
!master->ops->supports_ccc_cmd(master, cmd))
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
ret = master->ops->send_ccc_cmd(master, cmd);
if (ret) {
@@ -1439,7 +1439,7 @@ static int i3c_master_retrieve_dev_info(struct i3c_dev_desc *dev)
if (dev->info.bcr & I3C_BCR_HDR_CAP) {
ret = i3c_master_gethdrcap_locked(master, &dev->info);
- if (ret)
+ if (ret && ret != -EOPNOTSUPP)
return ret;
}
@@ -2210,7 +2210,7 @@ of_i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master,
*/
if (boardinfo->base.flags & I2C_CLIENT_TEN) {
dev_err(dev, "I2C device with 10 bit address not supported.");
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
}
/* LVR is encoded in reg[2]. */
@@ -2340,13 +2340,13 @@ static int i3c_master_i2c_adapter_xfer(struct i2c_adapter *adap,
return -EINVAL;
if (!master->ops->i2c_xfers)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
/* Doing transfers to different devices is not supported. */
addr = xfers[0].addr;
for (i = 1; i < nxfers; i++) {
if (addr != xfers[i].addr)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
}
i3c_bus_normaluse_lock(&master->bus);
@@ -2467,6 +2467,8 @@ static int i3c_i2c_notifier_call(struct notifier_block *nb, unsigned long action
case BUS_NOTIFY_DEL_DEVICE:
ret = i3c_master_i2c_detach(adap, client);
break;
+ default:
+ ret = -EINVAL;
}
i3c_bus_maintenance_unlock(&master->bus);
@@ -2766,7 +2768,7 @@ static int i3c_master_check_ops(const struct i3c_master_controller_ops *ops)
* controller)
* @ops: the master controller operations
* @secondary: true if you are registering a secondary master. Will return
- * -ENOTSUPP if set to true since secondary masters are not yet
+ * -EOPNOTSUPP if set to true since secondary masters are not yet
* supported
*
* This function takes care of everything for you:
@@ -2785,7 +2787,7 @@ int i3c_master_register(struct i3c_master_controller *master,
const struct i3c_master_controller_ops *ops,
bool secondary)
{
- unsigned long i2c_scl_rate = I3C_BUS_I2C_FM_PLUS_SCL_RATE;
+ unsigned long i2c_scl_rate = I3C_BUS_I2C_FM_PLUS_SCL_MAX_RATE;
struct i3c_bus *i3cbus = i3c_master_get_bus(master);
enum i3c_bus_mode mode = I3C_BUS_MODE_PURE;
struct i2c_dev_boardinfo *i2cbi;
@@ -2793,7 +2795,7 @@ int i3c_master_register(struct i3c_master_controller *master,
/* We do not support secondary masters yet. */
if (secondary)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
ret = i3c_master_check_ops(ops);
if (ret)
@@ -2844,7 +2846,7 @@ int i3c_master_register(struct i3c_master_controller *master,
}
if (i2cbi->lvr & I3C_LVR_I2C_FM_MODE)
- i2c_scl_rate = I3C_BUS_I2C_FM_SCL_RATE;
+ i2c_scl_rate = I3C_BUS_I2C_FM_SCL_MAX_RATE;
}
ret = i3c_bus_set_mode(i3cbus, mode, i2c_scl_rate);
@@ -2954,7 +2956,7 @@ int i3c_dev_do_priv_xfers_locked(struct i3c_dev_desc *dev,
return -EINVAL;
if (!master->ops->priv_xfers)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
return master->ops->priv_xfers(dev, xfers, nxfers);
}
@@ -3004,7 +3006,7 @@ int i3c_dev_request_ibi_locked(struct i3c_dev_desc *dev,
int ret;
if (!master->ops->request_ibi)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
if (dev->ibi)
return -EBUSY;
diff --git a/drivers/i3c/master/Kconfig b/drivers/i3c/master/Kconfig
index 7b30db3253af..13df2944f2ec 100644
--- a/drivers/i3c/master/Kconfig
+++ b/drivers/i3c/master/Kconfig
@@ -64,3 +64,13 @@ config MIPI_I3C_HCI_PCI
This driver can also be built as a module. If so, the module will be
called mipi-i3c-hci-pci.
+
+config RENESAS_I3C
+ tristate "Renesas I3C controller driver"
+ depends on HAS_IOMEM
+ depends on ARCH_RENESAS || COMPILE_TEST
+ help
+ Support the Renesas I3C controller as found in some RZ variants.
+
+ This driver can also be built as a module. If so, the module will be
+ called renesas-i3c.
diff --git a/drivers/i3c/master/Makefile b/drivers/i3c/master/Makefile
index 3e97960160bc..aac74f3e3851 100644
--- a/drivers/i3c/master/Makefile
+++ b/drivers/i3c/master/Makefile
@@ -4,3 +4,4 @@ obj-$(CONFIG_DW_I3C_MASTER) += dw-i3c-master.o
obj-$(CONFIG_AST2600_I3C_MASTER) += ast2600-i3c-master.o
obj-$(CONFIG_SVC_I3C_MASTER) += svc-i3c-master.o
obj-$(CONFIG_MIPI_I3C_HCI) += mipi-i3c-hci/
+obj-$(CONFIG_RENESAS_I3C) += renesas-i3c.o
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 611c22b72c15..974122b2d20e 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -23,6 +23,7 @@
#include <linux/reset.h>
#include <linux/slab.h>
+#include "../internals.h"
#include "dw-i3c-master.h"
#define DEVICE_CTRL 0x0
@@ -336,37 +337,19 @@ static int dw_i3c_master_get_free_pos(struct dw_i3c_master *master)
static void dw_i3c_master_wr_tx_fifo(struct dw_i3c_master *master,
const u8 *bytes, int nbytes)
{
- writesl(master->regs + RX_TX_DATA_PORT, bytes, nbytes / 4);
- if (nbytes & 3) {
- u32 tmp = 0;
-
- memcpy(&tmp, bytes + (nbytes & ~3), nbytes & 3);
- writesl(master->regs + RX_TX_DATA_PORT, &tmp, 1);
- }
-}
-
-static void dw_i3c_master_read_fifo(struct dw_i3c_master *master,
- int reg, u8 *bytes, int nbytes)
-{
- readsl(master->regs + reg, bytes, nbytes / 4);
- if (nbytes & 3) {
- u32 tmp;
-
- readsl(master->regs + reg, &tmp, 1);
- memcpy(bytes + (nbytes & ~3), &tmp, nbytes & 3);
- }
+ i3c_writel_fifo(master->regs + RX_TX_DATA_PORT, bytes, nbytes);
}
static void dw_i3c_master_read_rx_fifo(struct dw_i3c_master *master,
u8 *bytes, int nbytes)
{
- return dw_i3c_master_read_fifo(master, RX_TX_DATA_PORT, bytes, nbytes);
+ i3c_readl_fifo(master->regs + RX_TX_DATA_PORT, bytes, nbytes);
}
static void dw_i3c_master_read_ibi_fifo(struct dw_i3c_master *master,
u8 *bytes, int nbytes)
{
- return dw_i3c_master_read_fifo(master, IBI_QUEUE_STATUS, bytes, nbytes);
+ i3c_readl_fifo(master->regs + IBI_QUEUE_STATUS, bytes, nbytes);
}
static struct dw_i3c_xfer *
@@ -622,14 +605,14 @@ static int dw_i2c_clk_cfg(struct dw_i3c_master *master)
core_period = DIV_ROUND_UP(1000000000, core_rate);
lcnt = DIV_ROUND_UP(I3C_BUS_I2C_FMP_TLOW_MIN_NS, core_period);
- hcnt = DIV_ROUND_UP(core_rate, I3C_BUS_I2C_FM_PLUS_SCL_RATE) - lcnt;
+ hcnt = DIV_ROUND_UP(core_rate, I3C_BUS_I2C_FM_PLUS_SCL_MAX_RATE) - lcnt;
scl_timing = SCL_I2C_FMP_TIMING_HCNT(hcnt) |
SCL_I2C_FMP_TIMING_LCNT(lcnt);
writel(scl_timing, master->regs + SCL_I2C_FMP_TIMING);
master->i2c_fmp_timing = scl_timing;
lcnt = DIV_ROUND_UP(I3C_BUS_I2C_FM_TLOW_MIN_NS, core_period);
- hcnt = DIV_ROUND_UP(core_rate, I3C_BUS_I2C_FM_SCL_RATE) - lcnt;
+ hcnt = DIV_ROUND_UP(core_rate, I3C_BUS_I2C_FM_SCL_MAX_RATE) - lcnt;
scl_timing = SCL_I2C_FM_TIMING_HCNT(hcnt) |
SCL_I2C_FM_TIMING_LCNT(lcnt);
writel(scl_timing, master->regs + SCL_I2C_FM_TIMING);
@@ -699,7 +682,6 @@ static int dw_i3c_master_bus_init(struct i3c_master_controller *m)
dw_i3c_master_enable(master);
rpm_out:
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
}
@@ -829,7 +811,6 @@ static int dw_i3c_master_send_ccc_cmd(struct i3c_master_controller *m,
else
ret = dw_i3c_ccc_set(master, ccc);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
}
@@ -912,7 +893,6 @@ static int dw_i3c_master_daa(struct i3c_master_controller *m)
dw_i3c_master_free_xfer(xfer);
rpm_out:
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
}
@@ -932,7 +912,7 @@ static int dw_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
return 0;
if (i3c_nxfers > master->caps.cmdfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
for (i = 0; i < i3c_nxfers; i++) {
if (i3c_xfers[i].rnw)
@@ -943,7 +923,7 @@ static int dw_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
if (ntxwords > master->caps.datafifodepth ||
nrxwords > master->caps.datafifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
xfer = dw_i3c_master_alloc_xfer(master, i3c_nxfers);
if (!xfer)
@@ -998,7 +978,6 @@ static int dw_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
ret = xfer->ret;
dw_i3c_master_free_xfer(xfer);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
}
@@ -1093,7 +1072,7 @@ static int dw_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
return 0;
if (i2c_nxfers > master->caps.cmdfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
for (i = 0; i < i2c_nxfers; i++) {
if (i2c_xfers[i].flags & I2C_M_RD)
@@ -1104,7 +1083,7 @@ static int dw_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
if (ntxwords > master->caps.datafifodepth ||
nrxwords > master->caps.datafifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
xfer = dw_i3c_master_alloc_xfer(master, i2c_nxfers);
if (!xfer)
@@ -1142,13 +1121,12 @@ static int dw_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
}
dw_i3c_master_enqueue_xfer(master, xfer);
- if (!wait_for_completion_timeout(&xfer->comp, XFER_TIMEOUT))
+ if (!wait_for_completion_timeout(&xfer->comp, m->i2c.timeout))
dw_i3c_master_dequeue_xfer(master, xfer);
ret = xfer->ret;
dw_i3c_master_free_xfer(xfer);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
}
@@ -1316,7 +1294,6 @@ static int dw_i3c_master_disable_hotjoin(struct i3c_master_controller *m)
writel(readl(master->regs + DEVICE_CTRL) | DEV_CTRL_HOT_JOIN_NACK,
master->regs + DEVICE_CTRL);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return 0;
}
@@ -1342,7 +1319,6 @@ static int dw_i3c_master_enable_ibi(struct i3c_dev_desc *dev)
if (rc) {
dw_i3c_master_set_sir_enabled(master, dev, data->index, false);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
}
@@ -1362,7 +1338,6 @@ static int dw_i3c_master_disable_ibi(struct i3c_dev_desc *dev)
dw_i3c_master_set_sir_enabled(master, dev, data->index, false);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return 0;
}
diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index fd3752cea654..97b151564d3d 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -23,6 +23,8 @@
#include <linux/spinlock.h>
#include <linux/workqueue.h>
+#include "../internals.h"
+
#define DEV_ID 0x0
#define DEV_ID_I3C_MASTER 0x5034
@@ -412,7 +414,6 @@ struct cdns_i3c_master {
} xferqueue;
void __iomem *regs;
struct clk *sysclk;
- struct clk *pclk;
struct cdns_i3c_master_caps caps;
unsigned long i3c_scl_lim;
const struct cdns_i3c_data *devdata;
@@ -427,25 +428,13 @@ to_cdns_i3c_master(struct i3c_master_controller *master)
static void cdns_i3c_master_wr_to_tx_fifo(struct cdns_i3c_master *master,
const u8 *bytes, int nbytes)
{
- writesl(master->regs + TX_FIFO, bytes, nbytes / 4);
- if (nbytes & 3) {
- u32 tmp = 0;
-
- memcpy(&tmp, bytes + (nbytes & ~3), nbytes & 3);
- writesl(master->regs + TX_FIFO, &tmp, 1);
- }
+ i3c_writel_fifo(master->regs + TX_FIFO, bytes, nbytes);
}
static void cdns_i3c_master_rd_from_rx_fifo(struct cdns_i3c_master *master,
u8 *bytes, int nbytes)
{
- readsl(master->regs + RX_FIFO, bytes, nbytes / 4);
- if (nbytes & 3) {
- u32 tmp;
-
- readsl(master->regs + RX_FIFO, &tmp, 1);
- memcpy(bytes + (nbytes & ~3), &tmp, nbytes & 3);
- }
+ i3c_readl_fifo(master->regs + RX_FIFO, bytes, nbytes);
}
static bool cdns_i3c_master_supports_ccc_cmd(struct i3c_master_controller *m,
@@ -742,7 +731,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
for (i = 0; i < nxfers; i++) {
if (xfers[i].len > CMD0_FIFO_PL_LEN_MAX)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
}
if (!nxfers)
@@ -750,7 +739,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
if (nxfers > master->caps.cmdfifodepth ||
nxfers > master->caps.cmdrfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
/*
* First make sure that all transactions (block of transfers separated
@@ -765,7 +754,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
if (rxslots > master->caps.rxfifodepth ||
txslots > master->caps.txfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
cdns_xfer = cdns_i3c_master_alloc_xfer(master, nxfers);
if (!cdns_xfer)
@@ -822,11 +811,11 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
int i, ret = 0;
if (nxfers > master->caps.cmdfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
for (i = 0; i < nxfers; i++) {
if (xfers[i].len > CMD0_FIFO_PL_LEN_MAX)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
if (xfers[i].flags & I2C_M_RD)
nrxwords += DIV_ROUND_UP(xfers[i].len, 4);
@@ -836,7 +825,7 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
if (ntxwords > master->caps.txfifodepth ||
nrxwords > master->caps.rxfifodepth)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
xfer = cdns_i3c_master_alloc_xfer(master, nxfers);
if (!xfer)
@@ -863,7 +852,7 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
}
cdns_i3c_master_queue_xfer(master, xfer);
- if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+ if (!wait_for_completion_timeout(&xfer->comp, m->i2c.timeout))
cdns_i3c_master_unqueue_xfer(master, xfer);
ret = xfer->ret;
@@ -1330,12 +1319,7 @@ static void cdns_i3c_master_handle_ibi(struct cdns_i3c_master *master,
buf = slot->data;
nbytes = IBIR_XFER_BYTES(ibir);
- readsl(master->regs + IBI_DATA_FIFO, buf, nbytes / 4);
- if (nbytes % 3) {
- u32 tmp = __raw_readl(master->regs + IBI_DATA_FIFO);
-
- memcpy(buf + (nbytes & ~3), &tmp, nbytes & 3);
- }
+ i3c_readl_fifo(master->regs + IBI_DATA_FIFO, buf, nbytes);
slot->len = min_t(unsigned int, IBIR_XFER_BYTES(ibir),
dev->ibi->max_payload_len);
@@ -1566,6 +1550,7 @@ MODULE_DEVICE_TABLE(of, cdns_i3c_master_of_ids);
static int cdns_i3c_master_probe(struct platform_device *pdev)
{
struct cdns_i3c_master *master;
+ struct clk *pclk;
int ret, irq;
u32 val;
@@ -1581,11 +1566,11 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
if (IS_ERR(master->regs))
return PTR_ERR(master->regs);
- master->pclk = devm_clk_get(&pdev->dev, "pclk");
- if (IS_ERR(master->pclk))
- return PTR_ERR(master->pclk);
+ pclk = devm_clk_get_enabled(&pdev->dev, "pclk");
+ if (IS_ERR(pclk))
+ return PTR_ERR(pclk);
- master->sysclk = devm_clk_get(&pdev->dev, "sysclk");
+ master->sysclk = devm_clk_get_enabled(&pdev->dev, "sysclk");
if (IS_ERR(master->sysclk))
return PTR_ERR(master->sysclk);
@@ -1593,18 +1578,8 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
- ret = clk_prepare_enable(master->pclk);
- if (ret)
- return ret;
-
- ret = clk_prepare_enable(master->sysclk);
- if (ret)
- goto err_disable_pclk;
-
- if (readl(master->regs + DEV_ID) != DEV_ID_I3C_MASTER) {
- ret = -EINVAL;
- goto err_disable_sysclk;
- }
+ if (readl(master->regs + DEV_ID) != DEV_ID_I3C_MASTER)
+ return -EINVAL;
spin_lock_init(&master->xferqueue.lock);
INIT_LIST_HEAD(&master->xferqueue.list);
@@ -1615,7 +1590,7 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev, irq, cdns_i3c_master_interrupt, 0,
dev_name(&pdev->dev), master);
if (ret)
- goto err_disable_sysclk;
+ return ret;
platform_set_drvdata(pdev, master);
@@ -1637,29 +1612,15 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
master->ibi.slots = devm_kcalloc(&pdev->dev, master->ibi.num_slots,
sizeof(*master->ibi.slots),
GFP_KERNEL);
- if (!master->ibi.slots) {
- ret = -ENOMEM;
- goto err_disable_sysclk;
- }
+ if (!master->ibi.slots)
+ return -ENOMEM;
writel(IBIR_THR(1), master->regs + CMD_IBI_THR_CTRL);
writel(MST_INT_IBIR_THR, master->regs + MST_IER);
writel(DEVS_CTRL_DEV_CLR_ALL, master->regs + DEVS_CTRL);
- ret = i3c_master_register(&master->base, &pdev->dev,
- &cdns_i3c_master_ops, false);
- if (ret)
- goto err_disable_sysclk;
-
- return 0;
-
-err_disable_sysclk:
- clk_disable_unprepare(master->sysclk);
-
-err_disable_pclk:
- clk_disable_unprepare(master->pclk);
-
- return ret;
+ return i3c_master_register(&master->base, &pdev->dev,
+ &cdns_i3c_master_ops, false);
}
static void cdns_i3c_master_remove(struct platform_device *pdev)
@@ -1668,9 +1629,6 @@ static void cdns_i3c_master_remove(struct platform_device *pdev)
cancel_work_sync(&master->hj_work);
i3c_master_unregister(&master->base);
-
- clk_disable_unprepare(master->sysclk);
- clk_disable_unprepare(master->pclk);
}
static struct platform_driver cdns_i3c_master = {
diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c
index bc4538694540..60f1175f1f37 100644
--- a/drivers/i3c/master/mipi-i3c-hci/core.c
+++ b/drivers/i3c/master/mipi-i3c-hci/core.c
@@ -395,7 +395,7 @@ static int i3c_hci_i2c_xfers(struct i2c_dev_desc *dev,
ret = hci->io->queue_xfer(hci, xfer, nxfers);
if (ret)
goto out;
- if (!wait_for_completion_timeout(&done, HZ) &&
+ if (!wait_for_completion_timeout(&done, m->i2c.timeout) &&
hci->io->dequeue_xfer(hci, xfer, nxfers)) {
ret = -ETIME;
goto out;
diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c
new file mode 100644
index 000000000000..174d3dc5d276
--- /dev/null
+++ b/drivers/i3c/master/renesas-i3c.c
@@ -0,0 +1,1404 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas I3C Controller driver
+ * Copyright (C) 2023-25 Renesas Electronics Corp.
+ *
+ * TODO: IBI support, HotJoin support, Target support
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
+#include <linux/i3c/master.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/iopoll.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+#include "../internals.h"
+
+#define PRTS 0x00
+#define PRTS_PRTMD BIT(0)
+
+#define BCTL 0x14
+#define BCTL_INCBA BIT(0)
+#define BCTL_HJACKCTL BIT(8)
+#define BCTL_ABT BIT(29)
+#define BCTL_BUSE BIT(31)
+
+#define MSDVAD 0x18
+#define MSDVAD_MDYAD(x) FIELD_PREP(GENMASK(21, 16), x)
+#define MSDVAD_MDYADV BIT(31)
+
+#define RSTCTL 0x20
+#define RSTCTL_RI3CRST BIT(0)
+#define RSTCTL_INTLRST BIT(16)
+
+#define INST 0x30
+
+#define IBINCTL 0x58
+#define IBINCTL_NRHJCTL BIT(0)
+#define IBINCTL_NRMRCTL BIT(1)
+#define IBINCTL_NRSIRCTL BIT(3)
+
+#define SVCTL 0x64
+
+#define REFCKCTL 0x70
+#define REFCKCTL_IREFCKS(x) FIELD_PREP(GENMASK(2, 0), x)
+
+#define STDBR 0x74
+#define STDBR_SBRLO(cond, x) FIELD_PREP(GENMASK(7, 0), (x) >> (cond))
+#define STDBR_SBRHO(cond, x) FIELD_PREP(GENMASK(15, 8), (x) >> (cond))
+#define STDBR_SBRLP(x) FIELD_PREP(GENMASK(21, 16), x)
+#define STDBR_SBRHP(x) FIELD_PREP(GENMASK(29, 24), x)
+#define STDBR_DSBRPO BIT(31)
+
+#define EXTBR 0x78
+#define EXTBR_EBRLO(x) FIELD_PREP(GENMASK(7, 0), x)
+#define EXTBR_EBRHO(x) FIELD_PREP(GENMASK(15, 8), x)
+#define EXTBR_EBRLP(x) FIELD_PREP(GENMASK(21, 16), x)
+#define EXTBR_EBRHP(x) FIELD_PREP(GENMASK(29, 24), x)
+
+#define BFRECDT 0x7c
+#define BFRECDT_FRECYC(x) FIELD_PREP(GENMASK(8, 0), x)
+
+#define BAVLCDT 0x80
+#define BAVLCDT_AVLCYC(x) FIELD_PREP(GENMASK(8, 0), x)
+
+#define BIDLCDT 0x84
+#define BIDLCDT_IDLCYC(x) FIELD_PREP(GENMASK(17, 0), x)
+
+#define ACKCTL 0xa0
+#define ACKCTL_ACKT BIT(1)
+#define ACKCTL_ACKTWP BIT(2)
+
+#define SCSTRCTL 0xa4
+#define SCSTRCTL_ACKTWE BIT(0)
+#define SCSTRCTL_RWE BIT(1)
+
+#define SCSTLCTL 0xb0
+
+#define CNDCTL 0x140
+#define CNDCTL_STCND BIT(0)
+#define CNDCTL_SRCND BIT(1)
+#define CNDCTL_SPCND BIT(2)
+
+#define NCMDQP 0x150 /* Normal Command Queue */
+#define NCMDQP_CMD_ATTR(x) FIELD_PREP(GENMASK(2, 0), x)
+#define NCMDQP_IMMED_XFER 0x01
+#define NCMDQP_ADDR_ASSGN 0x02
+#define NCMDQP_TID(x) FIELD_PREP(GENMASK(6, 3), x)
+#define NCMDQP_CMD(x) FIELD_PREP(GENMASK(14, 7), x)
+#define NCMDQP_CP BIT(15)
+#define NCMDQP_DEV_INDEX(x) FIELD_PREP(GENMASK(20, 16), x)
+#define NCMDQP_BYTE_CNT(x) FIELD_PREP(GENMASK(25, 23), x)
+#define NCMDQP_DEV_COUNT(x) FIELD_PREP(GENMASK(29, 26), x)
+#define NCMDQP_MODE(x) FIELD_PREP(GENMASK(28, 26), x)
+#define NCMDQP_RNW(x) FIELD_PREP(GENMASK(29, 29), x)
+#define NCMDQP_ROC BIT(30)
+#define NCMDQP_TOC BIT(31)
+#define NCMDQP_DATA_LENGTH(x) FIELD_PREP(GENMASK(31, 16), x)
+
+#define NRSPQP 0x154 /* Normal Respone Queue */
+#define NRSPQP_NO_ERROR 0
+#define NRSPQP_ERROR_CRC 1
+#define NRSPQP_ERROR_PARITY 2
+#define NRSPQP_ERROR_FRAME 3
+#define NRSPQP_ERROR_IBA_NACK 4
+#define NRSPQP_ERROR_ADDRESS_NACK 5
+#define NRSPQP_ERROR_OVER_UNDER_FLOW 6
+#define NRSPQP_ERROR_TRANSF_ABORT 8
+#define NRSPQP_ERROR_I2C_W_NACK_ERR 9
+#define NRSPQP_ERROR_UNSUPPORTED 10
+#define NRSPQP_DATA_LEN(x) FIELD_GET(GENMASK(15, 0), x)
+#define NRSPQP_ERR_STATUS(x) FIELD_GET(GENMASK(31, 28), x)
+
+#define NTDTBP0 0x158 /* Normal Transfer Data Buffer */
+#define NTDTBP0_DEPTH 16
+
+#define NQTHCTL 0x190
+#define NQTHCTL_CMDQTH(x) FIELD_PREP(GENMASK(1, 0), x)
+#define NQTHCTL_IBIDSSZ(x) FIELD_PREP(GENMASK(23, 16), x)
+
+#define NTBTHCTL0 0x194
+
+#define NRQTHCTL 0x1c0
+
+#define BST 0x1d0
+#define BST_STCNDDF BIT(0)
+#define BST_SPCNDDF BIT(1)
+#define BST_NACKDF BIT(4)
+#define BST_TENDF BIT(8)
+
+#define BSTE 0x1d4
+#define BSTE_STCNDDE BIT(0)
+#define BSTE_SPCNDDE BIT(1)
+#define BSTE_NACKDE BIT(4)
+#define BSTE_TENDE BIT(8)
+#define BSTE_ALE BIT(16)
+#define BSTE_TODE BIT(20)
+#define BSTE_WUCNDDE BIT(24)
+#define BSTE_ALL_FLAG (BSTE_STCNDDE | BSTE_SPCNDDE |\
+ BSTE_NACKDE | BSTE_TENDE |\
+ BSTE_ALE | BSTE_TODE | BSTE_WUCNDDE)
+
+#define BIE 0x1d8
+#define BIE_STCNDDIE BIT(0)
+#define BIE_SPCNDDIE BIT(1)
+#define BIE_NACKDIE BIT(4)
+#define BIE_TENDIE BIT(8)
+
+#define NTST 0x1e0
+#define NTST_TDBEF0 BIT(0)
+#define NTST_RDBFF0 BIT(1)
+#define NTST_CMDQEF BIT(3)
+#define NTST_RSPQFF BIT(4)
+#define NTST_TABTF BIT(5)
+#define NTST_TEF BIT(9)
+
+#define NTSTE 0x1e4
+#define NTSTE_TDBEE0 BIT(0)
+#define NTSTE_RDBFE0 BIT(1)
+#define NTSTE_IBIQEFE BIT(2)
+#define NTSTE_CMDQEE BIT(3)
+#define NTSTE_RSPQFE BIT(4)
+#define NTSTE_TABTE BIT(5)
+#define NTSTE_TEE BIT(9)
+#define NTSTE_RSQFE BIT(20)
+#define NTSTE_ALL_FLAG (NTSTE_TDBEE0 | NTSTE_RDBFE0 |\
+ NTSTE_IBIQEFE | NTSTE_CMDQEE |\
+ NTSTE_RSPQFE | NTSTE_TABTE |\
+ NTSTE_TEE | NTSTE_RSQFE)
+
+#define NTIE 0x1e8
+#define NTIE_TDBEIE0 BIT(0)
+#define NTIE_RDBFIE0 BIT(1)
+#define NTIE_IBIQEFIE BIT(2)
+#define NTIE_RSPQFIE BIT(4)
+#define NTIE_RSQFIE BIT(20)
+
+#define BCST 0x210
+#define BCST_BFREF BIT(0)
+
+#define DATBAS(x) (0x224 + 0x8 * (x))
+#define DATBAS_DVSTAD(x) FIELD_PREP(GENMASK(6, 0), x)
+#define DATBAS_DVDYAD(x) FIELD_PREP(GENMASK(23, 16), x)
+
+#define NDBSTLV0 0x398
+#define NDBSTLV0_RDBLV(x) FIELD_GET(GENMASK(15, 8), x)
+
+#define RENESAS_I3C_MAX_DEVS 8
+#define I2C_INIT_MSG -1
+
+enum i3c_internal_state {
+ I3C_INTERNAL_STATE_DISABLED,
+ I3C_INTERNAL_STATE_CONTROLLER_IDLE,
+ I3C_INTERNAL_STATE_CONTROLLER_ENTDAA,
+ I3C_INTERNAL_STATE_CONTROLLER_SETDASA,
+ I3C_INTERNAL_STATE_CONTROLLER_WRITE,
+ I3C_INTERNAL_STATE_CONTROLLER_READ,
+ I3C_INTERNAL_STATE_CONTROLLER_COMMAND_WRITE,
+ I3C_INTERNAL_STATE_CONTROLLER_COMMAND_READ,
+};
+
+enum renesas_i3c_event {
+ I3C_COMMAND_ADDRESS_ASSIGNMENT,
+ I3C_WRITE,
+ I3C_READ,
+ I3C_COMMAND_WRITE,
+ I3C_COMMAND_READ,
+};
+
+struct renesas_i3c_cmd {
+ u32 cmd0;
+ u32 len;
+ const void *tx_buf;
+ u32 tx_count;
+ void *rx_buf;
+ u32 rx_count;
+ u32 err;
+ u8 rnw;
+ /* i2c xfer */
+ int i2c_bytes_left;
+ int i2c_is_last;
+ u8 *i2c_buf;
+ const struct i2c_msg *msg;
+};
+
+struct renesas_i3c_xfer {
+ struct list_head node;
+ struct completion comp;
+ int ret;
+ bool is_i2c_xfer;
+ unsigned int ncmds;
+ struct renesas_i3c_cmd cmds[] __counted_by(ncmds);
+};
+
+struct renesas_i3c_xferqueue {
+ struct list_head list;
+ struct renesas_i3c_xfer *cur;
+ /* Lock for accessing the xfer queue */
+ spinlock_t lock;
+};
+
+struct renesas_i3c {
+ struct i3c_master_controller base;
+ enum i3c_internal_state internal_state;
+ u16 maxdevs;
+ u32 free_pos;
+ u32 i2c_STDBR;
+ u32 i3c_STDBR;
+ u8 addrs[RENESAS_I3C_MAX_DEVS];
+ struct renesas_i3c_xferqueue xferqueue;
+ void __iomem *regs;
+ struct clk *tclk;
+};
+
+struct renesas_i3c_i2c_dev_data {
+ u8 index;
+};
+
+struct renesas_i3c_irq_desc {
+ const char *name;
+ irq_handler_t isr;
+ const char *desc;
+};
+
+struct renesas_i3c_config {
+ unsigned int has_pclkrw:1;
+};
+
+static inline void renesas_i3c_reg_update(void __iomem *reg, u32 mask, u32 val)
+{
+ u32 data = readl(reg);
+
+ data &= ~mask;
+ data |= (val & mask);
+ writel(data, reg);
+}
+
+static inline u32 renesas_readl(void __iomem *base, u32 reg)
+{
+ return readl(base + reg);
+}
+
+static inline void renesas_writel(void __iomem *base, u32 reg, u32 val)
+{
+ writel(val, base + reg);
+}
+
+static void renesas_set_bit(void __iomem *base, u32 reg, u32 val)
+{
+ renesas_i3c_reg_update(base + reg, val, val);
+}
+
+static void renesas_clear_bit(void __iomem *base, u32 reg, u32 val)
+{
+ renesas_i3c_reg_update(base + reg, val, 0);
+}
+
+static inline struct renesas_i3c *to_renesas_i3c(struct i3c_master_controller *m)
+{
+ return container_of(m, struct renesas_i3c, base);
+}
+
+static inline u32 datbas_dvdyad_with_parity(u8 addr)
+{
+ return DATBAS_DVDYAD(addr | (parity8(addr) ? 0 : BIT(7)));
+}
+
+static int renesas_i3c_get_free_pos(struct renesas_i3c *i3c)
+{
+ if (!(i3c->free_pos & GENMASK(i3c->maxdevs - 1, 0)))
+ return -ENOSPC;
+
+ return ffs(i3c->free_pos) - 1;
+}
+
+static int renesas_i3c_get_addr_pos(struct renesas_i3c *i3c, u8 addr)
+{
+ int pos;
+
+ for (pos = 0; pos < i3c->maxdevs; pos++) {
+ if (addr == i3c->addrs[pos])
+ return pos;
+ }
+
+ return -EINVAL;
+}
+
+static struct renesas_i3c_xfer *renesas_i3c_alloc_xfer(struct renesas_i3c *i3c,
+ unsigned int ncmds)
+{
+ struct renesas_i3c_xfer *xfer;
+
+ xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL);
+ if (!xfer)
+ return NULL;
+
+ INIT_LIST_HEAD(&xfer->node);
+ xfer->ncmds = ncmds;
+ xfer->ret = -ETIMEDOUT;
+
+ return xfer;
+}
+
+static void renesas_i3c_start_xfer_locked(struct renesas_i3c *i3c)
+{
+ struct renesas_i3c_xfer *xfer = i3c->xferqueue.cur;
+ struct renesas_i3c_cmd *cmd;
+ u32 cmd1;
+
+ if (!xfer)
+ return;
+
+ cmd = xfer->cmds;
+
+ switch (i3c->internal_state) {
+ case I3C_INTERNAL_STATE_CONTROLLER_ENTDAA:
+ case I3C_INTERNAL_STATE_CONTROLLER_SETDASA:
+ renesas_set_bit(i3c->regs, NTIE, NTIE_RSPQFIE);
+ renesas_writel(i3c->regs, NCMDQP, cmd->cmd0);
+ renesas_writel(i3c->regs, NCMDQP, 0);
+ break;
+ case I3C_INTERNAL_STATE_CONTROLLER_WRITE:
+ case I3C_INTERNAL_STATE_CONTROLLER_COMMAND_WRITE:
+ renesas_set_bit(i3c->regs, NTIE, NTIE_RSPQFIE);
+ if (cmd->len <= 4) {
+ cmd->cmd0 |= NCMDQP_CMD_ATTR(NCMDQP_IMMED_XFER);
+ cmd->cmd0 |= NCMDQP_BYTE_CNT(cmd->len);
+ cmd->tx_count = cmd->len;
+ cmd1 = cmd->len == 0 ? 0 : *(u32 *)cmd->tx_buf;
+ } else {
+ cmd1 = NCMDQP_DATA_LENGTH(cmd->len);
+ }
+ renesas_writel(i3c->regs, NCMDQP, cmd->cmd0);
+ renesas_writel(i3c->regs, NCMDQP, cmd1);
+ break;
+ case I3C_INTERNAL_STATE_CONTROLLER_READ:
+ case I3C_INTERNAL_STATE_CONTROLLER_COMMAND_READ:
+ renesas_set_bit(i3c->regs, NTIE, NTIE_RDBFIE0);
+ cmd1 = NCMDQP_DATA_LENGTH(cmd->len);
+ renesas_writel(i3c->regs, NCMDQP, cmd->cmd0);
+ renesas_writel(i3c->regs, NCMDQP, cmd1);
+ break;
+ default:
+ break;
+ }
+
+ /* Clear the command queue empty flag */
+ renesas_clear_bit(i3c->regs, NTST, NTST_CMDQEF);
+}
+
+static void renesas_i3c_dequeue_xfer_locked(struct renesas_i3c *i3c,
+ struct renesas_i3c_xfer *xfer)
+{
+ if (i3c->xferqueue.cur == xfer)
+ i3c->xferqueue.cur = NULL;
+ else
+ list_del_init(&xfer->node);
+}
+
+static void renesas_i3c_dequeue_xfer(struct renesas_i3c *i3c, struct renesas_i3c_xfer *xfer)
+{
+ scoped_guard(spinlock_irqsave, &i3c->xferqueue.lock)
+ renesas_i3c_dequeue_xfer_locked(i3c, xfer);
+}
+
+static void renesas_i3c_enqueue_xfer(struct renesas_i3c *i3c, struct renesas_i3c_xfer *xfer)
+{
+ reinit_completion(&xfer->comp);
+ scoped_guard(spinlock_irqsave, &i3c->xferqueue.lock) {
+ if (i3c->xferqueue.cur) {
+ list_add_tail(&xfer->node, &i3c->xferqueue.list);
+ } else {
+ i3c->xferqueue.cur = xfer;
+ if (!xfer->is_i2c_xfer)
+ renesas_i3c_start_xfer_locked(i3c);
+ }
+ }
+}
+
+static void renesas_i3c_wait_xfer(struct renesas_i3c *i3c, struct renesas_i3c_xfer *xfer)
+{
+ unsigned long time_left;
+
+ renesas_i3c_enqueue_xfer(i3c, xfer);
+
+ time_left = wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000));
+ if (!time_left)
+ renesas_i3c_dequeue_xfer(i3c, xfer);
+}
+
+static void renesas_i3c_set_prts(struct renesas_i3c *i3c, u32 val)
+{
+ /* Required sequence according to tnrza0140ae */
+ renesas_set_bit(i3c->regs, RSTCTL, RSTCTL_INTLRST);
+ renesas_writel(i3c->regs, PRTS, val);
+ renesas_clear_bit(i3c->regs, RSTCTL, RSTCTL_INTLRST);
+}
+
+static void renesas_i3c_bus_enable(struct i3c_master_controller *m, bool i3c_mode)
+{
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+
+ /* Setup either I3C or I2C protocol */
+ if (i3c_mode) {
+ renesas_i3c_set_prts(i3c, 0);
+ /* Revisit: INCBA handling, especially after I2C transfers */
+ renesas_set_bit(i3c->regs, BCTL, BCTL_HJACKCTL | BCTL_INCBA);
+ renesas_set_bit(i3c->regs, MSDVAD, MSDVAD_MDYADV);
+ renesas_writel(i3c->regs, STDBR, i3c->i3c_STDBR);
+ } else {
+ renesas_i3c_set_prts(i3c, PRTS_PRTMD);
+ renesas_writel(i3c->regs, STDBR, i3c->i2c_STDBR);
+ }
+
+ /* Enable I3C bus */
+ renesas_set_bit(i3c->regs, BCTL, BCTL_BUSE);
+}
+
+static int renesas_i3c_reset(struct renesas_i3c *i3c)
+{
+ u32 val;
+
+ renesas_writel(i3c->regs, BCTL, 0);
+ renesas_set_bit(i3c->regs, RSTCTL, RSTCTL_RI3CRST);
+
+ return read_poll_timeout(renesas_readl, val, !(val & RSTCTL_RI3CRST),
+ 0, 1000, false, i3c->regs, RSTCTL);
+}
+
+static int renesas_i3c_bus_init(struct i3c_master_controller *m)
+{
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct i3c_bus *bus = i3c_master_get_bus(m);
+ struct i3c_device_info info = {};
+ struct i2c_timings t;
+ unsigned long rate;
+ u32 double_SBR, val;
+ int cks, pp_high_ticks, pp_low_ticks, i3c_total_ticks;
+ int od_high_ticks, od_low_ticks, i2c_total_ticks;
+ int ret;
+
+ rate = clk_get_rate(i3c->tclk);
+ if (!rate)
+ return -EINVAL;
+
+ ret = renesas_i3c_reset(i3c);
+ if (ret)
+ return ret;
+
+ i2c_total_ticks = DIV_ROUND_UP(rate, bus->scl_rate.i2c);
+ i3c_total_ticks = DIV_ROUND_UP(rate, bus->scl_rate.i3c);
+
+ i2c_parse_fw_timings(&m->dev, &t, true);
+
+ for (cks = 0; cks < 7; cks++) {
+ /* SCL low-period calculation in Open-drain mode */
+ od_low_ticks = ((i2c_total_ticks * 6) / 10);
+
+ /* SCL clock calculation in Push-Pull mode */
+ if (bus->mode == I3C_BUS_MODE_PURE)
+ pp_high_ticks = ((i3c_total_ticks * 5) / 10);
+ else
+ pp_high_ticks = DIV_ROUND_UP(I3C_BUS_THIGH_MIXED_MAX_NS,
+ NSEC_PER_SEC / rate);
+ pp_low_ticks = i3c_total_ticks - pp_high_ticks;
+
+ if ((od_low_ticks / 2) <= 0xFF && pp_low_ticks < 0x3F)
+ break;
+
+ i2c_total_ticks /= 2;
+ i3c_total_ticks /= 2;
+ rate /= 2;
+ }
+
+ /* SCL clock period calculation in Open-drain mode */
+ if ((od_low_ticks / 2) > 0xFF || pp_low_ticks > 0x3F) {
+ dev_err(&m->dev, "invalid speed (i2c-scl = %lu Hz, i3c-scl = %lu Hz). Too slow.\n",
+ (unsigned long)bus->scl_rate.i2c, (unsigned long)bus->scl_rate.i3c);
+ return -EINVAL;
+ }
+
+ /* SCL high-period calculation in Open-drain mode */
+ od_high_ticks = i2c_total_ticks - od_low_ticks;
+
+ /* Standard Bit Rate setting */
+ double_SBR = od_low_ticks > 0xFF ? 1 : 0;
+ i3c->i3c_STDBR = (double_SBR ? STDBR_DSBRPO : 0) |
+ STDBR_SBRLO(double_SBR, od_low_ticks) |
+ STDBR_SBRHO(double_SBR, od_high_ticks) |
+ STDBR_SBRLP(pp_low_ticks) |
+ STDBR_SBRHP(pp_high_ticks);
+
+ od_low_ticks -= t.scl_fall_ns / (NSEC_PER_SEC / rate) + 1;
+ od_high_ticks -= t.scl_rise_ns / (NSEC_PER_SEC / rate) + 1;
+ i3c->i2c_STDBR = (double_SBR ? STDBR_DSBRPO : 0) |
+ STDBR_SBRLO(double_SBR, od_low_ticks) |
+ STDBR_SBRHO(double_SBR, od_high_ticks) |
+ STDBR_SBRLP(pp_low_ticks) |
+ STDBR_SBRHP(pp_high_ticks);
+ renesas_writel(i3c->regs, STDBR, i3c->i3c_STDBR);
+
+ /* Extended Bit Rate setting */
+ renesas_writel(i3c->regs, EXTBR, EXTBR_EBRLO(od_low_ticks) |
+ EXTBR_EBRHO(od_high_ticks) |
+ EXTBR_EBRLP(pp_low_ticks) |
+ EXTBR_EBRHP(pp_high_ticks));
+
+ renesas_writel(i3c->regs, REFCKCTL, REFCKCTL_IREFCKS(cks));
+
+ /* Disable Slave Mode */
+ renesas_writel(i3c->regs, SVCTL, 0);
+
+ /* Initialize Queue/Buffer threshold */
+ renesas_writel(i3c->regs, NQTHCTL, NQTHCTL_IBIDSSZ(6) |
+ NQTHCTL_CMDQTH(1));
+
+ /* The only supported configuration is two entries*/
+ renesas_writel(i3c->regs, NTBTHCTL0, 0);
+ /* Interrupt when there is one entry in the queue */
+ renesas_writel(i3c->regs, NRQTHCTL, 0);
+
+ /* Enable all Bus/Transfer Status Flags */
+ renesas_writel(i3c->regs, BSTE, BSTE_ALL_FLAG);
+ renesas_writel(i3c->regs, NTSTE, NTSTE_ALL_FLAG);
+
+ /* Interrupt enable settings */
+ renesas_writel(i3c->regs, BIE, BIE_NACKDIE | BIE_TENDIE);
+ renesas_writel(i3c->regs, NTIE, 0);
+
+ /* Clear Status register */
+ renesas_writel(i3c->regs, NTST, 0);
+ renesas_writel(i3c->regs, INST, 0);
+ renesas_writel(i3c->regs, BST, 0);
+
+ /* Hot-Join Acknowlege setting. */
+ renesas_set_bit(i3c->regs, BCTL, BCTL_HJACKCTL);
+
+ renesas_writel(i3c->regs, IBINCTL, IBINCTL_NRHJCTL | IBINCTL_NRMRCTL |
+ IBINCTL_NRSIRCTL);
+
+ renesas_writel(i3c->regs, SCSTLCTL, 0);
+ renesas_set_bit(i3c->regs, SCSTRCTL, SCSTRCTL_ACKTWE);
+
+ /* Bus condition timing */
+ val = DIV_ROUND_UP(I3C_BUS_TBUF_MIXED_FM_MIN_NS, NSEC_PER_SEC / rate);
+ renesas_writel(i3c->regs, BFRECDT, BFRECDT_FRECYC(val));
+
+ val = DIV_ROUND_UP(I3C_BUS_TAVAL_MIN_NS, NSEC_PER_SEC / rate);
+ renesas_writel(i3c->regs, BAVLCDT, BAVLCDT_AVLCYC(val));
+
+ val = DIV_ROUND_UP(I3C_BUS_TIDLE_MIN_NS, NSEC_PER_SEC / rate);
+ renesas_writel(i3c->regs, BIDLCDT, BIDLCDT_IDLCYC(val));
+
+ ret = i3c_master_get_free_addr(m, 0);
+ if (ret < 0)
+ return ret;
+
+ renesas_writel(i3c->regs, MSDVAD, MSDVAD_MDYAD(ret) | MSDVAD_MDYADV);
+
+ memset(&info, 0, sizeof(info));
+ info.dyn_addr = ret;
+ return i3c_master_set_info(&i3c->base, &info);
+}
+
+static void renesas_i3c_bus_cleanup(struct i3c_master_controller *m)
+{
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+
+ renesas_i3c_reset(i3c);
+}
+
+static int renesas_i3c_daa(struct i3c_master_controller *m)
+{
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_cmd *cmd;
+ u32 olddevs, newdevs;
+ u8 last_addr = 0, pos;
+ int ret;
+
+ struct renesas_i3c_xfer *xfer __free(kfree) = renesas_i3c_alloc_xfer(i3c, 1);
+ if (!xfer)
+ return -ENOMEM;
+
+ /* Enable I3C bus. */
+ renesas_i3c_bus_enable(m, true);
+
+ olddevs = ~(i3c->free_pos);
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_ENTDAA;
+
+ /* Setting DATBASn registers for target devices. */
+ for (pos = 0; pos < i3c->maxdevs; pos++) {
+ if (olddevs & BIT(pos))
+ continue;
+
+ ret = i3c_master_get_free_addr(m, last_addr + 1);
+ if (ret < 0)
+ return -ENOSPC;
+
+ i3c->addrs[pos] = ret;
+ last_addr = ret;
+
+ renesas_writel(i3c->regs, DATBAS(pos), datbas_dvdyad_with_parity(ret));
+ }
+
+ init_completion(&xfer->comp);
+ cmd = xfer->cmds;
+ cmd->rx_count = 0;
+
+ ret = renesas_i3c_get_free_pos(i3c);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Setup the command descriptor to start the ENTDAA command
+ * and starting at the selected device index.
+ */
+ cmd->cmd0 = NCMDQP_CMD_ATTR(NCMDQP_ADDR_ASSGN) | NCMDQP_ROC |
+ NCMDQP_TID(I3C_COMMAND_ADDRESS_ASSIGNMENT) |
+ NCMDQP_CMD(I3C_CCC_ENTDAA) | NCMDQP_DEV_INDEX(ret) |
+ NCMDQP_DEV_COUNT(i3c->maxdevs - ret) | NCMDQP_TOC;
+
+ renesas_i3c_wait_xfer(i3c, xfer);
+
+ newdevs = GENMASK(i3c->maxdevs - cmd->rx_count - 1, 0);
+ newdevs &= ~olddevs;
+
+ for (pos = 0; pos < i3c->maxdevs; pos++) {
+ if (newdevs & BIT(pos))
+ i3c_master_add_i3c_dev_locked(m, i3c->addrs[pos]);
+ }
+
+ return ret < 0 ? ret : 0;
+}
+
+static bool renesas_i3c_supports_ccc_cmd(struct i3c_master_controller *m,
+ const struct i3c_ccc_cmd *cmd)
+{
+ if (cmd->ndests > 1)
+ return false;
+
+ switch (cmd->id) {
+ case I3C_CCC_ENEC(true):
+ case I3C_CCC_ENEC(false):
+ case I3C_CCC_DISEC(true):
+ case I3C_CCC_DISEC(false):
+ case I3C_CCC_ENTAS(0, true):
+ case I3C_CCC_ENTAS(1, true):
+ case I3C_CCC_ENTAS(2, true):
+ case I3C_CCC_ENTAS(3, true):
+ case I3C_CCC_ENTAS(0, false):
+ case I3C_CCC_ENTAS(1, false):
+ case I3C_CCC_ENTAS(2, false):
+ case I3C_CCC_ENTAS(3, false):
+ case I3C_CCC_RSTDAA(true):
+ case I3C_CCC_RSTDAA(false):
+ case I3C_CCC_ENTDAA:
+ case I3C_CCC_DEFSLVS:
+ case I3C_CCC_SETMWL(true):
+ case I3C_CCC_SETMWL(false):
+ case I3C_CCC_SETMRL(true):
+ case I3C_CCC_SETMRL(false):
+ case I3C_CCC_ENTTM:
+ case I3C_CCC_SETDASA:
+ case I3C_CCC_SETNEWDA:
+ case I3C_CCC_GETMWL:
+ case I3C_CCC_GETMRL:
+ case I3C_CCC_GETPID:
+ case I3C_CCC_GETBCR:
+ case I3C_CCC_GETDCR:
+ case I3C_CCC_GETSTATUS:
+ case I3C_CCC_GETACCMST:
+ case I3C_CCC_GETMXDS:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int renesas_i3c_send_ccc_cmd(struct i3c_master_controller *m,
+ struct i3c_ccc_cmd *ccc)
+{
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+ int ret, pos = 0;
+
+ if (ccc->id & I3C_CCC_DIRECT) {
+ pos = renesas_i3c_get_addr_pos(i3c, ccc->dests[0].addr);
+ if (pos < 0)
+ return pos;
+ }
+
+ xfer = renesas_i3c_alloc_xfer(i3c, 1);
+ if (!xfer)
+ return -ENOMEM;
+
+ renesas_i3c_bus_enable(m, true);
+
+ init_completion(&xfer->comp);
+ cmd = xfer->cmds;
+ cmd->rnw = ccc->rnw;
+ cmd->cmd0 = 0;
+
+ /* Calculate the command descriptor. */
+ switch (ccc->id) {
+ case I3C_CCC_SETDASA:
+ renesas_writel(i3c->regs, DATBAS(pos),
+ DATBAS_DVSTAD(ccc->dests[0].addr) |
+ DATBAS_DVDYAD(*(u8 *)ccc->dests[0].payload.data >> 1));
+ cmd->cmd0 = NCMDQP_CMD_ATTR(NCMDQP_ADDR_ASSGN) | NCMDQP_ROC |
+ NCMDQP_TID(I3C_COMMAND_ADDRESS_ASSIGNMENT) |
+ NCMDQP_CMD(I3C_CCC_SETDASA) | NCMDQP_DEV_INDEX(pos) |
+ NCMDQP_DEV_COUNT(0) | NCMDQP_TOC;
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_SETDASA;
+ break;
+ default:
+ /* Calculate the command descriptor. */
+ cmd->cmd0 = NCMDQP_TID(I3C_COMMAND_WRITE) | NCMDQP_MODE(0) |
+ NCMDQP_RNW(ccc->rnw) | NCMDQP_CMD(ccc->id) |
+ NCMDQP_ROC | NCMDQP_TOC | NCMDQP_CP |
+ NCMDQP_DEV_INDEX(pos);
+
+ if (ccc->rnw) {
+ cmd->rx_buf = ccc->dests[0].payload.data;
+ cmd->len = ccc->dests[0].payload.len;
+ cmd->rx_count = 0;
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_COMMAND_READ;
+ } else {
+ cmd->tx_buf = ccc->dests[0].payload.data;
+ cmd->len = ccc->dests[0].payload.len;
+ cmd->tx_count = 0;
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_COMMAND_WRITE;
+ }
+ }
+
+ renesas_i3c_wait_xfer(i3c, xfer);
+
+ ret = xfer->ret;
+ if (ret)
+ ccc->err = I3C_ERROR_M2;
+
+ kfree(xfer);
+
+ return ret;
+}
+
+static int renesas_i3c_priv_xfers(struct i3c_dev_desc *dev, struct i3c_priv_xfer *i3c_xfers,
+ int i3c_nxfers)
+{
+ struct i3c_master_controller *m = i3c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+ struct renesas_i3c_xfer *xfer;
+ int i;
+
+ /* Enable I3C bus. */
+ renesas_i3c_bus_enable(m, true);
+
+ xfer = renesas_i3c_alloc_xfer(i3c, 1);
+ if (!xfer)
+ return -ENOMEM;
+
+ init_completion(&xfer->comp);
+
+ for (i = 0; i < i3c_nxfers; i++) {
+ struct renesas_i3c_cmd *cmd = xfer->cmds;
+
+ /* Calculate the Transfer Command Descriptor */
+ cmd->rnw = i3c_xfers[i].rnw;
+ cmd->cmd0 = NCMDQP_DEV_INDEX(data->index) | NCMDQP_MODE(0) |
+ NCMDQP_RNW(cmd->rnw) | NCMDQP_ROC | NCMDQP_TOC;
+
+ if (i3c_xfers[i].rnw) {
+ cmd->rx_count = 0;
+ cmd->cmd0 |= NCMDQP_TID(I3C_READ);
+ cmd->rx_buf = i3c_xfers[i].data.in;
+ cmd->len = i3c_xfers[i].len;
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_READ;
+ } else {
+ cmd->tx_count = 0;
+ cmd->cmd0 |= NCMDQP_TID(I3C_WRITE);
+ cmd->tx_buf = i3c_xfers[i].data.out;
+ cmd->len = i3c_xfers[i].len;
+ i3c->internal_state = I3C_INTERNAL_STATE_CONTROLLER_WRITE;
+ }
+
+ if (!i3c_xfers[i].rnw && i3c_xfers[i].len > 4) {
+ i3c_writel_fifo(i3c->regs + NTDTBP0, cmd->tx_buf, cmd->len);
+ if (cmd->len > NTDTBP0_DEPTH * sizeof(u32))
+ renesas_set_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ }
+
+ renesas_i3c_wait_xfer(i3c, xfer);
+ }
+
+ return 0;
+}
+
+static int renesas_i3c_attach_i3c_dev(struct i3c_dev_desc *dev)
+{
+ struct i3c_master_controller *m = i3c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_i2c_dev_data *data;
+ int pos;
+
+ pos = renesas_i3c_get_free_pos(i3c);
+ if (pos < 0)
+ return pos;
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->index = pos;
+ i3c->addrs[pos] = dev->info.dyn_addr ? : dev->info.static_addr;
+ i3c->free_pos &= ~BIT(pos);
+
+ renesas_writel(i3c->regs, DATBAS(pos), DATBAS_DVSTAD(dev->info.static_addr) |
+ datbas_dvdyad_with_parity(i3c->addrs[pos]));
+ i3c_dev_set_master_data(dev, data);
+
+ return 0;
+}
+
+static int renesas_i3c_reattach_i3c_dev(struct i3c_dev_desc *dev,
+ u8 old_dyn_addr)
+{
+ struct i3c_master_controller *m = i3c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+
+ i3c->addrs[data->index] = dev->info.dyn_addr ? dev->info.dyn_addr :
+ dev->info.static_addr;
+
+ return 0;
+}
+
+static void renesas_i3c_detach_i3c_dev(struct i3c_dev_desc *dev)
+{
+ struct renesas_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+ struct i3c_master_controller *m = i3c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+
+ i3c_dev_set_master_data(dev, NULL);
+ i3c->addrs[data->index] = 0;
+ i3c->free_pos |= BIT(data->index);
+ kfree(data);
+}
+
+static int renesas_i3c_i2c_xfers(struct i2c_dev_desc *dev,
+ struct i2c_msg *i2c_xfers,
+ int i2c_nxfers)
+{
+ struct i3c_master_controller *m = i2c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_cmd *cmd;
+ u8 start_bit = CNDCTL_STCND;
+ int i;
+
+ struct renesas_i3c_xfer *xfer __free(kfree) = renesas_i3c_alloc_xfer(i3c, 1);
+ if (!xfer)
+ return -ENOMEM;
+
+ if (!i2c_nxfers)
+ return 0;
+
+ renesas_i3c_bus_enable(m, false);
+
+ init_completion(&xfer->comp);
+ xfer->is_i2c_xfer = true;
+ cmd = xfer->cmds;
+
+ if (!(renesas_readl(i3c->regs, BCST) & BCST_BFREF)) {
+ cmd->err = -EBUSY;
+ return cmd->err;
+ }
+
+ renesas_writel(i3c->regs, BST, 0);
+
+ renesas_i3c_enqueue_xfer(i3c, xfer);
+
+ for (i = 0; i < i2c_nxfers; i++) {
+ cmd->i2c_bytes_left = I2C_INIT_MSG;
+ cmd->i2c_buf = i2c_xfers[i].buf;
+ cmd->msg = &i2c_xfers[i];
+ cmd->i2c_is_last = (i == i2c_nxfers - 1);
+
+ renesas_set_bit(i3c->regs, BIE, BIE_NACKDIE);
+ renesas_set_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ renesas_set_bit(i3c->regs, BIE, BIE_STCNDDIE);
+
+ /* Issue Start condition */
+ renesas_set_bit(i3c->regs, CNDCTL, start_bit);
+
+ renesas_set_bit(i3c->regs, NTSTE, NTSTE_TDBEE0);
+
+ wait_for_completion_timeout(&xfer->comp, m->i2c.timeout);
+
+ if (cmd->err)
+ break;
+
+ start_bit = CNDCTL_SRCND;
+ }
+
+ renesas_i3c_dequeue_xfer(i3c, xfer);
+ return cmd->err;
+}
+
+static int renesas_i3c_attach_i2c_dev(struct i2c_dev_desc *dev)
+{
+ struct i3c_master_controller *m = i2c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+ struct renesas_i3c_i2c_dev_data *data;
+ int pos;
+
+ pos = renesas_i3c_get_free_pos(i3c);
+ if (pos < 0)
+ return pos;
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->index = pos;
+ i3c->addrs[pos] = dev->addr;
+ i3c->free_pos &= ~BIT(pos);
+ i2c_dev_set_master_data(dev, data);
+
+ return 0;
+}
+
+static void renesas_i3c_detach_i2c_dev(struct i2c_dev_desc *dev)
+{
+ struct renesas_i3c_i2c_dev_data *data = i2c_dev_get_master_data(dev);
+ struct i3c_master_controller *m = i2c_dev_get_master(dev);
+ struct renesas_i3c *i3c = to_renesas_i3c(m);
+
+ i2c_dev_set_master_data(dev, NULL);
+ i3c->addrs[data->index] = 0;
+ i3c->free_pos |= BIT(data->index);
+ kfree(data);
+}
+
+static irqreturn_t renesas_i3c_tx_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+ u8 val;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+ cmd = xfer->cmds;
+
+ if (xfer->is_i2c_xfer) {
+ if (!cmd->i2c_bytes_left)
+ return IRQ_NONE;
+
+ if (cmd->i2c_bytes_left != I2C_INIT_MSG) {
+ val = *cmd->i2c_buf;
+ cmd->i2c_buf++;
+ cmd->i2c_bytes_left--;
+ renesas_writel(i3c->regs, NTDTBP0, val);
+ }
+
+ if (cmd->i2c_bytes_left == 0) {
+ renesas_clear_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ renesas_set_bit(i3c->regs, BIE, BIE_TENDIE);
+ }
+
+ /* Clear the Transmit Buffer Empty status flag. */
+ renesas_clear_bit(i3c->regs, NTST, NTST_TDBEF0);
+ } else {
+ i3c_writel_fifo(i3c->regs + NTDTBP0, cmd->tx_buf, cmd->len);
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t renesas_i3c_resp_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+ u32 resp_descriptor = renesas_readl(i3c->regs, NRSPQP);
+ u32 bytes_remaining = 0;
+ u32 ntst, data_len;
+ int ret = 0;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+ cmd = xfer->cmds;
+
+ /* Clear the Respone Queue Full status flag*/
+ renesas_clear_bit(i3c->regs, NTST, NTST_RSPQFF);
+
+ data_len = NRSPQP_DATA_LEN(resp_descriptor);
+
+ switch (i3c->internal_state) {
+ case I3C_INTERNAL_STATE_CONTROLLER_ENTDAA:
+ cmd->rx_count = data_len;
+ break;
+ case I3C_INTERNAL_STATE_CONTROLLER_WRITE:
+ case I3C_INTERNAL_STATE_CONTROLLER_COMMAND_WRITE:
+ /* Disable the transmit IRQ if it hasn't been disabled already. */
+ renesas_clear_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ break;
+ case I3C_INTERNAL_STATE_CONTROLLER_READ:
+ case I3C_INTERNAL_STATE_CONTROLLER_COMMAND_READ:
+ if (NDBSTLV0_RDBLV(renesas_readl(i3c->regs, NDBSTLV0)) && !cmd->err)
+ bytes_remaining = data_len - cmd->rx_count;
+
+ i3c_readl_fifo(i3c->regs + NTDTBP0, cmd->rx_buf, bytes_remaining);
+ renesas_clear_bit(i3c->regs, NTIE, NTIE_RDBFIE0);
+ break;
+ default:
+ break;
+ }
+
+ switch (NRSPQP_ERR_STATUS(resp_descriptor)) {
+ case NRSPQP_NO_ERROR:
+ break;
+ case NRSPQP_ERROR_PARITY:
+ case NRSPQP_ERROR_IBA_NACK:
+ case NRSPQP_ERROR_TRANSF_ABORT:
+ case NRSPQP_ERROR_CRC:
+ case NRSPQP_ERROR_FRAME:
+ ret = -EIO;
+ break;
+ case NRSPQP_ERROR_OVER_UNDER_FLOW:
+ ret = -ENOSPC;
+ break;
+ case NRSPQP_ERROR_UNSUPPORTED:
+ ret = -EOPNOTSUPP;
+ break;
+ case NRSPQP_ERROR_I2C_W_NACK_ERR:
+ case NRSPQP_ERROR_ADDRESS_NACK:
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ /*
+ * If the transfer was aborted, then the abort flag must be cleared
+ * before notifying the application that a transfer has completed.
+ */
+ ntst = renesas_readl(i3c->regs, NTST);
+ if (ntst & NTST_TABTF)
+ renesas_clear_bit(i3c->regs, BCTL, BCTL_ABT);
+
+ /* Clear error status flags. */
+ renesas_clear_bit(i3c->regs, NTST, NTST_TEF | NTST_TABTF);
+
+ xfer->ret = ret;
+ complete(&xfer->comp);
+
+ xfer = list_first_entry_or_null(&i3c->xferqueue.list,
+ struct renesas_i3c_xfer, node);
+ if (xfer)
+ list_del_init(&xfer->node);
+
+ i3c->xferqueue.cur = xfer;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t renesas_i3c_tend_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+ cmd = xfer->cmds;
+
+ if (xfer->is_i2c_xfer) {
+ if (renesas_readl(i3c->regs, BST) & BST_NACKDF) {
+ /* We got a NACKIE */
+ renesas_readl(i3c->regs, NTDTBP0); /* dummy read */
+ renesas_clear_bit(i3c->regs, BST, BST_NACKDF);
+ cmd->err = -ENXIO;
+ } else if (cmd->i2c_bytes_left) {
+ renesas_set_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ return IRQ_NONE;
+ }
+
+ if (cmd->i2c_is_last || cmd->err) {
+ renesas_clear_bit(i3c->regs, BIE, BIE_TENDIE);
+ renesas_set_bit(i3c->regs, BIE, BIE_SPCNDDIE);
+ renesas_set_bit(i3c->regs, CNDCTL, CNDCTL_SPCND);
+ } else {
+ /* Transfer is complete, but do not send STOP */
+ renesas_clear_bit(i3c->regs, NTSTE, NTSTE_TDBEE0);
+ renesas_clear_bit(i3c->regs, BIE, BIE_TENDIE);
+ xfer->ret = 0;
+ complete(&xfer->comp);
+ }
+ }
+
+ /* Clear the Transmit Buffer Empty status flag. */
+ renesas_clear_bit(i3c->regs, BST, BST_TENDF);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t renesas_i3c_rx_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+ int read_bytes;
+
+ /* If resp_isr already read the data and updated 'xfer', we can just leave */
+ if (!(renesas_readl(i3c->regs, NTIE) & NTIE_RDBFIE0))
+ return IRQ_NONE;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+ cmd = xfer->cmds;
+
+ if (xfer->is_i2c_xfer) {
+ if (!cmd->i2c_bytes_left)
+ return IRQ_NONE;
+
+ if (cmd->i2c_bytes_left == I2C_INIT_MSG) {
+ cmd->i2c_bytes_left = cmd->msg->len;
+ renesas_set_bit(i3c->regs, SCSTRCTL, SCSTRCTL_RWE);
+ renesas_readl(i3c->regs, NTDTBP0); /* dummy read */
+ if (cmd->i2c_bytes_left == 1)
+ renesas_writel(i3c->regs, ACKCTL, ACKCTL_ACKT | ACKCTL_ACKTWP);
+ return IRQ_HANDLED;
+ }
+
+ if (cmd->i2c_bytes_left == 1) {
+ /* STOP must come before we set ACKCTL! */
+ if (cmd->i2c_is_last) {
+ renesas_set_bit(i3c->regs, BIE, BIE_SPCNDDIE);
+ renesas_clear_bit(i3c->regs, BST, BST_SPCNDDF);
+ renesas_set_bit(i3c->regs, CNDCTL, CNDCTL_SPCND);
+ }
+ renesas_writel(i3c->regs, ACKCTL, ACKCTL_ACKT | ACKCTL_ACKTWP);
+ } else {
+ renesas_writel(i3c->regs, ACKCTL, ACKCTL_ACKTWP);
+ }
+
+ /* Reading acks the RIE interrupt */
+ *cmd->i2c_buf = renesas_readl(i3c->regs, NTDTBP0);
+ cmd->i2c_buf++;
+ cmd->i2c_bytes_left--;
+ } else {
+ read_bytes = NDBSTLV0_RDBLV(renesas_readl(i3c->regs, NDBSTLV0)) * sizeof(u32);
+ i3c_readl_fifo(i3c->regs + NTDTBP0, cmd->rx_buf, read_bytes);
+ cmd->rx_count = read_bytes;
+ }
+
+ /* Clear the Read Buffer Full status flag. */
+ renesas_clear_bit(i3c->regs, NTST, NTST_RDBFF0);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t renesas_i3c_stop_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+
+ /* read back registers to confirm writes have fully propagated */
+ renesas_writel(i3c->regs, BST, 0);
+ renesas_readl(i3c->regs, BST);
+ renesas_writel(i3c->regs, BIE, 0);
+ renesas_clear_bit(i3c->regs, NTST, NTST_TDBEF0 | NTST_RDBFF0);
+ renesas_clear_bit(i3c->regs, SCSTRCTL, SCSTRCTL_RWE);
+
+ xfer->ret = 0;
+ complete(&xfer->comp);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t renesas_i3c_start_isr(int irq, void *data)
+{
+ struct renesas_i3c *i3c = data;
+ struct renesas_i3c_xfer *xfer;
+ struct renesas_i3c_cmd *cmd;
+ u8 val;
+
+ scoped_guard(spinlock, &i3c->xferqueue.lock) {
+ xfer = i3c->xferqueue.cur;
+ cmd = xfer->cmds;
+
+ if (xfer->is_i2c_xfer) {
+ if (!cmd->i2c_bytes_left)
+ return IRQ_NONE;
+
+ if (cmd->i2c_bytes_left == I2C_INIT_MSG) {
+ if (cmd->msg->flags & I2C_M_RD) {
+ /* On read, switch over to receive interrupt */
+ renesas_clear_bit(i3c->regs, NTIE, NTIE_TDBEIE0);
+ renesas_set_bit(i3c->regs, NTIE, NTIE_RDBFIE0);
+ } else {
+ /* On write, initialize length */
+ cmd->i2c_bytes_left = cmd->msg->len;
+ }
+
+ val = i2c_8bit_addr_from_msg(cmd->msg);
+ renesas_writel(i3c->regs, NTDTBP0, val);
+ }
+ }
+
+ renesas_clear_bit(i3c->regs, BIE, BIE_STCNDDIE);
+ renesas_clear_bit(i3c->regs, BST, BST_STCNDDF);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static const struct i3c_master_controller_ops renesas_i3c_ops = {
+ .bus_init = renesas_i3c_bus_init,
+ .bus_cleanup = renesas_i3c_bus_cleanup,
+ .attach_i3c_dev = renesas_i3c_attach_i3c_dev,
+ .reattach_i3c_dev = renesas_i3c_reattach_i3c_dev,
+ .detach_i3c_dev = renesas_i3c_detach_i3c_dev,
+ .do_daa = renesas_i3c_daa,
+ .supports_ccc_cmd = renesas_i3c_supports_ccc_cmd,
+ .send_ccc_cmd = renesas_i3c_send_ccc_cmd,
+ .priv_xfers = renesas_i3c_priv_xfers,
+ .attach_i2c_dev = renesas_i3c_attach_i2c_dev,
+ .detach_i2c_dev = renesas_i3c_detach_i2c_dev,
+ .i2c_xfers = renesas_i3c_i2c_xfers,
+};
+
+static const struct renesas_i3c_irq_desc renesas_i3c_irqs[] = {
+ { .name = "resp", .isr = renesas_i3c_resp_isr, .desc = "i3c-resp" },
+ { .name = "rx", .isr = renesas_i3c_rx_isr, .desc = "i3c-rx" },
+ { .name = "tx", .isr = renesas_i3c_tx_isr, .desc = "i3c-tx" },
+ { .name = "st", .isr = renesas_i3c_start_isr, .desc = "i3c-start" },
+ { .name = "sp", .isr = renesas_i3c_stop_isr, .desc = "i3c-stop" },
+ { .name = "tend", .isr = renesas_i3c_tend_isr, .desc = "i3c-tend" },
+ { .name = "nack", .isr = renesas_i3c_tend_isr, .desc = "i3c-nack" },
+};
+
+static int renesas_i3c_probe(struct platform_device *pdev)
+{
+ struct renesas_i3c *i3c;
+ struct reset_control *reset;
+ struct clk *clk;
+ const struct renesas_i3c_config *config = of_device_get_match_data(&pdev->dev);
+ int ret, i;
+
+ if (!config)
+ return -ENODATA;
+
+ i3c = devm_kzalloc(&pdev->dev, sizeof(*i3c), GFP_KERNEL);
+ if (!i3c)
+ return -ENOMEM;
+
+ i3c->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(i3c->regs))
+ return PTR_ERR(i3c->regs);
+
+ clk = devm_clk_get_enabled(&pdev->dev, "pclk");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ if (config->has_pclkrw) {
+ clk = devm_clk_get_enabled(&pdev->dev, "pclkrw");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ }
+
+ i3c->tclk = devm_clk_get_enabled(&pdev->dev, "tclk");
+ if (IS_ERR(i3c->tclk))
+ return PTR_ERR(i3c->tclk);
+
+ reset = devm_reset_control_get_optional_exclusive_deasserted(&pdev->dev, "tresetn");
+ if (IS_ERR(reset))
+ return dev_err_probe(&pdev->dev, PTR_ERR(reset),
+ "Error: missing tresetn ctrl\n");
+
+ reset = devm_reset_control_get_optional_exclusive_deasserted(&pdev->dev, "presetn");
+ if (IS_ERR(reset))
+ return dev_err_probe(&pdev->dev, PTR_ERR(reset),
+ "Error: missing presetn ctrl\n");
+
+ spin_lock_init(&i3c->xferqueue.lock);
+ INIT_LIST_HEAD(&i3c->xferqueue.list);
+
+ ret = renesas_i3c_reset(i3c);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(renesas_i3c_irqs); i++) {
+ ret = platform_get_irq_byname(pdev, renesas_i3c_irqs[i].name);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_request_irq(&pdev->dev, ret, renesas_i3c_irqs[i].isr,
+ 0, renesas_i3c_irqs[i].desc, i3c);
+ if (ret)
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, i3c);
+
+ i3c->maxdevs = RENESAS_I3C_MAX_DEVS;
+ i3c->free_pos = GENMASK(i3c->maxdevs - 1, 0);
+
+ return i3c_master_register(&i3c->base, &pdev->dev, &renesas_i3c_ops, false);
+}
+
+static void renesas_i3c_remove(struct platform_device *pdev)
+{
+ struct renesas_i3c *i3c = platform_get_drvdata(pdev);
+
+ i3c_master_unregister(&i3c->base);
+}
+
+static const struct renesas_i3c_config empty_i3c_config = {
+};
+
+static const struct renesas_i3c_config r9a09g047_i3c_config = {
+ .has_pclkrw = 1,
+};
+
+static const struct of_device_id renesas_i3c_of_ids[] = {
+ { .compatible = "renesas,r9a08g045-i3c", .data = &empty_i3c_config },
+ { .compatible = "renesas,r9a09g047-i3c", .data = &r9a09g047_i3c_config },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, renesas_i3c_of_ids);
+
+static struct platform_driver renesas_i3c = {
+ .probe = renesas_i3c_probe,
+ .remove = renesas_i3c_remove,
+ .driver = {
+ .name = "renesas-i3c",
+ .of_match_table = renesas_i3c_of_ids,
+ },
+};
+module_platform_driver(renesas_i3c);
+
+MODULE_AUTHOR("Wolfram Sang <wsa+renesas@sang-engineering.com>");
+MODULE_AUTHOR("Renesas BSP teams");
+MODULE_DESCRIPTION("Renesas I3C controller driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 7e1a7cb94b43..701ae165b25b 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -104,6 +104,7 @@
#define SVC_I3C_MDATACTRL_TXTRIG_FIFO_NOT_FULL GENMASK(5, 4)
#define SVC_I3C_MDATACTRL_RXTRIG_FIFO_NOT_EMPTY 0
#define SVC_I3C_MDATACTRL_RXCOUNT(x) FIELD_GET(GENMASK(28, 24), (x))
+#define SVC_I3C_MDATACTRL_TXCOUNT(x) FIELD_GET(GENMASK(20, 16), (x))
#define SVC_I3C_MDATACTRL_TXFULL BIT(30)
#define SVC_I3C_MDATACTRL_RXEMPTY BIT(31)
@@ -664,7 +665,6 @@ static int svc_i3c_master_set_speed(struct i3c_master_controller *m,
}
rpm_out:
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
@@ -779,7 +779,6 @@ static int svc_i3c_master_bus_init(struct i3c_master_controller *m)
goto rpm_out;
rpm_out:
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
@@ -801,7 +800,6 @@ static void svc_i3c_master_bus_cleanup(struct i3c_master_controller *m)
/* Disable master */
writel(0, master->regs + SVC_I3C_MCONFIG);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
}
@@ -1207,7 +1205,6 @@ static int svc_i3c_master_do_daa(struct i3c_master_controller *m)
dev_err(master->dev, "Cannot handle such a list of devices");
rpm_out:
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
@@ -1304,14 +1301,19 @@ static int svc_i3c_master_xfer(struct svc_i3c_master *master,
* FIFO start filling as soon as possible after EmitStartAddr.
*/
if (svc_has_quirk(master, SVC_I3C_QUIRK_FIFO_EMPTY) && !rnw && xfer_len) {
- u32 end = xfer_len > SVC_I3C_FIFO_SIZE ? 0 : SVC_I3C_MWDATAB_END;
- u32 len = min_t(u32, xfer_len, SVC_I3C_FIFO_SIZE);
-
- writesb(master->regs + SVC_I3C_MWDATAB1, out, len - 1);
- /* Mark END bit if this is the last byte */
- writel(out[len - 1] | end, master->regs + SVC_I3C_MWDATAB);
- xfer_len -= len;
- out += len;
+ u32 space, end, len;
+
+ reg = readl(master->regs + SVC_I3C_MDATACTRL);
+ space = SVC_I3C_FIFO_SIZE - SVC_I3C_MDATACTRL_TXCOUNT(reg);
+ if (space) {
+ end = xfer_len > space ? 0 : SVC_I3C_MWDATAB_END;
+ len = min_t(u32, xfer_len, space);
+ writesb(master->regs + SVC_I3C_MWDATAB1, out, len - 1);
+ /* Mark END bit if this is the last byte */
+ writel(out[len - 1] | end, master->regs + SVC_I3C_MWDATAB);
+ xfer_len -= len;
+ out += len;
+ }
}
ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
@@ -1511,7 +1513,6 @@ static void svc_i3c_master_enqueue_xfer(struct svc_i3c_master *master,
}
spin_unlock_irqrestore(&master->xferqueue.lock, flags);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
}
@@ -1708,7 +1709,7 @@ static int svc_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
mutex_lock(&master->lock);
svc_i3c_master_enqueue_xfer(master, xfer);
- if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+ if (!wait_for_completion_timeout(&xfer->comp, m->i2c.timeout))
svc_i3c_master_dequeue_xfer(master, xfer);
mutex_unlock(&master->lock);
@@ -1801,7 +1802,6 @@ static int svc_i3c_master_disable_ibi(struct i3c_dev_desc *dev)
ret = i3c_master_disec_locked(m, dev->info.dyn_addr, I3C_CCC_EVENT_SIR);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return ret;
@@ -1834,7 +1834,6 @@ static int svc_i3c_master_disable_hotjoin(struct i3c_master_controller *m)
if (!master->enabled_events)
svc_i3c_master_disable_interrupts(master);
- pm_runtime_mark_last_busy(master->dev);
pm_runtime_put_autosuspend(master->dev);
return 0;
@@ -1954,7 +1953,6 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
if (ret)
goto rpm_disable;
- pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
return 0;
diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c
index 3a08f57d2211..f7dd32c6e5ba 100644
--- a/drivers/infiniband/sw/siw/siw_qp_tx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_tx.c
@@ -340,18 +340,17 @@ static int siw_tcp_sendpages(struct socket *s, struct page **page, int offset,
if (!sendpage_ok(page[i]))
msg.msg_flags &= ~MSG_SPLICE_PAGES;
bvec_set_page(&bvec, page[i], bytes, offset);
- iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, size);
+ iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, bytes);
try_page_again:
lock_sock(sk);
- rv = tcp_sendmsg_locked(sk, &msg, size);
+ rv = tcp_sendmsg_locked(sk, &msg, bytes);
release_sock(sk);
if (rv > 0) {
size -= rv;
sent += rv;
if (rv != bytes) {
- offset += rv;
bytes -= rv;
goto try_page_again;
}
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
index 930b64d2115e..2cd6e1c9a778 100644
--- a/drivers/input/Makefile
+++ b/drivers/input/Makefile
@@ -7,7 +7,7 @@
obj-$(CONFIG_INPUT) += input-core.o
input-core-y := input.o input-compat.o input-mt.o input-poller.o ff-core.o
-input-core-y += touchscreen.o
+input-core-y += touchscreen.o touch-overlay.o
obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o
obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index b5cbb57ee5f6..90ff6be85cf4 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -1408,8 +1408,12 @@ static void evdev_disconnect(struct input_handle *handle)
}
static const struct input_device_id evdev_ids[] = {
- { .driver_info = 1 }, /* Matches all devices */
- { }, /* Terminating zero entry */
+ {
+ /* Matches all devices */
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
+ .evbit = { BIT_MASK(EV_SYN) },
+ },
+ { } /* Terminating zero entry */
};
MODULE_DEVICE_TABLE(input, evdev_ids);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 44887e51e049..1da41324362b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -971,7 +971,7 @@ static const struct input_device_id *input_match_device(struct input_handler *ha
{
const struct input_device_id *id;
- for (id = handler->id_table; id->flags || id->driver_info; id++) {
+ for (id = handler->id_table; id->flags; id++) {
if (input_match_device_id(dev, id) &&
(!handler->match || handler->match(handler, dev))) {
return id;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 1d8c579b5433..4c94297e17e6 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -442,8 +442,8 @@ static const signed short xpad_btn[] = {
/* used when dpad is mapped to buttons */
static const signed short xpad_btn_pad[] = {
- BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, /* d-pad left, right */
- BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, /* d-pad up, down */
+ BTN_DPAD_LEFT, BTN_DPAD_RIGHT, /* d-pad left, right */
+ BTN_DPAD_UP, BTN_DPAD_DOWN, /* d-pad up, down */
-1 /* terminating entry */
};
@@ -479,8 +479,8 @@ static const signed short xpad_abs_triggers[] = {
/* used when the controller has extra paddle buttons */
static const signed short xpad_btn_paddles[] = {
- BTN_TRIGGER_HAPPY5, BTN_TRIGGER_HAPPY6, /* paddle upper right, lower right */
- BTN_TRIGGER_HAPPY7, BTN_TRIGGER_HAPPY8, /* paddle upper left, lower left */
+ BTN_GRIPR, BTN_GRIPR2, /* paddle upper right, lower right */
+ BTN_GRIPL, BTN_GRIPL2, /* paddle upper left, lower left */
-1 /* terminating entry */
};
@@ -840,10 +840,10 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
/* dpad as buttons (left, right, up, down) */
- input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & BIT(3));
- input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & BIT(1));
+ input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
+ input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
+ input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
+ input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[2] & 0x08) - !!(data[2] & 0x04));
@@ -891,10 +891,10 @@ static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev,
/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
/* dpad as buttons (left, right, up, down) */
- input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & BIT(3));
- input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & BIT(1));
+ input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
+ input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
+ input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
+ input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
}
/*
@@ -1075,10 +1075,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
data[18] = 0;
/* Elite Series 2 split packet paddle bits */
- input_report_key(dev, BTN_TRIGGER_HAPPY5, data[18] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY6, data[18] & BIT(1));
- input_report_key(dev, BTN_TRIGGER_HAPPY7, data[18] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY8, data[18] & BIT(3));
+ input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
+ input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
+ input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
+ input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));
do_sync = true;
}
@@ -1113,10 +1113,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
/* dpad as buttons (left, right, up, down) */
- input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & BIT(3));
- input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & BIT(1));
+ input_report_key(dev, BTN_DPAD_LEFT, data[5] & BIT(2));
+ input_report_key(dev, BTN_DPAD_RIGHT, data[5] & BIT(3));
+ input_report_key(dev, BTN_DPAD_UP, data[5] & BIT(0));
+ input_report_key(dev, BTN_DPAD_DOWN, data[5] & BIT(1));
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[5] & 0x08) - !!(data[5] & 0x04));
@@ -1175,10 +1175,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
data[32] = 0;
/* OG Elite Series Controller paddle bits */
- input_report_key(dev, BTN_TRIGGER_HAPPY5, data[32] & BIT(1));
- input_report_key(dev, BTN_TRIGGER_HAPPY6, data[32] & BIT(3));
- input_report_key(dev, BTN_TRIGGER_HAPPY7, data[32] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY8, data[32] & BIT(2));
+ input_report_key(dev, BTN_GRIPR, data[32] & BIT(1));
+ input_report_key(dev, BTN_GRIPR2, data[32] & BIT(3));
+ input_report_key(dev, BTN_GRIPL, data[32] & BIT(0));
+ input_report_key(dev, BTN_GRIPL2, data[32] & BIT(2));
} else if (xpad->packet_type == PKT_XBE2_FW_OLD) {
/* Mute paddles if controller has a custom mapping applied.
* Checked by comparing the current mapping
@@ -1188,10 +1188,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
data[18] = 0;
/* Elite Series 2 4.x firmware paddle bits */
- input_report_key(dev, BTN_TRIGGER_HAPPY5, data[18] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY6, data[18] & BIT(1));
- input_report_key(dev, BTN_TRIGGER_HAPPY7, data[18] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY8, data[18] & BIT(3));
+ input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
+ input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
+ input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
+ input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));
} else if (xpad->packet_type == PKT_XBE2_FW_5_EARLY) {
/* Mute paddles if controller has a custom mapping applied.
* Checked by comparing the current mapping
@@ -1203,10 +1203,10 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
/* Elite Series 2 5.x firmware paddle bits
* (before the packet was split)
*/
- input_report_key(dev, BTN_TRIGGER_HAPPY5, data[22] & BIT(0));
- input_report_key(dev, BTN_TRIGGER_HAPPY6, data[22] & BIT(1));
- input_report_key(dev, BTN_TRIGGER_HAPPY7, data[22] & BIT(2));
- input_report_key(dev, BTN_TRIGGER_HAPPY8, data[22] & BIT(3));
+ input_report_key(dev, BTN_GRIPR, data[22] & BIT(0));
+ input_report_key(dev, BTN_GRIPR2, data[22] & BIT(1));
+ input_report_key(dev, BTN_GRIPL, data[22] & BIT(2));
+ input_report_key(dev, BTN_GRIPL2, data[22] & BIT(3));
}
}
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index dc734974ce06..2b2aca08423a 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -232,8 +232,8 @@ static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned int off)
return !!(val & bit);
}
-static void adp5588_gpio_set_value(struct gpio_chip *chip,
- unsigned int off, int val)
+static int adp5588_gpio_set_value(struct gpio_chip *chip, unsigned int off,
+ int val)
{
struct adp5588_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
@@ -246,7 +246,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
else
kpad->dat_out[bank] &= ~bit;
- adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, kpad->dat_out[bank]);
+ return adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
+ kpad->dat_out[bank]);
}
static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off,
@@ -424,7 +425,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad)
kpad->gc.direction_input = adp5588_gpio_direction_input;
kpad->gc.direction_output = adp5588_gpio_direction_output;
kpad->gc.get = adp5588_gpio_get_value;
- kpad->gc.set = adp5588_gpio_set_value;
+ kpad->gc.set_rv = adp5588_gpio_set_value;
kpad->gc.set_config = adp5588_gpio_set_config;
kpad->gc.can_sleep = 1;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index c9e1127578b9..6c999d89ee4b 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -84,12 +84,12 @@ static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
#include "hpps2atkbd.h" /* include the keyboard scancodes */
#else
- 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
- 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
- 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
- 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
- 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
- 0, 89, 40, 0, 26, 13, 0,193, 58, 54, 28, 27, 0, 43, 0, 85,
+ 0, 67, 65, 63, 61, 59, 60, 88,183, 68, 66, 64, 62, 15, 41,117,
+ 184, 56, 42, 93, 29, 16, 2, 0,185, 0, 44, 31, 30, 17, 3, 0,
+ 186, 46, 45, 32, 18, 5, 4, 95,187, 57, 47, 33, 20, 19, 6,183,
+ 188, 49, 48, 35, 34, 21, 7,184,189, 0, 50, 36, 22, 8, 9,185,
+ 190, 51, 37, 23, 24, 11, 10, 0,191, 52, 53, 38, 39, 25, 12, 0,
+ 192, 89, 40, 0, 26, 13, 0,193, 58, 54, 28, 27, 0, 43, 0,194,
0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
index 061d48350df6..50e2e792c91d 100644
--- a/drivers/input/keyboard/mtk-pmic-keys.c
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -12,6 +12,7 @@
#include <linux/mfd/mt6331/registers.h>
#include <linux/mfd/mt6357/registers.h>
#include <linux/mfd/mt6358/registers.h>
+#include <linux/mfd/mt6359/registers.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/mfd/mt6397/registers.h>
#include <linux/module.h>
@@ -117,6 +118,19 @@ static const struct mtk_pmic_regs mt6358_regs = {
.rst_lprst_mask = MTK_PMIC_RST_DU_MASK,
};
+static const struct mtk_pmic_regs mt6359_regs = {
+ .keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6359_TOPSTATUS,
+ 0x2, MT6359_PSC_TOP_INT_CON0, 0x5,
+ MTK_PMIC_PWRKEY_RST),
+ .keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6359_TOPSTATUS,
+ 0x8, MT6359_PSC_TOP_INT_CON0, 0xa,
+ MTK_PMIC_HOMEKEY_RST),
+ .pmic_rst_reg = MT6359_TOP_RST_MISC,
+ .rst_lprst_mask = MTK_PMIC_RST_DU_MASK,
+};
+
struct mtk_pmic_keys_info {
struct mtk_pmic_keys *keys;
const struct mtk_pmic_keys_regs *regs;
@@ -297,6 +311,9 @@ static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = {
.compatible = "mediatek,mt6358-keys",
.data = &mt6358_regs,
}, {
+ .compatible = "mediatek,mt6359-keys",
+ .data = &mt6359_regs,
+ }, {
/* sentinel */
}
};
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 9f1049aa3048..17127269e3f0 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -7,6 +7,7 @@
* Author: Donghwa Lee <dh09.lee@samsung.com>
*/
+#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
@@ -29,11 +30,11 @@
#define SAMSUNG_KEYIFFC 0x10
/* SAMSUNG_KEYIFCON */
-#define SAMSUNG_KEYIFCON_INT_F_EN (1 << 0)
-#define SAMSUNG_KEYIFCON_INT_R_EN (1 << 1)
-#define SAMSUNG_KEYIFCON_DF_EN (1 << 2)
-#define SAMSUNG_KEYIFCON_FC_EN (1 << 3)
-#define SAMSUNG_KEYIFCON_WAKEUPEN (1 << 4)
+#define SAMSUNG_KEYIFCON_INT_F_EN BIT(0)
+#define SAMSUNG_KEYIFCON_INT_R_EN BIT(1)
+#define SAMSUNG_KEYIFCON_DF_EN BIT(2)
+#define SAMSUNG_KEYIFCON_FC_EN BIT(3)
+#define SAMSUNG_KEYIFCON_WAKEUPEN BIT(4)
/* SAMSUNG_KEYIFSTSCLR */
#define SAMSUNG_KEYIFSTSCLR_P_INT_MASK (0xff << 0)
@@ -44,8 +45,7 @@
#define S5PV210_KEYIFSTSCLR_R_INT_OFFSET 16
/* SAMSUNG_KEYIFCOL */
-#define SAMSUNG_KEYIFCOL_MASK (0xff << 0)
-#define S5PV210_KEYIFCOLEN_MASK (0xff << 8)
+#define SAMSUNG_KEYIFCOL_MASK 0xff
/* SAMSUNG_KEYIFROW */
#define SAMSUNG_KEYIFROW_MASK (0xff << 0)
@@ -54,12 +54,12 @@
/* SAMSUNG_KEYIFFC */
#define SAMSUNG_KEYIFFC_MASK (0x3ff << 0)
-enum samsung_keypad_type {
- KEYPAD_TYPE_SAMSUNG,
- KEYPAD_TYPE_S5PV210,
+struct samsung_chip_info {
+ unsigned int column_shift;
};
struct samsung_keypad {
+ const struct samsung_chip_info *chip;
struct input_dev *input_dev;
struct platform_device *pdev;
struct clk *clk;
@@ -68,7 +68,6 @@ struct samsung_keypad {
bool stopped;
bool wake_enabled;
int irq;
- enum samsung_keypad_type type;
unsigned int row_shift;
unsigned int rows;
unsigned int cols;
@@ -83,19 +82,14 @@ static void samsung_keypad_scan(struct samsung_keypad *keypad,
unsigned int val;
for (col = 0; col < keypad->cols; col++) {
- if (keypad->type == KEYPAD_TYPE_S5PV210) {
- val = S5PV210_KEYIFCOLEN_MASK;
- val &= ~(1 << col) << 8;
- } else {
- val = SAMSUNG_KEYIFCOL_MASK;
- val &= ~(1 << col);
- }
+ val = SAMSUNG_KEYIFCOL_MASK & ~BIT(col);
+ val <<= keypad->chip->column_shift;
writel(val, keypad->base + SAMSUNG_KEYIFCOL);
mdelay(1);
val = readl(keypad->base + SAMSUNG_KEYIFROW);
- row_state[col] = ~val & ((1 << keypad->rows) - 1);
+ row_state[col] = ~val & GENMASK(keypad->rows - 1, 0);
}
/* KEYIFCOL reg clear */
@@ -119,10 +113,10 @@ static bool samsung_keypad_report(struct samsung_keypad *keypad,
continue;
for (row = 0; row < keypad->rows; row++) {
- if (!(changed & (1 << row)))
+ if (!(changed & BIT(row)))
continue;
- pressed = row_state[col] & (1 << row);
+ pressed = row_state[col] & BIT(row);
dev_dbg(&keypad->input_dev->dev,
"key %s, row: %d, col: %d\n",
@@ -314,11 +308,11 @@ static int samsung_keypad_probe(struct platform_device *pdev)
{
const struct samsung_keypad_platdata *pdata;
const struct matrix_keymap_data *keymap_data;
+ const struct platform_device_id *id;
struct samsung_keypad *keypad;
struct resource *res;
struct input_dev *input_dev;
unsigned int row_shift;
- unsigned int keymap_size;
int error;
pdata = dev_get_platdata(&pdev->dev);
@@ -345,12 +339,16 @@ static int samsung_keypad_probe(struct platform_device *pdev)
pdata->cfg_gpio(pdata->rows, pdata->cols);
row_shift = get_count_order(pdata->cols);
- keymap_size = (pdata->rows << row_shift) * sizeof(keypad->keycodes[0]);
- keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad) + keymap_size,
+ keypad = devm_kzalloc(&pdev->dev,
+ struct_size(keypad, keycodes,
+ pdata->rows << row_shift),
GFP_KERNEL);
+ if (!keypad)
+ return -ENOMEM;
+
input_dev = devm_input_allocate_device(&pdev->dev);
- if (!keypad || !input_dev)
+ if (!input_dev)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -361,18 +359,12 @@ static int samsung_keypad_probe(struct platform_device *pdev)
if (!keypad->base)
return -EBUSY;
- keypad->clk = devm_clk_get(&pdev->dev, "keypad");
+ keypad->clk = devm_clk_get_prepared(&pdev->dev, "keypad");
if (IS_ERR(keypad->clk)) {
dev_err(&pdev->dev, "failed to get keypad clk\n");
return PTR_ERR(keypad->clk);
}
- error = clk_prepare(keypad->clk);
- if (error) {
- dev_err(&pdev->dev, "keypad clock prepare failed\n");
- return error;
- }
-
keypad->input_dev = input_dev;
keypad->pdev = pdev;
keypad->row_shift = row_shift;
@@ -381,15 +373,20 @@ static int samsung_keypad_probe(struct platform_device *pdev)
keypad->stopped = true;
init_waitqueue_head(&keypad->wait);
- if (pdev->dev.of_node)
- keypad->type = of_device_is_compatible(pdev->dev.of_node,
- "samsung,s5pv210-keypad");
- else
- keypad->type = platform_get_device_id(pdev)->driver_data;
+ keypad->chip = device_get_match_data(&pdev->dev);
+ if (!keypad->chip) {
+ id = platform_get_device_id(pdev);
+ if (id)
+ keypad->chip = (const void *)id->driver_data;
+ }
+
+ if (!keypad->chip) {
+ dev_err(&pdev->dev, "Unable to determine chip type");
+ return -EINVAL;
+ }
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
- input_dev->dev.parent = &pdev->dev;
input_dev->open = samsung_keypad_open;
input_dev->close = samsung_keypad_close;
@@ -399,7 +396,7 @@ static int samsung_keypad_probe(struct platform_device *pdev)
keypad->keycodes, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
- goto err_unprepare_clk;
+ return error;
}
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
@@ -411,7 +408,7 @@ static int samsung_keypad_probe(struct platform_device *pdev)
keypad->irq = platform_get_irq(pdev, 0);
if (keypad->irq < 0) {
error = keypad->irq;
- goto err_unprepare_clk;
+ return error;
}
error = devm_request_threaded_irq(&pdev->dev, keypad->irq, NULL,
@@ -419,16 +416,19 @@ static int samsung_keypad_probe(struct platform_device *pdev)
dev_name(&pdev->dev), keypad);
if (error) {
dev_err(&pdev->dev, "failed to register keypad interrupt\n");
- goto err_unprepare_clk;
+ return error;
}
device_init_wakeup(&pdev->dev, pdata->wakeup);
platform_set_drvdata(pdev, keypad);
- pm_runtime_enable(&pdev->dev);
+
+ error = devm_pm_runtime_enable(&pdev->dev);
+ if (error)
+ return error;
error = input_register_device(keypad->input_dev);
if (error)
- goto err_disable_runtime_pm;
+ return error;
if (pdev->dev.of_node) {
devm_kfree(&pdev->dev, (void *)pdata->keymap_data->keymap);
@@ -436,23 +436,6 @@ static int samsung_keypad_probe(struct platform_device *pdev)
devm_kfree(&pdev->dev, (void *)pdata);
}
return 0;
-
-err_disable_runtime_pm:
- pm_runtime_disable(&pdev->dev);
-err_unprepare_clk:
- clk_unprepare(keypad->clk);
- return error;
-}
-
-static void samsung_keypad_remove(struct platform_device *pdev)
-{
- struct samsung_keypad *keypad = platform_get_drvdata(pdev);
-
- pm_runtime_disable(&pdev->dev);
-
- input_unregister_device(keypad->input_dev);
-
- clk_unprepare(keypad->clk);
}
static int samsung_keypad_runtime_suspend(struct device *dev)
@@ -528,15 +511,13 @@ static int samsung_keypad_suspend(struct device *dev)
struct samsung_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
- mutex_lock(&input_dev->mutex);
+ guard(mutex)(&input_dev->mutex);
if (input_device_enabled(input_dev))
samsung_keypad_stop(keypad);
samsung_keypad_toggle_wakeup(keypad, true);
- mutex_unlock(&input_dev->mutex);
-
return 0;
}
@@ -546,15 +527,13 @@ static int samsung_keypad_resume(struct device *dev)
struct samsung_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
- mutex_lock(&input_dev->mutex);
+ guard(mutex)(&input_dev->mutex);
samsung_keypad_toggle_wakeup(keypad, false);
if (input_device_enabled(input_dev))
samsung_keypad_start(keypad);
- mutex_unlock(&input_dev->mutex);
-
return 0;
}
@@ -564,11 +543,24 @@ static const struct dev_pm_ops samsung_keypad_pm_ops = {
samsung_keypad_runtime_resume, NULL)
};
+static const struct samsung_chip_info samsung_s3c6410_chip_info = {
+ .column_shift = 0,
+};
+
+static const struct samsung_chip_info samsung_s5pv210_chip_info = {
+ .column_shift = 8,
+};
+
#ifdef CONFIG_OF
static const struct of_device_id samsung_keypad_dt_match[] = {
- { .compatible = "samsung,s3c6410-keypad" },
- { .compatible = "samsung,s5pv210-keypad" },
- {},
+ {
+ .compatible = "samsung,s3c6410-keypad",
+ .data = &samsung_s3c6410_chip_info,
+ }, {
+ .compatible = "samsung,s5pv210-keypad",
+ .data = &samsung_s5pv210_chip_info,
+ },
+ { }
};
MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match);
#endif
@@ -576,18 +568,17 @@ MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match);
static const struct platform_device_id samsung_keypad_driver_ids[] = {
{
.name = "samsung-keypad",
- .driver_data = KEYPAD_TYPE_SAMSUNG,
+ .driver_data = (kernel_ulong_t)&samsung_s3c6410_chip_info,
}, {
.name = "s5pv210-keypad",
- .driver_data = KEYPAD_TYPE_S5PV210,
+ .driver_data = (kernel_ulong_t)&samsung_s5pv210_chip_info,
},
- { },
+ { }
};
MODULE_DEVICE_TABLE(platform, samsung_keypad_driver_ids);
static struct platform_driver samsung_keypad_driver = {
.probe = samsung_keypad_probe,
- .remove = samsung_keypad_remove,
.driver = {
.name = "samsung-keypad",
.of_match_table = of_match_ptr(samsung_keypad_dt_match),
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index f5496ca0c0d2..0fb21c99a5e3 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -584,13 +584,6 @@ config INPUT_PALMAS_PWRBUTTON
To compile this driver as a module, choose M here. The module will
be called palmas_pwrbutton.
-config INPUT_PCF50633_PMU
- tristate "PCF50633 PMU events"
- depends on MFD_PCF50633
- help
- Say Y to include support for delivering PMU events via input
- layer on NXP PCF50633.
-
config INPUT_PCF8574
tristate "PCF8574 Keypad input device"
depends on I2C
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 6d91804d0a6f..d468c8140b93 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -59,7 +59,6 @@ obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o
obj-$(CONFIG_INPUT_MMA8450) += mma8450.o
obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON) += palmas-pwrbutton.o
obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
-obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_PM8941_PWRKEY) += pm8941-pwrkey.o
diff --git a/drivers/input/misc/cs40l50-vibra.c b/drivers/input/misc/cs40l50-vibra.c
index 330f09123631..7aa7d577e01b 100644
--- a/drivers/input/misc/cs40l50-vibra.c
+++ b/drivers/input/misc/cs40l50-vibra.c
@@ -482,7 +482,6 @@ static int cs40l50_erase(struct input_dev *dev, int effect_id)
static void cs40l50_remove_wq(void *data)
{
- flush_workqueue(data);
destroy_workqueue(data);
}
diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c
index 1dfd7b95a4ce..5d45680d74a4 100644
--- a/drivers/input/misc/max77693-haptic.c
+++ b/drivers/input/misc/max77693-haptic.c
@@ -68,15 +68,16 @@ struct max77693_haptic {
static int max77693_haptic_set_duty_cycle(struct max77693_haptic *haptic)
{
- struct pwm_args pargs;
- int delta;
+ struct pwm_state state;
int error;
- pwm_get_args(haptic->pwm_dev, &pargs);
- delta = (pargs.period + haptic->pwm_duty) / 2;
- error = pwm_config(haptic->pwm_dev, delta, pargs.period);
+ pwm_init_state(haptic->pwm_dev, &state);
+ state.duty_cycle = (state.period + haptic->pwm_duty) / 2;
+
+ error = pwm_apply_might_sleep(haptic->pwm_dev, &state);
if (error) {
- dev_err(haptic->dev, "failed to configure pwm: %d\n", error);
+ dev_err(haptic->dev,
+ "failed to set pwm duty cycle: %d\n", error);
return error;
}
@@ -166,12 +167,17 @@ static int max77693_haptic_lowsys(struct max77693_haptic *haptic, bool enable)
static void max77693_haptic_enable(struct max77693_haptic *haptic)
{
+ struct pwm_state state;
int error;
if (haptic->enabled)
return;
- error = pwm_enable(haptic->pwm_dev);
+ pwm_init_state(haptic->pwm_dev, &state);
+ state.duty_cycle = (state.period + haptic->pwm_duty) / 2;
+ state.enabled = true;
+
+ error = pwm_apply_might_sleep(haptic->pwm_dev, &state);
if (error) {
dev_err(haptic->dev,
"failed to enable haptic pwm device: %d\n", error);
@@ -224,18 +230,13 @@ static void max77693_haptic_play_work(struct work_struct *work)
{
struct max77693_haptic *haptic =
container_of(work, struct max77693_haptic, work);
- int error;
-
- error = max77693_haptic_set_duty_cycle(haptic);
- if (error) {
- dev_err(haptic->dev, "failed to set duty cycle: %d\n", error);
- return;
- }
- if (haptic->magnitude)
- max77693_haptic_enable(haptic);
- else
+ if (!haptic->magnitude)
max77693_haptic_disable(haptic);
+ else if (haptic->enabled)
+ max77693_haptic_set_duty_cycle(haptic);
+ else
+ max77693_haptic_enable(haptic);
}
static int max77693_haptic_play_effect(struct input_dev *dev, void *data,
@@ -340,12 +341,6 @@ static int max77693_haptic_probe(struct platform_device *pdev)
return PTR_ERR(haptic->pwm_dev);
}
- /*
- * FIXME: pwm_apply_args() should be removed when switching to the
- * atomic PWM API.
- */
- pwm_apply_args(haptic->pwm_dev);
-
haptic->motor_reg = devm_regulator_get(&pdev->dev, "haptic");
if (IS_ERR(haptic->motor_reg)) {
dev_err(&pdev->dev, "failed to get regulator\n");
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index f97f341ee0bb..d5e051a25a74 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -53,40 +53,30 @@ struct max8997_haptic {
unsigned int pattern_signal_period;
};
-static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip)
+static void max8997_haptic_set_internal_duty_cycle(struct max8997_haptic *chip)
{
- int ret = 0;
+ u8 duty_index = DIV_ROUND_UP(chip->level * 64, 100);
- if (chip->mode == MAX8997_EXTERNAL_MODE) {
- unsigned int duty = chip->pwm_period * chip->level / 100;
- ret = pwm_config(chip->pwm, duty, chip->pwm_period);
- } else {
- u8 duty_index = 0;
-
- duty_index = DIV_ROUND_UP(chip->level * 64, 100);
-
- switch (chip->internal_mode_pattern) {
- case 0:
- max8997_write_reg(chip->client,
- MAX8997_HAPTIC_REG_SIGPWMDC1, duty_index);
- break;
- case 1:
- max8997_write_reg(chip->client,
- MAX8997_HAPTIC_REG_SIGPWMDC2, duty_index);
- break;
- case 2:
- max8997_write_reg(chip->client,
- MAX8997_HAPTIC_REG_SIGPWMDC3, duty_index);
- break;
- case 3:
- max8997_write_reg(chip->client,
- MAX8997_HAPTIC_REG_SIGPWMDC4, duty_index);
- break;
- default:
- break;
- }
+ switch (chip->internal_mode_pattern) {
+ case 0:
+ max8997_write_reg(chip->client,
+ MAX8997_HAPTIC_REG_SIGPWMDC1, duty_index);
+ break;
+ case 1:
+ max8997_write_reg(chip->client,
+ MAX8997_HAPTIC_REG_SIGPWMDC2, duty_index);
+ break;
+ case 2:
+ max8997_write_reg(chip->client,
+ MAX8997_HAPTIC_REG_SIGPWMDC3, duty_index);
+ break;
+ case 3:
+ max8997_write_reg(chip->client,
+ MAX8997_HAPTIC_REG_SIGPWMDC4, duty_index);
+ break;
+ default:
+ break;
}
- return ret;
}
static void max8997_haptic_configure(struct max8997_haptic *chip)
@@ -155,11 +145,8 @@ static void max8997_haptic_enable(struct max8997_haptic *chip)
guard(mutex)(&chip->mutex);
- error = max8997_haptic_set_duty_cycle(chip);
- if (error) {
- dev_err(chip->dev, "set_pwm_cycle failed, error: %d\n", error);
- return;
- }
+ if (chip->mode != MAX8997_EXTERNAL_MODE)
+ max8997_haptic_set_internal_duty_cycle(chip);
if (!chip->enabled) {
error = regulator_enable(chip->regulator);
@@ -168,16 +155,32 @@ static void max8997_haptic_enable(struct max8997_haptic *chip)
return;
}
max8997_haptic_configure(chip);
- if (chip->mode == MAX8997_EXTERNAL_MODE) {
- error = pwm_enable(chip->pwm);
- if (error) {
- dev_err(chip->dev, "Failed to enable PWM\n");
- regulator_disable(chip->regulator);
- return;
- }
+ }
+
+ /*
+ * It would be more straight forward to configure the external PWM
+ * earlier i.e. when the internal duty_cycle is setup in internal mode.
+ * But historically this is done only after the regulator was enabled
+ * and max8997_haptic_configure() set the enable bit in
+ * MAX8997_HAPTIC_REG_CONF2. So better keep it this way.
+ */
+ if (chip->mode == MAX8997_EXTERNAL_MODE) {
+ struct pwm_state state;
+
+ pwm_init_state(chip->pwm, &state);
+ state.period = chip->pwm_period;
+ state.duty_cycle = chip->pwm_period * chip->level / 100;
+ state.enabled = true;
+
+ error = pwm_apply_might_sleep(chip->pwm, &state);
+ if (error) {
+ dev_err(chip->dev, "Failed to enable PWM\n");
+ regulator_disable(chip->regulator);
+ return;
}
- chip->enabled = true;
}
+
+ chip->enabled = true;
}
static void max8997_haptic_disable(struct max8997_haptic *chip)
@@ -282,11 +285,6 @@ static int max8997_haptic_probe(struct platform_device *pdev)
goto err_free_mem;
}
- /*
- * FIXME: pwm_apply_args() should be removed when switching to
- * the atomic PWM API.
- */
- pwm_apply_args(chip->pwm);
break;
default:
diff --git a/drivers/input/misc/pcf50633-input.c b/drivers/input/misc/pcf50633-input.c
deleted file mode 100644
index 6d046e236ba6..000000000000
--- a/drivers/input/misc/pcf50633-input.c
+++ /dev/null
@@ -1,113 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* NXP PCF50633 Input Driver
- *
- * (C) 2006-2008 by Openmoko, Inc.
- * Author: Balaji Rao <balajirrao@openmoko.org>
- * All rights reserved.
- *
- * Broken down from monstrous PCF50633 driver mainly by
- * Harald Welte, Andy Green and Werner Almesberger
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/input.h>
-#include <linux/slab.h>
-
-#include <linux/mfd/pcf50633/core.h>
-
-#define PCF50633_OOCSTAT_ONKEY 0x01
-#define PCF50633_REG_OOCSTAT 0x12
-#define PCF50633_REG_OOCMODE 0x10
-
-struct pcf50633_input {
- struct pcf50633 *pcf;
- struct input_dev *input_dev;
-};
-
-static void
-pcf50633_input_irq(int irq, void *data)
-{
- struct pcf50633_input *input;
- int onkey_released;
-
- input = data;
-
- /* We report only one event depending on the key press status */
- onkey_released = pcf50633_reg_read(input->pcf, PCF50633_REG_OOCSTAT)
- & PCF50633_OOCSTAT_ONKEY;
-
- if (irq == PCF50633_IRQ_ONKEYF && !onkey_released)
- input_report_key(input->input_dev, KEY_POWER, 1);
- else if (irq == PCF50633_IRQ_ONKEYR && onkey_released)
- input_report_key(input->input_dev, KEY_POWER, 0);
-
- input_sync(input->input_dev);
-}
-
-static int pcf50633_input_probe(struct platform_device *pdev)
-{
- struct pcf50633_input *input;
- struct input_dev *input_dev;
- int ret;
-
-
- input = kzalloc(sizeof(*input), GFP_KERNEL);
- if (!input)
- return -ENOMEM;
-
- input_dev = input_allocate_device();
- if (!input_dev) {
- kfree(input);
- return -ENOMEM;
- }
-
- platform_set_drvdata(pdev, input);
- input->pcf = dev_to_pcf50633(pdev->dev.parent);
- input->input_dev = input_dev;
-
- input_dev->name = "PCF50633 PMU events";
- input_dev->id.bustype = BUS_I2C;
- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
- set_bit(KEY_POWER, input_dev->keybit);
-
- ret = input_register_device(input_dev);
- if (ret) {
- input_free_device(input_dev);
- kfree(input);
- return ret;
- }
- pcf50633_register_irq(input->pcf, PCF50633_IRQ_ONKEYR,
- pcf50633_input_irq, input);
- pcf50633_register_irq(input->pcf, PCF50633_IRQ_ONKEYF,
- pcf50633_input_irq, input);
-
- return 0;
-}
-
-static void pcf50633_input_remove(struct platform_device *pdev)
-{
- struct pcf50633_input *input = platform_get_drvdata(pdev);
-
- pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYR);
- pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYF);
-
- input_unregister_device(input->input_dev);
- kfree(input);
-}
-
-static struct platform_driver pcf50633_input_driver = {
- .driver = {
- .name = "pcf50633-input",
- },
- .probe = pcf50633_input_probe,
- .remove = pcf50633_input_remove,
-};
-module_platform_driver(pcf50633_input_driver);
-
-MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
-MODULE_DESCRIPTION("PCF50633 input driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:pcf50633-input");
diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig
index c0163b983ce6..5db58fc9e11b 100644
--- a/drivers/input/rmi4/Kconfig
+++ b/drivers/input/rmi4/Kconfig
@@ -82,6 +82,21 @@ config RMI4_F12
touchpads. For sensors that support relative pointing, F12 also
provides mouse input.
+config RMI4_F1A
+ bool "RMI4 Function 1A (0D pointing)"
+ help
+ Say Y here if you want to add support for RMI4 function 1A.
+
+ Function 1A provides capacitive keys support for RMI4 devices.
+
+config RMI4_F21
+ bool "RMI4 Function 21 (PRESSURE)"
+ help
+ Say Y here if you want to add support for RMI4 function 21.
+
+ Function 21 provides buttons/pressure handling for RMI4 devices.
+ This includes support for buttons/pressure on PressurePad.
+
config RMI4_F30
bool "RMI4 Function 30 (GPIO LED)"
help
diff --git a/drivers/input/rmi4/Makefile b/drivers/input/rmi4/Makefile
index 02f14c846861..35ae29f72497 100644
--- a/drivers/input/rmi4/Makefile
+++ b/drivers/input/rmi4/Makefile
@@ -8,6 +8,8 @@ rmi_core-$(CONFIG_RMI4_2D_SENSOR) += rmi_2d_sensor.o
rmi_core-$(CONFIG_RMI4_F03) += rmi_f03.o
rmi_core-$(CONFIG_RMI4_F11) += rmi_f11.o
rmi_core-$(CONFIG_RMI4_F12) += rmi_f12.o
+rmi_core-$(CONFIG_RMI4_F1A) += rmi_f1a.o
+rmi_core-$(CONFIG_RMI4_F21) += rmi_f21.o
rmi_core-$(CONFIG_RMI4_F30) += rmi_f30.o
rmi_core-$(CONFIG_RMI4_F34) += rmi_f34.o rmi_f34v7.o
rmi_core-$(CONFIG_RMI4_F3A) += rmi_f3a.o
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index 3aee04837205..5f98c3bcfd46 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -360,6 +360,12 @@ static struct rmi_function_handler *fn_handlers[] = {
#ifdef CONFIG_RMI4_F12
&rmi_f12_handler,
#endif
+#ifdef CONFIG_RMI4_F1A
+ &rmi_f1a_handler,
+#endif
+#ifdef CONFIG_RMI4_F21
+ &rmi_f21_handler,
+#endif
#ifdef CONFIG_RMI4_F30
&rmi_f30_handler,
#endif
diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index 3bfe9013043e..e84495caab15 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -133,6 +133,8 @@ extern struct rmi_function_handler rmi_f01_handler;
extern struct rmi_function_handler rmi_f03_handler;
extern struct rmi_function_handler rmi_f11_handler;
extern struct rmi_function_handler rmi_f12_handler;
+extern struct rmi_function_handler rmi_f1a_handler;
+extern struct rmi_function_handler rmi_f21_handler;
extern struct rmi_function_handler rmi_f30_handler;
extern struct rmi_function_handler rmi_f34_handler;
extern struct rmi_function_handler rmi_f3a_handler;
diff --git a/drivers/input/rmi4/rmi_f1a.c b/drivers/input/rmi4/rmi_f1a.c
new file mode 100644
index 000000000000..765e9eae4cdc
--- /dev/null
+++ b/drivers/input/rmi4/rmi_f1a.c
@@ -0,0 +1,143 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2025 André Apitzsch <git@apitzsch.eu>
+ */
+
+#include <linux/input.h>
+#include <linux/property.h>
+#include "rmi_driver.h"
+
+struct f1a_data {
+ struct input_dev *input;
+
+ u32 *keymap;
+ unsigned int num_keys;
+};
+
+static int rmi_f1a_parse_device_properties(struct rmi_function *fn, struct f1a_data *f1a)
+{
+ static const char buttons_property[] = "linux,keycodes";
+ struct device *dev = &fn->dev;
+ u32 *buttonmap;
+ int n_keys;
+ int error;
+
+ if (!device_property_present(dev, buttons_property))
+ return 0;
+
+ n_keys = device_property_count_u32(dev, buttons_property);
+ if (n_keys <= 0) {
+ error = n_keys < 0 ? n_keys : -EINVAL;
+ dev_err(dev, "Invalid/malformed '%s' property: %d\n",
+ buttons_property, error);
+ return error;
+ }
+
+ buttonmap = devm_kmalloc_array(dev, n_keys, sizeof(*buttonmap),
+ GFP_KERNEL);
+ if (!buttonmap)
+ return -ENOMEM;
+
+ error = device_property_read_u32_array(dev, buttons_property,
+ buttonmap, n_keys);
+ if (error) {
+ dev_err(dev, "Failed to parse '%s' property: %d\n",
+ buttons_property, error);
+ return error;
+ }
+
+ f1a->keymap = buttonmap;
+ f1a->num_keys = n_keys;
+
+ return 0;
+}
+
+static irqreturn_t rmi_f1a_attention(int irq, void *ctx)
+{
+ struct rmi_function *fn = ctx;
+ struct f1a_data *f1a = dev_get_drvdata(&fn->dev);
+ char button_bitmask;
+ int key;
+ int error;
+
+ error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr,
+ &button_bitmask, sizeof(button_bitmask));
+ if (error) {
+ dev_err(&fn->dev, "Failed to read object data. Code: %d.\n",
+ error);
+ return IRQ_RETVAL(error);
+ }
+
+ for (key = 0; key < f1a->num_keys; key++)
+ input_report_key(f1a->input, f1a->keymap[key],
+ button_bitmask & BIT(key));
+
+ return IRQ_HANDLED;
+}
+
+static int rmi_f1a_config(struct rmi_function *fn)
+{
+ struct f1a_data *f1a = dev_get_drvdata(&fn->dev);
+ struct rmi_driver *drv = fn->rmi_dev->driver;
+
+ if (f1a->num_keys)
+ drv->set_irq_bits(fn->rmi_dev, fn->irq_mask);
+
+ return 0;
+}
+
+static int rmi_f1a_initialize(struct rmi_function *fn, struct f1a_data *f1a)
+{
+ int error;
+ int i;
+
+ error = rmi_f1a_parse_device_properties(fn, f1a);
+ if (error)
+ return error;
+
+ for (i = 0; i < f1a->num_keys; i++)
+ input_set_capability(f1a->input, EV_KEY, f1a->keymap[i]);
+
+ f1a->input->keycode = f1a->keymap;
+ f1a->input->keycodemax = f1a->num_keys;
+ f1a->input->keycodesize = sizeof(f1a->keymap[0]);
+
+ return 0;
+}
+
+static int rmi_f1a_probe(struct rmi_function *fn)
+{
+ struct rmi_device *rmi_dev = fn->rmi_dev;
+ struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);
+ struct f1a_data *f1a;
+ int error;
+
+ if (!drv_data->input) {
+ dev_info(&fn->dev, "F1A: no input device found, ignoring\n");
+ return -ENXIO;
+ }
+
+ f1a = devm_kzalloc(&fn->dev, sizeof(*f1a), GFP_KERNEL);
+ if (!f1a)
+ return -ENOMEM;
+
+ f1a->input = drv_data->input;
+
+ error = rmi_f1a_initialize(fn, f1a);
+ if (error)
+ return error;
+
+ dev_set_drvdata(&fn->dev, f1a);
+
+ return 0;
+}
+
+struct rmi_function_handler rmi_f1a_handler = {
+ .driver = {
+ .name = "rmi4_f1a",
+ },
+ .func = 0x1a,
+ .probe = rmi_f1a_probe,
+ .config = rmi_f1a_config,
+ .attention = rmi_f1a_attention,
+};
diff --git a/drivers/input/rmi4/rmi_f21.c b/drivers/input/rmi4/rmi_f21.c
new file mode 100644
index 000000000000..e3a9dfc3f0ec
--- /dev/null
+++ b/drivers/input/rmi4/rmi_f21.c
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2012-2025 Synaptics Incorporated
+ */
+
+#include <linux/bits.h>
+#include <linux/dev_printk.h>
+#include <linux/kernel.h>
+#include <linux/rmi.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include "rmi_driver.h"
+
+#define RMI_F21_SENSOR_COUNT_MASK GENMASK(3, 0)
+#define RMI_F21_FINGER_COUNT_PRESENT BIT(5)
+#define RMI_F21_NEW_REPORT_FORMAT BIT(6)
+
+#define RMI_F21_FINGER_COUNT_MASK GENMASK(3, 0)
+
+#define RMI_F21_MAX_SENSORS 16
+#define RMI_F21_MAX_FINGERS 16
+#define RMI_F21_DATA_REGS_MAX_SIZE (RMI_F21_MAX_SENSORS * 2 + \
+ RMI_F21_MAX_FINGERS * 2 + 1)
+
+#define RMI_F21_FORCE_CLICK_BIT BIT(0)
+
+#define RMI_F21_FORCEPAD_BUTTON_COUNT 1
+
+struct f21_data {
+ struct input_dev *input;
+ u16 key_code;
+
+ unsigned int attn_data_size;
+ unsigned int attn_data_button_offset;
+
+ unsigned int data_reg_size;
+ unsigned int data_reg_button_offset;
+ u8 data_regs[RMI_F21_DATA_REGS_MAX_SIZE];
+};
+
+static irqreturn_t rmi_f21_attention(int irq, void *ctx)
+{
+ struct rmi_function *fn = ctx;
+ struct f21_data *f21 = dev_get_drvdata(&fn->dev);
+ struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
+ u8 *pdata;
+ int error;
+ bool pressed;
+
+ if (drvdata->attn_data.data) {
+ if (drvdata->attn_data.size < f21->attn_data_size) {
+ dev_warn(&fn->dev, "f21 interrupt, but data is missing\n");
+ return IRQ_HANDLED;
+ }
+
+ pdata = drvdata->attn_data.data + f21->attn_data_button_offset;
+
+ drvdata->attn_data.data += f21->attn_data_size;
+ drvdata->attn_data.size -= f21->attn_data_size;
+ } else {
+ error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr,
+ f21->data_regs, f21->data_reg_size);
+ if (error) {
+ dev_err(&fn->dev, "failed to read f21 data registers: %d\n",
+ error);
+ return IRQ_RETVAL(error);
+ }
+
+ pdata = f21->data_regs + f21->data_reg_button_offset;
+ }
+
+ pressed = *pdata & RMI_F21_FORCE_CLICK_BIT;
+ input_report_key(f21->input, f21->key_code, pressed);
+
+ return IRQ_HANDLED;
+}
+
+static int rmi_f21_config(struct rmi_function *fn)
+{
+ struct rmi_driver *drv = fn->rmi_dev->driver;
+
+ drv->set_irq_bits(fn->rmi_dev, fn->irq_mask);
+
+ return 0;
+}
+
+static int rmi_f21_initialize(struct rmi_function *fn, struct f21_data *f21)
+{
+ struct input_dev *input = f21->input;
+
+ f21->key_code = BTN_LEFT;
+
+ input->keycode = &f21->key_code;
+ input->keycodesize = sizeof(f21->key_code);
+ input->keycodemax = RMI_F21_FORCEPAD_BUTTON_COUNT;
+
+ input_set_capability(input, EV_KEY, f21->key_code);
+ __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
+
+ return 0;
+}
+
+static int rmi_f21_probe(struct rmi_function *fn)
+{
+ struct rmi_device *rmi_dev = fn->rmi_dev;
+ struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);
+ struct f21_data *f21;
+ unsigned int sensor_count;
+ unsigned int max_fingers;
+ unsigned int query15_offset;
+ u8 query15_data;
+ int error;
+
+ if (!drv_data->input) {
+ dev_info(&fn->dev, "f21: no input device found, ignoring\n");
+ return -ENXIO;
+ }
+
+ f21 = devm_kzalloc(&fn->dev, sizeof(*f21), GFP_KERNEL);
+ if (!f21)
+ return -ENOMEM;
+
+ f21->input = drv_data->input;
+
+ error = rmi_f21_initialize(fn, f21);
+ if (error)
+ return error;
+
+ dev_set_drvdata(&fn->dev, f21);
+
+ sensor_count = fn->fd.query_base_addr & RMI_F21_SENSOR_COUNT_MASK;
+ if (fn->fd.query_base_addr & RMI_F21_FINGER_COUNT_PRESENT) {
+ query15_offset = fn->fd.query_base_addr & RMI_F21_NEW_REPORT_FORMAT ? 2 : 1;
+ error = rmi_read_block(fn->rmi_dev,
+ fn->fd.query_base_addr + query15_offset,
+ &query15_data, sizeof(query15_data));
+ if (error)
+ return dev_err_probe(&fn->dev, error,
+ "failed to read 'query15' data");
+
+ max_fingers = query15_data & RMI_F21_FINGER_COUNT_MASK;
+ } else {
+ max_fingers = 5;
+ }
+
+ if (fn->fd.query_base_addr & RMI_F21_NEW_REPORT_FORMAT) {
+ /* Each finger uses one byte, and the button state uses one byte.*/
+ f21->attn_data_size = max_fingers + 1;
+ f21->attn_data_button_offset = f21->attn_data_size - 1;
+ /*
+ * Each sensor uses two bytes, the button state uses one byte,
+ * and each finger uses two bytes.
+ */
+ f21->data_reg_size = sensor_count * 2 + 1 + max_fingers * 2;
+ f21->data_reg_button_offset = sensor_count * 2;
+ } else {
+ /*
+ * Regardless of the transport each finger uses two bytes,
+ * and the button state uses one byte.
+ */
+ f21->attn_data_size = sensor_count * 2 + 1;
+ f21->attn_data_button_offset = sensor_count * 2;
+
+ f21->data_reg_size = f21->attn_data_size;
+ f21->data_reg_button_offset = f21->attn_data_button_offset;
+ }
+
+ return 0;
+}
+
+struct rmi_function_handler rmi_f21_handler = {
+ .driver = {
+ .name = "rmi4_f21",
+ },
+ .func = 0x21,
+ .probe = rmi_f21_probe,
+ .config = rmi_f21_config,
+ .attention = rmi_f21_attention,
+};
diff --git a/drivers/input/touch-overlay.c b/drivers/input/touch-overlay.c
new file mode 100644
index 000000000000..8806373f7a4a
--- /dev/null
+++ b/drivers/input/touch-overlay.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Helper functions for overlay objects on touchscreens
+ *
+ * Copyright (c) 2023 Javier Carrasco <javier.carrasco@wolfvision.net>
+ */
+
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/input/touch-overlay.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/property.h>
+
+struct touch_overlay_segment {
+ struct list_head list;
+ u32 x_origin;
+ u32 y_origin;
+ u32 x_size;
+ u32 y_size;
+ u32 key;
+ bool pressed;
+ int slot;
+};
+
+static int touch_overlay_get_segment(struct fwnode_handle *segment_node,
+ struct touch_overlay_segment *segment,
+ struct input_dev *input)
+{
+ int error;
+
+ error = fwnode_property_read_u32(segment_node, "x-origin",
+ &segment->x_origin);
+ if (error)
+ return error;
+
+ error = fwnode_property_read_u32(segment_node, "y-origin",
+ &segment->y_origin);
+ if (error)
+ return error;
+
+ error = fwnode_property_read_u32(segment_node, "x-size",
+ &segment->x_size);
+ if (error)
+ return error;
+
+ error = fwnode_property_read_u32(segment_node, "y-size",
+ &segment->y_size);
+ if (error)
+ return error;
+
+ error = fwnode_property_read_u32(segment_node, "linux,code",
+ &segment->key);
+ if (!error)
+ input_set_capability(input, EV_KEY, segment->key);
+ else if (error != -EINVAL)
+ return error;
+
+ return 0;
+}
+
+/**
+ * touch_overlay_map - map overlay objects from the device tree and set
+ * key capabilities if buttons are defined.
+ * @list: pointer to the list that will hold the segments
+ * @input: pointer to the already allocated input_dev
+ *
+ * Returns 0 on success and error number otherwise.
+ *
+ * If buttons are defined, key capabilities are set accordingly.
+ */
+int touch_overlay_map(struct list_head *list, struct input_dev *input)
+{
+ struct fwnode_handle *fw_segment;
+ struct device *dev = input->dev.parent;
+ struct touch_overlay_segment *segment;
+ int error;
+
+ struct fwnode_handle *overlay __free(fwnode_handle) =
+ device_get_named_child_node(dev, "touch-overlay");
+ if (!overlay)
+ return 0;
+
+ fwnode_for_each_available_child_node(overlay, fw_segment) {
+ segment = devm_kzalloc(dev, sizeof(*segment), GFP_KERNEL);
+ if (!segment) {
+ fwnode_handle_put(fw_segment);
+ return -ENOMEM;
+ }
+ error = touch_overlay_get_segment(fw_segment, segment, input);
+ if (error) {
+ fwnode_handle_put(fw_segment);
+ return error;
+ }
+ list_add_tail(&segment->list, list);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(touch_overlay_map);
+
+/**
+ * touch_overlay_get_touchscreen_abs - get abs size from the touchscreen area.
+ * @list: pointer to the list that holds the segments
+ * @x: horizontal abs
+ * @y: vertical abs
+ */
+void touch_overlay_get_touchscreen_abs(struct list_head *list, u16 *x, u16 *y)
+{
+ struct touch_overlay_segment *segment;
+ struct list_head *ptr;
+
+ list_for_each(ptr, list) {
+ segment = list_entry(ptr, struct touch_overlay_segment, list);
+ if (!segment->key) {
+ *x = segment->x_size - 1;
+ *y = segment->y_size - 1;
+ break;
+ }
+ }
+}
+EXPORT_SYMBOL(touch_overlay_get_touchscreen_abs);
+
+static bool touch_overlay_segment_event(struct touch_overlay_segment *seg,
+ struct input_mt_pos *pos)
+{
+ if (pos->x >= seg->x_origin && pos->x < (seg->x_origin + seg->x_size) &&
+ pos->y >= seg->y_origin && pos->y < (seg->y_origin + seg->y_size))
+ return true;
+
+ return false;
+}
+
+/**
+ * touch_overlay_mapped_touchscreen - check if a touchscreen area is mapped
+ * @list: pointer to the list that holds the segments
+ *
+ * Returns true if a touchscreen area is mapped or false otherwise.
+ */
+bool touch_overlay_mapped_touchscreen(struct list_head *list)
+{
+ struct touch_overlay_segment *segment;
+ struct list_head *ptr;
+
+ list_for_each(ptr, list) {
+ segment = list_entry(ptr, struct touch_overlay_segment, list);
+ if (!segment->key)
+ return true;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(touch_overlay_mapped_touchscreen);
+
+static bool touch_overlay_event_on_ts(struct list_head *list,
+ struct input_mt_pos *pos)
+{
+ struct touch_overlay_segment *segment;
+ struct list_head *ptr;
+
+ list_for_each(ptr, list) {
+ segment = list_entry(ptr, struct touch_overlay_segment, list);
+ if (segment->key)
+ continue;
+
+ if (touch_overlay_segment_event(segment, pos)) {
+ pos->x -= segment->x_origin;
+ pos->y -= segment->y_origin;
+ return true;
+ }
+ /* ignore touch events outside the defined area */
+ return false;
+ }
+
+ return true;
+}
+
+static bool touch_overlay_button_event(struct input_dev *input,
+ struct touch_overlay_segment *segment,
+ struct input_mt_pos *pos, int slot)
+{
+ struct input_mt *mt = input->mt;
+ struct input_mt_slot *s = &mt->slots[slot];
+ bool button_contact = touch_overlay_segment_event(segment, pos);
+
+ if (segment->slot == slot && segment->pressed) {
+ /* sliding out of the button releases it */
+ if (!button_contact) {
+ input_report_key(input, segment->key, false);
+ segment->pressed = false;
+ /* keep available for a possible touch event */
+ return false;
+ }
+ /* ignore sliding on the button while pressed */
+ s->frame = mt->frame;
+ return true;
+ } else if (button_contact) {
+ input_report_key(input, segment->key, true);
+ s->frame = mt->frame;
+ segment->slot = slot;
+ segment->pressed = true;
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * touch_overlay_sync_frame - update the status of the segments and report
+ * buttons whose tracked slot is unused.
+ * @list: pointer to the list that holds the segments
+ * @input: pointer to the input device associated to the contact
+ */
+void touch_overlay_sync_frame(struct list_head *list, struct input_dev *input)
+{
+ struct touch_overlay_segment *segment;
+ struct input_mt *mt = input->mt;
+ struct input_mt_slot *s;
+ struct list_head *ptr;
+
+ list_for_each(ptr, list) {
+ segment = list_entry(ptr, struct touch_overlay_segment, list);
+ if (!segment->key)
+ continue;
+
+ s = &mt->slots[segment->slot];
+ if (!input_mt_is_used(mt, s) && segment->pressed) {
+ input_report_key(input, segment->key, false);
+ segment->pressed = false;
+ }
+ }
+}
+EXPORT_SYMBOL(touch_overlay_sync_frame);
+
+/**
+ * touch_overlay_process_contact - process contacts according to the overlay
+ * mapping. This function acts as a filter to release the calling driver
+ * from the contacts that are either related to overlay buttons or out of the
+ * overlay touchscreen area, if defined.
+ * @list: pointer to the list that holds the segments
+ * @input: pointer to the input device associated to the contact
+ * @pos: pointer to the contact position
+ * @slot: slot associated to the contact (0 if multitouch is not supported)
+ *
+ * Returns true if the contact was processed (reported for valid key events
+ * and dropped for contacts outside the overlay touchscreen area) or false
+ * if the contact must be processed by the caller. In that case this function
+ * shifts the (x,y) coordinates to the overlay touchscreen axis if required.
+ */
+bool touch_overlay_process_contact(struct list_head *list,
+ struct input_dev *input,
+ struct input_mt_pos *pos, int slot)
+{
+ struct touch_overlay_segment *segment;
+ struct list_head *ptr;
+
+ /*
+ * buttons must be prioritized over overlay touchscreens to account for
+ * overlappings e.g. a button inside the touchscreen area.
+ */
+ list_for_each(ptr, list) {
+ segment = list_entry(ptr, struct touch_overlay_segment, list);
+ if (segment->key &&
+ touch_overlay_button_event(input, segment, pos, slot))
+ return true;
+ }
+
+ /*
+ * valid contacts on the overlay touchscreen are left for the client
+ * to be processed/reported according to its (possibly) unique features.
+ */
+ return !touch_overlay_event_on_ts(list, pos);
+}
+EXPORT_SYMBOL(touch_overlay_process_contact);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Helper functions for overlay objects on touch devices");
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index f9db5cefb25b..d2a3a5e016b6 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -444,10 +444,11 @@ static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
return !!(val & AD7879_GPIO_DATA);
}
-static void ad7879_gpio_set_value(struct gpio_chip *chip,
- unsigned gpio, int value)
+static int ad7879_gpio_set_value(struct gpio_chip *chip, unsigned int gpio,
+ int value)
{
struct ad7879 *ts = gpiochip_get_data(chip);
+ int ret;
mutex_lock(&ts->mutex);
if (value)
@@ -455,8 +456,10 @@ static void ad7879_gpio_set_value(struct gpio_chip *chip,
else
ts->cmd_crtl2 &= ~AD7879_GPIO_DATA;
- ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
+ ret = ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
mutex_unlock(&ts->mutex);
+
+ return ret;
}
static int ad7879_gpio_add(struct ad7879 *ts)
@@ -472,7 +475,7 @@ static int ad7879_gpio_add(struct ad7879 *ts)
ts->gc.direction_input = ad7879_gpio_direction_input;
ts->gc.direction_output = ad7879_gpio_direction_output;
ts->gc.get = ad7879_gpio_get_value;
- ts->gc.set = ad7879_gpio_set_value;
+ ts->gc.set_rv = ad7879_gpio_set_value;
ts->gc.can_sleep = 1;
ts->gc.base = -1;
ts->gc.ngpio = 1;
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 0d7bf18e2508..bf498bd4dea9 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -120,7 +120,6 @@ struct edt_ft5x06_ts_data {
struct regmap *regmap;
#if defined(CONFIG_DEBUG_FS)
- struct dentry *debug_dir;
u8 *raw_buffer;
size_t raw_bufsize;
#endif
@@ -815,23 +814,21 @@ static const struct file_operations debugfs_raw_data_fops = {
.read = edt_ft5x06_debugfs_raw_data_read,
};
-static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
- tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL);
+ struct dentry *debug_dir = tsdata->client->debugfs;
- debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x);
- debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y);
+ debugfs_create_u16("num_x", S_IRUSR, debug_dir, &tsdata->num_x);
+ debugfs_create_u16("num_y", S_IRUSR, debug_dir, &tsdata->num_y);
debugfs_create_file("mode", S_IRUSR | S_IWUSR,
- tsdata->debug_dir, tsdata, &debugfs_mode_fops);
+ debug_dir, tsdata, &debugfs_mode_fops);
debugfs_create_file("raw_data", S_IRUSR,
- tsdata->debug_dir, tsdata, &debugfs_raw_data_fops);
+ debug_dir, tsdata, &debugfs_raw_data_fops);
}
static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
- debugfs_remove_recursive(tsdata->debug_dir);
kfree(tsdata->raw_buffer);
}
@@ -842,8 +839,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)
return -ENOSYS;
}
-static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
}
@@ -1349,7 +1345,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client)
if (error)
return error;
- edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));
+ edt_ft5x06_ts_prepare_debugfs(tsdata);
dev_dbg(&client->dev,
"EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n",
@@ -1495,6 +1491,10 @@ static const struct edt_i2c_chip_data edt_ft8201_data = {
.max_support_points = 10,
};
+static const struct edt_i2c_chip_data edt_ft8716_data = {
+ .max_support_points = 10,
+};
+
static const struct edt_i2c_chip_data edt_ft8719_data = {
.max_support_points = 10,
};
@@ -1507,6 +1507,7 @@ static const struct i2c_device_id edt_ft5x06_ts_id[] = {
/* Note no edt- prefix for compatibility with the ft6236.c driver */
{ .name = "ft6236", .driver_data = (long)&edt_ft6236_data },
{ .name = "ft8201", .driver_data = (long)&edt_ft8201_data },
+ { .name = "ft8716", .driver_data = (long)&edt_ft8716_data },
{ .name = "ft8719", .driver_data = (long)&edt_ft8719_data },
{ /* sentinel */ }
};
@@ -1523,6 +1524,7 @@ static const struct of_device_id edt_ft5x06_of_match[] = {
/* Note focaltech vendor prefix for compatibility with ft6236.c */
{ .compatible = "focaltech,ft6236", .data = &edt_ft6236_data },
{ .compatible = "focaltech,ft8201", .data = &edt_ft8201_data },
+ { .compatible = "focaltech,ft8716", .data = &edt_ft8716_data },
{ .compatible = "focaltech,ft8719", .data = &edt_ft8719_data },
{ /* sentinel */ }
};
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index a3e8a51c9144..252dcae039f8 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -44,9 +44,11 @@
#define GOODIX_HAVE_KEY BIT(4)
#define GOODIX_BUFFER_STATUS_TIMEOUT 20
-#define RESOLUTION_LOC 1
-#define MAX_CONTACTS_LOC 5
-#define TRIGGER_LOC 6
+#define RESOLUTION_LOC 1
+#define MAX_CONTACTS_LOC 5
+#define TRIGGER_LOC 6
+
+#define GOODIX_POLL_INTERVAL_MS 17 /* 17ms = 60fps */
/* Our special handling for GPIO accesses through ACPI is x86 specific */
#if defined CONFIG_X86 && defined CONFIG_ACPI
@@ -497,6 +499,14 @@ sync:
input_sync(ts->input_dev);
}
+static void goodix_ts_work_i2c_poll(struct input_dev *input)
+{
+ struct goodix_ts_data *ts = input_get_drvdata(input);
+
+ goodix_process_events(ts);
+ goodix_i2c_write_u8(ts->client, GOODIX_READ_COOR_ADDR, 0);
+}
+
/**
* goodix_ts_irq_handler - The IRQ handler
*
@@ -513,13 +523,29 @@ static irqreturn_t goodix_ts_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static void goodix_enable_irq(struct goodix_ts_data *ts)
+{
+ if (ts->client->irq)
+ enable_irq(ts->client->irq);
+}
+
+static void goodix_disable_irq(struct goodix_ts_data *ts)
+{
+ if (ts->client->irq)
+ disable_irq(ts->client->irq);
+}
+
static void goodix_free_irq(struct goodix_ts_data *ts)
{
- devm_free_irq(&ts->client->dev, ts->client->irq, ts);
+ if (ts->client->irq)
+ devm_free_irq(&ts->client->dev, ts->client->irq, ts);
}
static int goodix_request_irq(struct goodix_ts_data *ts)
{
+ if (!ts->client->irq)
+ return 0;
+
return devm_request_threaded_irq(&ts->client->dev, ts->client->irq,
NULL, goodix_ts_irq_handler,
ts->irq_flags, ts->client->name, ts);
@@ -1219,6 +1245,18 @@ retry_read_config:
return error;
}
+ input_set_drvdata(ts->input_dev, ts);
+
+ if (!ts->client->irq) {
+ error = input_setup_polling(ts->input_dev, goodix_ts_work_i2c_poll);
+ if (error) {
+ dev_err(&ts->client->dev,
+ "could not set up polling mode, %d\n", error);
+ return error;
+ }
+ input_set_poll_interval(ts->input_dev, GOODIX_POLL_INTERVAL_MS);
+ }
+
error = input_register_device(ts->input_dev);
if (error) {
dev_err(&ts->client->dev,
@@ -1422,7 +1460,7 @@ static int goodix_suspend(struct device *dev)
/* We need gpio pins to suspend/resume */
if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_NONE) {
- disable_irq(client->irq);
+ goodix_disable_irq(ts);
return 0;
}
@@ -1466,7 +1504,7 @@ static int goodix_resume(struct device *dev)
int error;
if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_NONE) {
- enable_irq(client->irq);
+ goodix_enable_irq(ts);
return 0;
}
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index 6475084aee1b..9b3901eec0a5 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -22,6 +22,7 @@
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/types.h>
+#include <linux/input/touch-overlay.h>
#define ST1232_TS_NAME "st1232-ts"
#define ST1633_TS_NAME "st1633-ts"
@@ -57,6 +58,7 @@ struct st1232_ts_data {
struct dev_pm_qos_request low_latency_req;
struct gpio_desc *reset_gpio;
const struct st_chip_info *chip_info;
+ struct list_head touch_overlay_list;
int read_buf_len;
u8 *read_buf;
};
@@ -156,6 +158,10 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)
input_mt_assign_slots(input, slots, pos, n_contacts, 0);
for (i = 0; i < n_contacts; i++) {
+ if (touch_overlay_process_contact(&ts->touch_overlay_list,
+ input, &pos[i], slots[i]))
+ continue;
+
input_mt_slot(input, slots[i]);
input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
input_report_abs(input, ABS_MT_POSITION_X, pos[i].x);
@@ -164,6 +170,7 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)
input_report_abs(input, ABS_MT_TOUCH_MAJOR, z[i]);
}
+ touch_overlay_sync_frame(&ts->touch_overlay_list, input);
input_mt_sync_frame(input);
input_sync(input);
@@ -292,18 +299,30 @@ static int st1232_ts_probe(struct i2c_client *client)
if (error)
return error;
- /* Read resolution from the chip */
- error = st1232_ts_read_resolution(ts, &max_x, &max_y);
- if (error) {
- dev_err(&client->dev,
- "Failed to read resolution: %d\n", error);
- return error;
- }
-
if (ts->chip_info->have_z)
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
ts->chip_info->max_area, 0, 0);
+ /* map overlay objects if defined in the device tree */
+ INIT_LIST_HEAD(&ts->touch_overlay_list);
+ error = touch_overlay_map(&ts->touch_overlay_list, input_dev);
+ if (error)
+ return error;
+
+ if (touch_overlay_mapped_touchscreen(&ts->touch_overlay_list)) {
+ /* Read resolution from the overlay touchscreen if defined */
+ touch_overlay_get_touchscreen_abs(&ts->touch_overlay_list,
+ &max_x, &max_y);
+ } else {
+ /* Read resolution from the chip */
+ error = st1232_ts_read_resolution(ts, &max_x, &max_y);
+ if (error) {
+ dev_err(&client->dev,
+ "Failed to read resolution: %d\n", error);
+ return error;
+ }
+ }
+
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
0, max_x, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index c711db6f8f5c..cf17fd46e255 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -215,16 +215,19 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
}
if (test_bit(DROP_WRITES, &fc->flags) &&
- (fc->corrupt_bio_rw == WRITE || fc->random_write_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == WRITE) ||
+ fc->random_write_corrupt)) {
ti->error = "drop_writes is incompatible with random_write_corrupt or corrupt_bio_byte with the WRITE flag set";
return -EINVAL;
} else if (test_bit(ERROR_WRITES, &fc->flags) &&
- (fc->corrupt_bio_rw == WRITE || fc->random_write_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == WRITE) ||
+ fc->random_write_corrupt)) {
ti->error = "error_writes is incompatible with random_write_corrupt or corrupt_bio_byte with the WRITE flag set";
return -EINVAL;
} else if (test_bit(ERROR_READS, &fc->flags) &&
- (fc->corrupt_bio_rw == READ || fc->random_read_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == READ) ||
+ fc->random_read_corrupt)) {
ti->error = "error_reads is incompatible with random_read_corrupt or corrupt_bio_byte with the READ flag set";
return -EINVAL;
}
diff --git a/drivers/md/dm-ima.c b/drivers/md/dm-ima.c
index b90f34259fbb..8b50c908c6f4 100644
--- a/drivers/md/dm-ima.c
+++ b/drivers/md/dm-ima.c
@@ -241,10 +241,11 @@ void dm_ima_measure_on_table_load(struct dm_table *table, unsigned int status_fl
/*
* First retrieve the target metadata.
*/
- scnprintf(target_metadata_buf, DM_IMA_TARGET_METADATA_BUF_LEN,
- "target_index=%d,target_begin=%llu,target_len=%llu,",
- i, ti->begin, ti->len);
- target_metadata_buf_len = strlen(target_metadata_buf);
+ target_metadata_buf_len =
+ scnprintf(target_metadata_buf,
+ DM_IMA_TARGET_METADATA_BUF_LEN,
+ "target_index=%d,target_begin=%llu,target_len=%llu,",
+ i, ti->begin, ti->len);
/*
* Then retrieve the actual target data.
@@ -448,11 +449,9 @@ void dm_ima_measure_on_device_resume(struct mapped_device *md, bool swap)
if (r)
goto error;
- scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
- "%sname=%s,uuid=%s;device_resume=no_data;",
- DM_IMA_VERSION_STR, dev_name, dev_uuid);
- l = strlen(device_table_data);
-
+ l = scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
+ "%sname=%s,uuid=%s;device_resume=no_data;",
+ DM_IMA_VERSION_STR, dev_name, dev_uuid);
}
capacity_len = strlen(capacity_str);
@@ -561,10 +560,9 @@ void dm_ima_measure_on_device_remove(struct mapped_device *md, bool remove_all)
if (dm_ima_alloc_and_copy_name_uuid(md, &dev_name, &dev_uuid, noio))
goto error;
- scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
- "%sname=%s,uuid=%s;device_remove=no_data;",
- DM_IMA_VERSION_STR, dev_name, dev_uuid);
- l = strlen(device_table_data);
+ l = scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
+ "%sname=%s,uuid=%s;device_remove=no_data;",
+ DM_IMA_VERSION_STR, dev_name, dev_uuid);
}
memcpy(device_table_data + l, remove_all_str, remove_all_len);
@@ -647,10 +645,9 @@ void dm_ima_measure_on_table_clear(struct mapped_device *md, bool new_map)
if (dm_ima_alloc_and_copy_name_uuid(md, &dev_name, &dev_uuid, noio))
goto error2;
- scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
- "%sname=%s,uuid=%s;table_clear=no_data;",
- DM_IMA_VERSION_STR, dev_name, dev_uuid);
- l = strlen(device_table_data);
+ l = scnprintf(device_table_data, DM_IMA_DEVICE_BUF_LEN,
+ "%sname=%s,uuid=%s;table_clear=no_data;",
+ DM_IMA_VERSION_STR, dev_name, dev_uuid);
}
capacity_len = strlen(capacity_str);
@@ -706,7 +703,7 @@ void dm_ima_measure_on_device_rename(struct mapped_device *md)
char *old_device_data = NULL, *new_device_data = NULL, *combined_device_data = NULL;
char *new_dev_name = NULL, *new_dev_uuid = NULL, *capacity_str = NULL;
bool noio = true;
- int r;
+ int r, len;
if (dm_ima_alloc_and_copy_device_data(md, &new_device_data,
md->ima.active_table.num_targets, noio))
@@ -728,12 +725,11 @@ void dm_ima_measure_on_device_rename(struct mapped_device *md)
md->ima.active_table.device_metadata = new_device_data;
md->ima.active_table.device_metadata_len = strlen(new_device_data);
- scnprintf(combined_device_data, DM_IMA_DEVICE_BUF_LEN * 2,
- "%s%snew_name=%s,new_uuid=%s;%s", DM_IMA_VERSION_STR, old_device_data,
- new_dev_name, new_dev_uuid, capacity_str);
+ len = scnprintf(combined_device_data, DM_IMA_DEVICE_BUF_LEN * 2,
+ "%s%snew_name=%s,new_uuid=%s;%s", DM_IMA_VERSION_STR, old_device_data,
+ new_dev_name, new_dev_uuid, capacity_str);
- dm_ima_measure_data("dm_device_rename", combined_device_data, strlen(combined_device_data),
- noio);
+ dm_ima_measure_data("dm_device_rename", combined_device_data, len, noio);
goto exit;
diff --git a/drivers/md/dm-path-selector.c b/drivers/md/dm-path-selector.c
index 3e4cb81ce512..d0b883fabfeb 100644
--- a/drivers/md/dm-path-selector.c
+++ b/drivers/md/dm-path-selector.c
@@ -117,16 +117,16 @@ int dm_register_path_selector(struct path_selector_type *pst)
}
EXPORT_SYMBOL_GPL(dm_register_path_selector);
-int dm_unregister_path_selector(struct path_selector_type *pst)
+void dm_unregister_path_selector(struct path_selector_type *pst)
{
struct ps_internal *psi;
down_write(&_ps_lock);
psi = __find_path_selector_type(pst->name);
- if (!psi) {
+ if (WARN_ON(!psi)) {
up_write(&_ps_lock);
- return -EINVAL;
+ return;
}
list_del(&psi->list);
@@ -134,7 +134,5 @@ int dm_unregister_path_selector(struct path_selector_type *pst)
up_write(&_ps_lock);
kfree(psi);
-
- return 0;
}
EXPORT_SYMBOL_GPL(dm_unregister_path_selector);
diff --git a/drivers/md/dm-path-selector.h b/drivers/md/dm-path-selector.h
index 3861b2d8b963..7b2270532e64 100644
--- a/drivers/md/dm-path-selector.h
+++ b/drivers/md/dm-path-selector.h
@@ -96,7 +96,7 @@ struct path_selector_type {
int dm_register_path_selector(struct path_selector_type *type);
/* Unregister a path selector */
-int dm_unregister_path_selector(struct path_selector_type *type);
+void dm_unregister_path_selector(struct path_selector_type *type);
/* Returns a registered path selector type */
struct path_selector_type *dm_get_path_selector(const char *name);
diff --git a/drivers/md/dm-ps-historical-service-time.c b/drivers/md/dm-ps-historical-service-time.c
index b49e10d76d03..f07e773d9cc0 100644
--- a/drivers/md/dm-ps-historical-service-time.c
+++ b/drivers/md/dm-ps-historical-service-time.c
@@ -541,8 +541,10 @@ static int __init dm_hst_init(void)
{
int r = dm_register_path_selector(&hst_ps);
- if (r < 0)
+ if (r < 0) {
DMERR("register failed %d", r);
+ return r;
+ }
DMINFO("version " HST_VERSION " loaded");
@@ -551,10 +553,7 @@ static int __init dm_hst_init(void)
static void __exit dm_hst_exit(void)
{
- int r = dm_unregister_path_selector(&hst_ps);
-
- if (r < 0)
- DMERR("unregister failed %d", r);
+ dm_unregister_path_selector(&hst_ps);
}
module_init(dm_hst_init);
diff --git a/drivers/md/dm-ps-io-affinity.c b/drivers/md/dm-ps-io-affinity.c
index 716807e511ee..80415a045c68 100644
--- a/drivers/md/dm-ps-io-affinity.c
+++ b/drivers/md/dm-ps-io-affinity.c
@@ -260,10 +260,7 @@ static int __init dm_ioa_init(void)
static void __exit dm_ioa_exit(void)
{
- int ret = dm_unregister_path_selector(&ioa_ps);
-
- if (ret < 0)
- DMERR("unregister failed %d", ret);
+ dm_unregister_path_selector(&ioa_ps);
}
module_init(dm_ioa_init);
diff --git a/drivers/md/dm-ps-queue-length.c b/drivers/md/dm-ps-queue-length.c
index e305f05ad1e5..9c68701ed7a4 100644
--- a/drivers/md/dm-ps-queue-length.c
+++ b/drivers/md/dm-ps-queue-length.c
@@ -260,8 +260,10 @@ static int __init dm_ql_init(void)
{
int r = dm_register_path_selector(&ql_ps);
- if (r < 0)
+ if (r < 0) {
DMERR("register failed %d", r);
+ return r;
+ }
DMINFO("version " QL_VERSION " loaded");
@@ -270,10 +272,7 @@ static int __init dm_ql_init(void)
static void __exit dm_ql_exit(void)
{
- int r = dm_unregister_path_selector(&ql_ps);
-
- if (r < 0)
- DMERR("unregister failed %d", r);
+ dm_unregister_path_selector(&ql_ps);
}
module_init(dm_ql_init);
diff --git a/drivers/md/dm-ps-round-robin.c b/drivers/md/dm-ps-round-robin.c
index d1745b123dc1..0c12f4073461 100644
--- a/drivers/md/dm-ps-round-robin.c
+++ b/drivers/md/dm-ps-round-robin.c
@@ -220,8 +220,10 @@ static int __init dm_rr_init(void)
{
int r = dm_register_path_selector(&rr_ps);
- if (r < 0)
+ if (r < 0) {
DMERR("register failed %d", r);
+ return r;
+ }
DMINFO("version " RR_VERSION " loaded");
@@ -230,10 +232,7 @@ static int __init dm_rr_init(void)
static void __exit dm_rr_exit(void)
{
- int r = dm_unregister_path_selector(&rr_ps);
-
- if (r < 0)
- DMERR("unregister failed %d", r);
+ dm_unregister_path_selector(&rr_ps);
}
module_init(dm_rr_init);
diff --git a/drivers/md/dm-ps-service-time.c b/drivers/md/dm-ps-service-time.c
index 969d31c40272..0543fe7969c4 100644
--- a/drivers/md/dm-ps-service-time.c
+++ b/drivers/md/dm-ps-service-time.c
@@ -341,8 +341,10 @@ static int __init dm_st_init(void)
{
int r = dm_register_path_selector(&st_ps);
- if (r < 0)
+ if (r < 0) {
DMERR("register failed %d", r);
+ return r;
+ }
DMINFO("version " ST_VERSION " loaded");
@@ -351,10 +353,7 @@ static int __init dm_st_init(void)
static void __exit dm_st_exit(void)
{
- int r = dm_unregister_path_selector(&st_ps);
-
- if (r < 0)
- DMERR("unregister failed %d", r);
+ dm_unregister_path_selector(&st_ps);
}
module_init(dm_st_init);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index e8c0a8c6fb51..15c538ee9537 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -14,7 +14,6 @@
#include "raid5.h"
#include "raid10.h"
#include "md-bitmap.h"
-#include "dm-core.h"
#include <linux/device-mapper.h>
@@ -2532,6 +2531,10 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
struct md_rdev *rdev, *freshest;
struct mddev *mddev = &rs->md;
+ /* Respect resynchronization requested with "sync" argument. */
+ if (test_bit(__CTR_FLAG_SYNC, &rs->ctr_flags))
+ set_bit(MD_ARRAY_FIRST_USE, &mddev->flags);
+
freshest = NULL;
rdev_for_each(rdev, mddev) {
if (test_bit(Journal, &rdev->flags))
@@ -3305,7 +3308,7 @@ size_check:
/* Disable/enable discard support on raid set. */
configure_discard_support(rs);
- rs->md.dm_gendisk = ti->table->md->disk;
+ rs->md.dm_gendisk = dm_disk(dm_table_get_md(ti->table));
mddev_unlock(&rs->md);
return 0;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index d9d5e6aa5707..ad0a60a07b93 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -899,17 +899,17 @@ static bool dm_table_supports_dax(struct dm_table *t,
return true;
}
-static int device_is_rq_stackable(struct dm_target *ti, struct dm_dev *dev,
- sector_t start, sector_t len, void *data)
+static int device_is_not_rq_stackable(struct dm_target *ti, struct dm_dev *dev,
+ sector_t start, sector_t len, void *data)
{
struct block_device *bdev = dev->bdev;
struct request_queue *q = bdev_get_queue(bdev);
/* request-based cannot stack on partitions! */
if (bdev_is_partition(bdev))
- return false;
+ return true;
- return queue_is_mq(q);
+ return !queue_is_mq(q);
}
static int dm_table_determine_type(struct dm_table *t)
@@ -1005,7 +1005,7 @@ verify_rq_based:
/* Non-request-stackable devices can't be used for request-based dm */
if (!ti->type->iterate_devices ||
- !ti->type->iterate_devices(ti, device_is_rq_stackable, NULL)) {
+ ti->type->iterate_devices(ti, device_is_not_rq_stackable, NULL)) {
DMERR("table load rejected: including non-request-stackable devices");
return -EINVAL;
}
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 05cf4e3f2bbe..007bb93e5fca 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -4111,8 +4111,8 @@ static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
static struct target_type pool_target = {
.name = "thin-pool",
.features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
- DM_TARGET_IMMUTABLE,
- .version = {1, 23, 0},
+ DM_TARGET_IMMUTABLE | DM_TARGET_PASSES_CRYPTO,
+ .version = {1, 24, 0},
.module = THIS_MODULE,
.ctr = pool_ctr,
.dtr = pool_dtr,
@@ -4497,7 +4497,8 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
static struct target_type thin_target = {
.name = "thin",
- .version = {1, 23, 0},
+ .features = DM_TARGET_PASSES_CRYPTO,
+ .version = {1, 24, 0},
.module = THIS_MODULE,
.ctr = thin_ctr,
.dtr = thin_dtr,
diff --git a/drivers/md/dm-vdo/funnel-workqueue.c b/drivers/md/dm-vdo/funnel-workqueue.c
index ae11941c90a9..0613c82bbe8e 100644
--- a/drivers/md/dm-vdo/funnel-workqueue.c
+++ b/drivers/md/dm-vdo/funnel-workqueue.c
@@ -252,8 +252,7 @@ static void service_work_queue(struct simple_work_queue *queue)
* This speeds up some performance tests; that "other work" might include other VDO
* threads.
*/
- if (need_resched())
- cond_resched();
+ cond_resched();
}
run_finish_hook(queue);
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 631a887b487c..d382a390d39a 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -191,7 +191,7 @@ static int fec_is_erasure(struct dm_verity *v, struct dm_verity_io *io,
u8 *want_digest, u8 *data)
{
if (unlikely(verity_hash(v, io, data, 1 << v->data_dev_block_bits,
- verity_io_real_digest(v, io), true)))
+ verity_io_real_digest(v, io))))
return 0;
return memcmp(verity_io_real_digest(v, io), want_digest,
@@ -392,7 +392,7 @@ static int fec_decode_rsb(struct dm_verity *v, struct dm_verity_io *io,
/* Always re-validate the corrected block against the expected hash */
r = verity_hash(v, io, fio->output, 1 << v->data_dev_block_bits,
- verity_io_real_digest(v, io), true);
+ verity_io_real_digest(v, io));
if (unlikely(r < 0))
return r;
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 81186bded1ce..66a00a8ccb39 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -19,7 +19,6 @@
#include "dm-audit.h"
#include <linux/module.h>
#include <linux/reboot.h>
-#include <linux/scatterlist.h>
#include <linux/string.h>
#include <linux/jump_label.h>
#include <linux/security.h>
@@ -61,9 +60,6 @@ module_param_array_named(use_bh_bytes, dm_verity_use_bh_bytes, uint, NULL, 0644)
static DEFINE_STATIC_KEY_FALSE(use_bh_wq_enabled);
-/* Is at least one dm-verity instance using ahash_tfm instead of shash_tfm? */
-static DEFINE_STATIC_KEY_FALSE(ahash_enabled);
-
struct dm_verity_prefetch_work {
struct work_struct work;
struct dm_verity *v;
@@ -118,100 +114,21 @@ static sector_t verity_position_at_level(struct dm_verity *v, sector_t block,
return block >> (level * v->hash_per_block_bits);
}
-static int verity_ahash_update(struct dm_verity *v, struct ahash_request *req,
- const u8 *data, size_t len,
- struct crypto_wait *wait)
-{
- struct scatterlist sg;
-
- if (likely(!is_vmalloc_addr(data))) {
- sg_init_one(&sg, data, len);
- ahash_request_set_crypt(req, &sg, NULL, len);
- return crypto_wait_req(crypto_ahash_update(req), wait);
- }
-
- do {
- int r;
- size_t this_step = min_t(size_t, len, PAGE_SIZE - offset_in_page(data));
-
- flush_kernel_vmap_range((void *)data, this_step);
- sg_init_table(&sg, 1);
- sg_set_page(&sg, vmalloc_to_page(data), this_step, offset_in_page(data));
- ahash_request_set_crypt(req, &sg, NULL, this_step);
- r = crypto_wait_req(crypto_ahash_update(req), wait);
- if (unlikely(r))
- return r;
- data += this_step;
- len -= this_step;
- } while (len);
-
- return 0;
-}
-
-/*
- * Wrapper for crypto_ahash_init, which handles verity salting.
- */
-static int verity_ahash_init(struct dm_verity *v, struct ahash_request *req,
- struct crypto_wait *wait, bool may_sleep)
-{
- int r;
-
- ahash_request_set_tfm(req, v->ahash_tfm);
- ahash_request_set_callback(req,
- may_sleep ? CRYPTO_TFM_REQ_MAY_SLEEP | CRYPTO_TFM_REQ_MAY_BACKLOG : 0,
- crypto_req_done, (void *)wait);
- crypto_init_wait(wait);
-
- r = crypto_wait_req(crypto_ahash_init(req), wait);
-
- if (unlikely(r < 0)) {
- if (r != -ENOMEM)
- DMERR("crypto_ahash_init failed: %d", r);
- return r;
- }
-
- if (likely(v->salt_size && (v->version >= 1)))
- r = verity_ahash_update(v, req, v->salt, v->salt_size, wait);
-
- return r;
-}
-
-static int verity_ahash_final(struct dm_verity *v, struct ahash_request *req,
- u8 *digest, struct crypto_wait *wait)
-{
- int r;
-
- if (unlikely(v->salt_size && (!v->version))) {
- r = verity_ahash_update(v, req, v->salt, v->salt_size, wait);
-
- if (r < 0) {
- DMERR("%s failed updating salt: %d", __func__, r);
- goto out;
- }
- }
-
- ahash_request_set_crypt(req, NULL, digest, 0);
- r = crypto_wait_req(crypto_ahash_final(req), wait);
-out:
- return r;
-}
-
int verity_hash(struct dm_verity *v, struct dm_verity_io *io,
- const u8 *data, size_t len, u8 *digest, bool may_sleep)
+ const u8 *data, size_t len, u8 *digest)
{
+ struct shash_desc *desc = &io->hash_desc;
int r;
- if (static_branch_unlikely(&ahash_enabled) && !v->shash_tfm) {
- struct ahash_request *req = verity_io_hash_req(v, io);
- struct crypto_wait wait;
-
- r = verity_ahash_init(v, req, &wait, may_sleep) ?:
- verity_ahash_update(v, req, data, len, &wait) ?:
- verity_ahash_final(v, req, digest, &wait);
+ desc->tfm = v->shash_tfm;
+ if (unlikely(v->initial_hashstate == NULL)) {
+ /* Version 0: salt at end */
+ r = crypto_shash_init(desc) ?:
+ crypto_shash_update(desc, data, len) ?:
+ crypto_shash_update(desc, v->salt, v->salt_size) ?:
+ crypto_shash_final(desc, digest);
} else {
- struct shash_desc *desc = verity_io_hash_req(v, io);
-
- desc->tfm = v->shash_tfm;
+ /* Version 1: salt at beginning */
r = crypto_shash_import(desc, v->initial_hashstate) ?:
crypto_shash_finup(desc, data, len, digest);
}
@@ -362,7 +279,7 @@ static int verity_verify_level(struct dm_verity *v, struct dm_verity_io *io,
}
r = verity_hash(v, io, data, 1 << v->hash_dev_block_bits,
- verity_io_real_digest(v, io), !io->in_bh);
+ verity_io_real_digest(v, io));
if (unlikely(r < 0))
goto release_ret_r;
@@ -465,7 +382,7 @@ static noinline int verity_recheck(struct dm_verity *v, struct dm_verity_io *io,
goto free_ret;
r = verity_hash(v, io, buffer, 1 << v->data_dev_block_bits,
- verity_io_real_digest(v, io), true);
+ verity_io_real_digest(v, io));
if (unlikely(r))
goto free_ret;
@@ -581,7 +498,7 @@ static int verity_verify_io(struct dm_verity_io *io)
}
r = verity_hash(v, io, data, block_size,
- verity_io_real_digest(v, io), !io->in_bh);
+ verity_io_real_digest(v, io));
if (unlikely(r < 0)) {
kunmap_local(data);
return r;
@@ -1092,12 +1009,7 @@ static void verity_dtr(struct dm_target *ti)
kfree(v->zero_digest);
verity_free_sig(v);
- if (v->ahash_tfm) {
- static_branch_dec(&ahash_enabled);
- crypto_free_ahash(v->ahash_tfm);
- } else {
- crypto_free_shash(v->shash_tfm);
- }
+ crypto_free_shash(v->shash_tfm);
kfree(v->alg_name);
@@ -1157,7 +1069,8 @@ static int verity_alloc_zero_digest(struct dm_verity *v)
if (!v->zero_digest)
return r;
- io = kmalloc(sizeof(*io) + v->hash_reqsize, GFP_KERNEL);
+ io = kmalloc(sizeof(*io) + crypto_shash_descsize(v->shash_tfm),
+ GFP_KERNEL);
if (!io)
return r; /* verity_dtr will free zero_digest */
@@ -1168,7 +1081,7 @@ static int verity_alloc_zero_digest(struct dm_verity *v)
goto out;
r = verity_hash(v, io, zero_data, 1 << v->data_dev_block_bits,
- v->zero_digest, true);
+ v->zero_digest);
out:
kfree(io);
@@ -1324,9 +1237,7 @@ static int verity_parse_opt_args(struct dm_arg_set *as, struct dm_verity *v,
static int verity_setup_hash_alg(struct dm_verity *v, const char *alg_name)
{
struct dm_target *ti = v->ti;
- struct crypto_ahash *ahash;
- struct crypto_shash *shash = NULL;
- const char *driver_name;
+ struct crypto_shash *shash;
v->alg_name = kstrdup(alg_name, GFP_KERNEL);
if (!v->alg_name) {
@@ -1334,50 +1245,14 @@ static int verity_setup_hash_alg(struct dm_verity *v, const char *alg_name)
return -ENOMEM;
}
- /*
- * Allocate the hash transformation object that this dm-verity instance
- * will use. The vast majority of dm-verity users use CPU-based
- * hashing, so when possible use the shash API to minimize the crypto
- * API overhead. If the ahash API resolves to a different driver
- * (likely an off-CPU hardware offload), use ahash instead. Also use
- * ahash if the obsolete dm-verity format with the appended salt is
- * being used, so that quirk only needs to be handled in one place.
- */
- ahash = crypto_alloc_ahash(alg_name, 0,
- v->use_bh_wq ? CRYPTO_ALG_ASYNC : 0);
- if (IS_ERR(ahash)) {
+ shash = crypto_alloc_shash(alg_name, 0, 0);
+ if (IS_ERR(shash)) {
ti->error = "Cannot initialize hash function";
- return PTR_ERR(ahash);
- }
- driver_name = crypto_ahash_driver_name(ahash);
- if (v->version >= 1 /* salt prepended, not appended? */) {
- shash = crypto_alloc_shash(alg_name, 0, 0);
- if (!IS_ERR(shash) &&
- strcmp(crypto_shash_driver_name(shash), driver_name) != 0) {
- /*
- * ahash gave a different driver than shash, so probably
- * this is a case of real hardware offload. Use ahash.
- */
- crypto_free_shash(shash);
- shash = NULL;
- }
- }
- if (!IS_ERR_OR_NULL(shash)) {
- crypto_free_ahash(ahash);
- ahash = NULL;
- v->shash_tfm = shash;
- v->digest_size = crypto_shash_digestsize(shash);
- v->hash_reqsize = sizeof(struct shash_desc) +
- crypto_shash_descsize(shash);
- DMINFO("%s using shash \"%s\"", alg_name, driver_name);
- } else {
- v->ahash_tfm = ahash;
- static_branch_inc(&ahash_enabled);
- v->digest_size = crypto_ahash_digestsize(ahash);
- v->hash_reqsize = sizeof(struct ahash_request) +
- crypto_ahash_reqsize(ahash);
- DMINFO("%s using ahash \"%s\"", alg_name, driver_name);
+ return PTR_ERR(shash);
}
+ v->shash_tfm = shash;
+ v->digest_size = crypto_shash_digestsize(shash);
+ DMINFO("%s using \"%s\"", alg_name, crypto_shash_driver_name(shash));
if ((1 << v->hash_dev_block_bits) < v->digest_size * 2) {
ti->error = "Digest size too big";
return -EINVAL;
@@ -1402,7 +1277,7 @@ static int verity_setup_salt_and_hashstate(struct dm_verity *v, const char *arg)
return -EINVAL;
}
}
- if (v->shash_tfm) {
+ if (v->version) { /* Version 1: salt at beginning */
SHASH_DESC_ON_STACK(desc, v->shash_tfm);
int r;
@@ -1681,7 +1556,8 @@ static int verity_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad;
}
- ti->per_io_data_size = sizeof(struct dm_verity_io) + v->hash_reqsize;
+ ti->per_io_data_size = sizeof(struct dm_verity_io) +
+ crypto_shash_descsize(v->shash_tfm);
r = verity_fec_ctr(v);
if (r)
@@ -1788,10 +1664,7 @@ static int verity_preresume(struct dm_target *ti)
bdev = dm_disk(dm_table_get_md(ti->table))->part0;
root_digest.digest = v->root_digest;
root_digest.digest_len = v->digest_size;
- if (static_branch_unlikely(&ahash_enabled) && !v->shash_tfm)
- root_digest.alg = crypto_ahash_alg_name(v->ahash_tfm);
- else
- root_digest.alg = crypto_shash_alg_name(v->shash_tfm);
+ root_digest.alg = crypto_shash_alg_name(v->shash_tfm);
r = security_bdev_setintegrity(bdev, LSM_INT_DMVERITY_ROOTHASH, &root_digest,
sizeof(root_digest));
@@ -1817,7 +1690,7 @@ static struct target_type verity_target = {
.name = "verity",
/* Note: the LSMs depend on the singleton and immutable features */
.features = DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE,
- .version = {1, 11, 0},
+ .version = {1, 12, 0},
.module = THIS_MODULE,
.ctr = verity_ctr,
.dtr = verity_dtr,
diff --git a/drivers/md/dm-verity.h b/drivers/md/dm-verity.h
index 8cbb57862ae1..6d141abd965c 100644
--- a/drivers/md/dm-verity.h
+++ b/drivers/md/dm-verity.h
@@ -39,11 +39,10 @@ struct dm_verity {
struct dm_target *ti;
struct dm_bufio_client *bufio;
char *alg_name;
- struct crypto_ahash *ahash_tfm; /* either this or shash_tfm is set */
- struct crypto_shash *shash_tfm; /* either this or ahash_tfm is set */
+ struct crypto_shash *shash_tfm;
u8 *root_digest; /* digest of the root block */
u8 *salt; /* salt: its size is salt_size */
- u8 *initial_hashstate; /* salted initial state, if shash_tfm is set */
+ u8 *initial_hashstate; /* salted initial state, if version >= 1 */
u8 *zero_digest; /* digest for a zero block */
#ifdef CONFIG_SECURITY
u8 *root_digest_sig; /* signature of the root digest */
@@ -61,7 +60,6 @@ struct dm_verity {
bool hash_failed:1; /* set if hash of any block failed */
bool use_bh_wq:1; /* try to verify in BH wq before normal work-queue */
unsigned int digest_size; /* digest size for the current hash algorithm */
- unsigned int hash_reqsize; /* the size of temporary space for crypto */
enum verity_mode mode; /* mode for handling verification errors */
enum verity_mode error_mode;/* mode for handling I/O errors */
unsigned int corrupted_errs;/* Number of errors for corrupted blocks */
@@ -100,19 +98,13 @@ struct dm_verity_io {
u8 want_digest[HASH_MAX_DIGESTSIZE];
/*
- * This struct is followed by a variable-sized hash request of size
- * v->hash_reqsize, either a struct ahash_request or a struct shash_desc
- * (depending on whether ahash_tfm or shash_tfm is being used). To
- * access it, use verity_io_hash_req().
+ * Temporary space for hashing. This is variable-length and must be at
+ * the end of the struct. struct shash_desc is just the fixed part;
+ * it's followed by a context of size crypto_shash_descsize(shash_tfm).
*/
+ struct shash_desc hash_desc;
};
-static inline void *verity_io_hash_req(struct dm_verity *v,
- struct dm_verity_io *io)
-{
- return io + 1;
-}
-
static inline u8 *verity_io_real_digest(struct dm_verity *v,
struct dm_verity_io *io)
{
@@ -126,7 +118,7 @@ static inline u8 *verity_io_want_digest(struct dm_verity *v,
}
extern int verity_hash(struct dm_verity *v, struct dm_verity_io *io,
- const u8 *data, size_t len, u8 *digest, bool may_sleep);
+ const u8 *data, size_t len, u8 *digest);
extern int verity_hash_for_block(struct dm_verity *v, struct dm_verity_io *io,
sector_t block, u8 *digest, bool *is_zero);
diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c
index 3d31b82e0730..78e17dd4d01b 100644
--- a/drivers/md/dm-zone.c
+++ b/drivers/md/dm-zone.c
@@ -467,8 +467,6 @@ void dm_zone_endio(struct dm_io *io, struct bio *clone)
bdev_offset_from_zone_start(disk->part0,
clone->bi_iter.bi_sector);
}
-
- return;
}
static int dm_zone_need_reset_cb(struct blk_zone *zone, unsigned int idx,
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 5da3db06da10..9da329078ea4 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -1062,7 +1062,7 @@ static int dmz_iterate_devices(struct dm_target *ti,
struct dmz_target *dmz = ti->private;
unsigned int zone_nr_sectors = dmz_zone_nr_sectors(dmz->metadata);
sector_t capacity;
- int i, r;
+ int i, r = 0;
for (i = 0; i < dmz->nr_ddevs; i++) {
capacity = dmz->dev[i].capacity & ~(zone_nr_sectors - 1);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 2d8402778e5c..a44e8c2dccee 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1024,10 +1024,8 @@ static void dm_wq_requeue_work(struct work_struct *work)
*
* 2) io->orig_bio points to new cloned bio which matches the requeued dm_io.
*/
-static void dm_io_complete(struct dm_io *io)
+static inline void dm_io_complete(struct dm_io *io)
{
- bool first_requeue;
-
/*
* Only dm_io that has been split needs two stage requeue, otherwise
* we may run into long bio clone chain during suspend and OOM could
@@ -1036,12 +1034,7 @@ static void dm_io_complete(struct dm_io *io)
* Also flush data dm_io won't be marked as DM_IO_WAS_SPLIT, so they
* also aren't handled via the first stage requeue.
*/
- if (dm_io_flagged(io, DM_IO_WAS_SPLIT))
- first_requeue = true;
- else
- first_requeue = false;
-
- __dm_io_complete(io, first_requeue);
+ __dm_io_complete(io, dm_io_flagged(io, DM_IO_WAS_SPLIT));
}
/*
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 8dd5a9b0d060..e32f8862a9f9 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -48,7 +48,8 @@ static int core_clks_enable(struct venus_core *core)
int ret;
opp = dev_pm_opp_find_freq_ceil(dev, &freq);
- dev_pm_opp_put(opp);
+ if (!IS_ERR(opp))
+ dev_pm_opp_put(opp);
for (i = 0; i < res->clks_num; i++) {
if (IS_V6(core)) {
@@ -660,7 +661,8 @@ static int decide_core(struct venus_inst *inst)
/*TODO : divide this inst->load by work_route */
opp = dev_pm_opp_find_freq_floor(dev, &max_freq);
- dev_pm_opp_put(opp);
+ if (!IS_ERR(opp))
+ dev_pm_opp_put(opp);
min_loaded_core(inst, &min_coreid, &min_load, false);
min_loaded_core(inst, &min_lp_coreid, &min_lp_load, true);
@@ -1121,7 +1123,8 @@ static int load_scale_v4(struct venus_inst *inst)
freq = max(freq_core1, freq_core2);
opp = dev_pm_opp_find_freq_floor(dev, &max_freq);
- dev_pm_opp_put(opp);
+ if (!IS_ERR(opp))
+ dev_pm_opp_put(opp);
if (freq > max_freq) {
dev_dbg(dev, VDBGL "requested clock rate: %lu scaling clock rate : %lu\n",
@@ -1131,7 +1134,8 @@ static int load_scale_v4(struct venus_inst *inst)
}
opp = dev_pm_opp_find_freq_ceil(dev, &freq);
- dev_pm_opp_put(opp);
+ if (!IS_ERR(opp))
+ dev_pm_opp_put(opp);
set_freq:
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index feab392ab2ee..476e73e502fe 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4610,7 +4610,7 @@ static int mvneta_stop(struct net_device *dev)
/* Inform that we are stopping so we don't want to setup the
* driver for new CPUs in the notifiers. The code of the
* notifier for CPU online is protected by the same spinlock,
- * so when we get the lock, the notifer work is done.
+ * so when we get the lock, the notifier work is done.
*/
spin_lock(&pp->lock);
pp->is_stopped = true;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index a38ffbf4b3f0..511c4154cf74 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1120,6 +1120,9 @@ static void __handle_link_change(struct usbnet *dev)
if (!test_bit(EVENT_DEV_OPEN, &dev->flags))
return;
+ if (test_and_clear_bit(EVENT_LINK_CARRIER_ON, &dev->flags))
+ netif_carrier_on(dev->net);
+
if (!netif_carrier_ok(dev->net)) {
/* kill URBs for reading packets to save bus bandwidth */
unlink_urbs(dev, &dev->rxq);
@@ -1129,9 +1132,6 @@ static void __handle_link_change(struct usbnet *dev)
* tx queue is stopped by netcore after link becomes off
*/
} else {
- if (test_and_clear_bit(EVENT_LINK_CARRIER_ON, &dev->flags))
- netif_carrier_on(dev->net);
-
/* submitting URBs for reading packets */
queue_work(system_bh_wq, &dev->bh_work);
}
diff --git a/drivers/net/wwan/iosm/iosm_ipc_trace.c b/drivers/net/wwan/iosm/iosm_ipc_trace.c
index eeecfa3d10c5..9656254c1c6c 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_trace.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_trace.c
@@ -51,8 +51,7 @@ static int ipc_trace_remove_buf_file_handler(struct dentry *dentry)
}
static int ipc_trace_subbuf_start_handler(struct rchan_buf *buf, void *subbuf,
- void *prev_subbuf,
- size_t prev_padding)
+ void *prev_subbuf)
{
if (relay_buf_full(buf)) {
pr_err_ratelimited("Relay_buf full dropping traces");
diff --git a/drivers/net/wwan/t7xx/t7xx_port_trace.c b/drivers/net/wwan/t7xx/t7xx_port_trace.c
index 4ed8b4e29bf1..f16d3b01302c 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_trace.c
+++ b/drivers/net/wwan/t7xx/t7xx_port_trace.c
@@ -33,7 +33,7 @@ static int t7xx_trace_remove_buf_file_handler(struct dentry *dentry)
}
static int t7xx_trace_subbuf_start_handler(struct rchan_buf *buf, void *subbuf,
- void *prev_subbuf, size_t prev_padding)
+ void *prev_subbuf)
{
if (relay_buf_full(buf)) {
pr_err_ratelimited("Relay_buf full dropping traces");
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 573a41869c15..c5345bff9a55 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -3,12 +3,15 @@
* PCI Hotplug Driver for PowerPC PowerNV platform.
*
* Copyright Gavin Shan, IBM Corporation 2016.
+ * Copyright (C) 2025 Raptor Engineering, LLC
+ * Copyright (C) 2025 Raptor Computing Systems, LLC
*/
#include <linux/bitfield.h>
#include <linux/libfdt.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/delay.h>
#include <linux/pci_hotplug.h>
#include <linux/of_fdt.h>
@@ -36,8 +39,10 @@ static void pnv_php_register(struct device_node *dn);
static void pnv_php_unregister_one(struct device_node *dn);
static void pnv_php_unregister(struct device_node *dn);
+static void pnv_php_enable_irq(struct pnv_php_slot *php_slot);
+
static void pnv_php_disable_irq(struct pnv_php_slot *php_slot,
- bool disable_device)
+ bool disable_device, bool disable_msi)
{
struct pci_dev *pdev = php_slot->pdev;
u16 ctrl;
@@ -53,19 +58,15 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot,
php_slot->irq = 0;
}
- if (php_slot->wq) {
- destroy_workqueue(php_slot->wq);
- php_slot->wq = NULL;
- }
-
- if (disable_device) {
+ if (disable_device || disable_msi) {
if (pdev->msix_enabled)
pci_disable_msix(pdev);
else if (pdev->msi_enabled)
pci_disable_msi(pdev);
+ }
+ if (disable_device)
pci_disable_device(pdev);
- }
}
static void pnv_php_free_slot(struct kref *kref)
@@ -74,7 +75,8 @@ static void pnv_php_free_slot(struct kref *kref)
struct pnv_php_slot, kref);
WARN_ON(!list_empty(&php_slot->children));
- pnv_php_disable_irq(php_slot, false);
+ pnv_php_disable_irq(php_slot, false, false);
+ destroy_workqueue(php_slot->wq);
kfree(php_slot->name);
kfree(php_slot);
}
@@ -391,6 +393,20 @@ static int pnv_php_get_power_state(struct hotplug_slot *slot, u8 *state)
return 0;
}
+static int pcie_check_link_active(struct pci_dev *pdev)
+{
+ u16 lnk_status;
+ int ret;
+
+ ret = pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &lnk_status);
+ if (ret == PCIBIOS_DEVICE_NOT_FOUND || PCI_POSSIBLE_ERROR(lnk_status))
+ return -ENODEV;
+
+ ret = !!(lnk_status & PCI_EXP_LNKSTA_DLLLA);
+
+ return ret;
+}
+
static int pnv_php_get_adapter_state(struct hotplug_slot *slot, u8 *state)
{
struct pnv_php_slot *php_slot = to_pnv_php_slot(slot);
@@ -403,6 +419,19 @@ static int pnv_php_get_adapter_state(struct hotplug_slot *slot, u8 *state)
*/
ret = pnv_pci_get_presence_state(php_slot->id, &presence);
if (ret >= 0) {
+ if (pci_pcie_type(php_slot->pdev) == PCI_EXP_TYPE_DOWNSTREAM &&
+ presence == OPAL_PCI_SLOT_EMPTY) {
+ /*
+ * Similar to pciehp_hpc, check whether the Link Active
+ * bit is set to account for broken downstream bridges
+ * that don't properly assert Presence Detect State, as
+ * was observed on the Microsemi Switchtec PM8533 PFX
+ * [11f8:8533].
+ */
+ if (pcie_check_link_active(php_slot->pdev) > 0)
+ presence = OPAL_PCI_SLOT_PRESENT;
+ }
+
*state = presence;
ret = 0;
} else {
@@ -412,10 +441,23 @@ static int pnv_php_get_adapter_state(struct hotplug_slot *slot, u8 *state)
return ret;
}
+static int pnv_php_get_raw_indicator_status(struct hotplug_slot *slot, u8 *state)
+{
+ struct pnv_php_slot *php_slot = to_pnv_php_slot(slot);
+ struct pci_dev *bridge = php_slot->pdev;
+ u16 status;
+
+ pcie_capability_read_word(bridge, PCI_EXP_SLTCTL, &status);
+ *state = (status & (PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC)) >> 6;
+ return 0;
+}
+
+
static int pnv_php_get_attention_state(struct hotplug_slot *slot, u8 *state)
{
struct pnv_php_slot *php_slot = to_pnv_php_slot(slot);
+ pnv_php_get_raw_indicator_status(slot, &php_slot->attention_state);
*state = php_slot->attention_state;
return 0;
}
@@ -433,7 +475,7 @@ static int pnv_php_set_attention_state(struct hotplug_slot *slot, u8 state)
mask = PCI_EXP_SLTCTL_AIC;
if (state)
- new = PCI_EXP_SLTCTL_ATTN_IND_ON;
+ new = FIELD_PREP(PCI_EXP_SLTCTL_AIC, state);
else
new = PCI_EXP_SLTCTL_ATTN_IND_OFF;
@@ -442,6 +484,61 @@ static int pnv_php_set_attention_state(struct hotplug_slot *slot, u8 state)
return 0;
}
+static int pnv_php_activate_slot(struct pnv_php_slot *php_slot,
+ struct hotplug_slot *slot)
+{
+ int ret, i;
+
+ /*
+ * Issue initial slot activation command to firmware
+ *
+ * Firmware will power slot on, attempt to train the link, and
+ * discover any downstream devices. If this process fails, firmware
+ * will return an error code and an invalid device tree. Failure
+ * can be caused for multiple reasons, including a faulty
+ * downstream device, poor connection to the downstream device, or
+ * a previously latched PHB fence. On failure, issue fundamental
+ * reset up to three times before aborting.
+ */
+ ret = pnv_php_set_slot_power_state(slot, OPAL_PCI_SLOT_POWER_ON);
+ if (ret) {
+ SLOT_WARN(
+ php_slot,
+ "PCI slot activation failed with error code %d, possible frozen PHB",
+ ret);
+ SLOT_WARN(
+ php_slot,
+ "Attempting complete PHB reset before retrying slot activation\n");
+ for (i = 0; i < 3; i++) {
+ /*
+ * Slot activation failed, PHB may be fenced from a
+ * prior device failure.
+ *
+ * Use the OPAL fundamental reset call to both try a
+ * device reset and clear any potentially active PHB
+ * fence / freeze.
+ */
+ SLOT_WARN(php_slot, "Try %d...\n", i + 1);
+ pci_set_pcie_reset_state(php_slot->pdev,
+ pcie_warm_reset);
+ msleep(250);
+ pci_set_pcie_reset_state(php_slot->pdev,
+ pcie_deassert_reset);
+
+ ret = pnv_php_set_slot_power_state(
+ slot, OPAL_PCI_SLOT_POWER_ON);
+ if (!ret)
+ break;
+ }
+
+ if (i >= 3)
+ SLOT_WARN(php_slot,
+ "Failed to bring slot online, aborting!\n");
+ }
+
+ return ret;
+}
+
static int pnv_php_enable(struct pnv_php_slot *php_slot, bool rescan)
{
struct hotplug_slot *slot = &php_slot->slot;
@@ -504,7 +601,7 @@ static int pnv_php_enable(struct pnv_php_slot *php_slot, bool rescan)
goto scan;
/* Power is off, turn it on and then scan the slot */
- ret = pnv_php_set_slot_power_state(slot, OPAL_PCI_SLOT_POWER_ON);
+ ret = pnv_php_activate_slot(php_slot, slot);
if (ret)
return ret;
@@ -561,8 +658,58 @@ static int pnv_php_reset_slot(struct hotplug_slot *slot, bool probe)
static int pnv_php_enable_slot(struct hotplug_slot *slot)
{
struct pnv_php_slot *php_slot = to_pnv_php_slot(slot);
+ u32 prop32;
+ int ret;
+
+ ret = pnv_php_enable(php_slot, true);
+ if (ret)
+ return ret;
+
+ /* (Re-)enable interrupt if the slot supports surprise hotplug */
+ ret = of_property_read_u32(php_slot->dn, "ibm,slot-surprise-pluggable",
+ &prop32);
+ if (!ret && prop32)
+ pnv_php_enable_irq(php_slot);
+
+ return 0;
+}
+
+/*
+ * Disable any hotplug interrupts for all slots on the provided bus, as well as
+ * all downstream slots in preparation for a hot unplug.
+ */
+static int pnv_php_disable_all_irqs(struct pci_bus *bus)
+{
+ struct pci_bus *child_bus;
+ struct pci_slot *slot;
+
+ /* First go down child buses */
+ list_for_each_entry(child_bus, &bus->children, node)
+ pnv_php_disable_all_irqs(child_bus);
+
+ /* Disable IRQs for all pnv_php slots on this bus */
+ list_for_each_entry(slot, &bus->slots, list) {
+ struct pnv_php_slot *php_slot = to_pnv_php_slot(slot->hotplug);
- return pnv_php_enable(php_slot, true);
+ pnv_php_disable_irq(php_slot, false, true);
+ }
+
+ return 0;
+}
+
+/*
+ * Disable any hotplug interrupts for all downstream slots on the provided
+ * bus in preparation for a hot unplug.
+ */
+static int pnv_php_disable_all_downstream_irqs(struct pci_bus *bus)
+{
+ struct pci_bus *child_bus;
+
+ /* Go down child buses, recursively deactivating their IRQs */
+ list_for_each_entry(child_bus, &bus->children, node)
+ pnv_php_disable_all_irqs(child_bus);
+
+ return 0;
}
static int pnv_php_disable_slot(struct hotplug_slot *slot)
@@ -579,6 +726,13 @@ static int pnv_php_disable_slot(struct hotplug_slot *slot)
php_slot->state != PNV_PHP_STATE_REGISTERED)
return 0;
+ /*
+ * Free all IRQ resources from all child slots before remove.
+ * Note that we do not disable the root slot IRQ here as that
+ * would also deactivate the slot hot (re)plug interrupt!
+ */
+ pnv_php_disable_all_downstream_irqs(php_slot->bus);
+
/* Remove all devices behind the slot */
pci_lock_rescan_remove();
pci_hp_remove_devices(php_slot->bus);
@@ -647,6 +801,15 @@ static struct pnv_php_slot *pnv_php_alloc_slot(struct device_node *dn)
return NULL;
}
+ /* Allocate workqueue for this slot's interrupt handling */
+ php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
+ if (!php_slot->wq) {
+ SLOT_WARN(php_slot, "Cannot alloc workqueue\n");
+ kfree(php_slot->name);
+ kfree(php_slot);
+ return NULL;
+ }
+
if (dn->child && PCI_DN(dn->child))
php_slot->slot_no = PCI_SLOT(PCI_DN(dn->child)->devfn);
else
@@ -745,16 +908,63 @@ static int pnv_php_enable_msix(struct pnv_php_slot *php_slot)
return entry.vector;
}
+static void
+pnv_php_detect_clear_suprise_removal_freeze(struct pnv_php_slot *php_slot)
+{
+ struct pci_dev *pdev = php_slot->pdev;
+ struct eeh_dev *edev;
+ struct eeh_pe *pe;
+ int i, rc;
+
+ /*
+ * When a device is surprise removed from a downstream bridge slot,
+ * the upstream bridge port can still end up frozen due to related EEH
+ * events, which will in turn block the MSI interrupts for slot hotplug
+ * detection.
+ *
+ * Detect and thaw any frozen upstream PE after slot deactivation.
+ */
+ edev = pci_dev_to_eeh_dev(pdev);
+ pe = edev ? edev->pe : NULL;
+ rc = eeh_pe_get_state(pe);
+ if ((rc == -ENODEV) || (rc == -ENOENT)) {
+ SLOT_WARN(
+ php_slot,
+ "Upstream bridge PE state unknown, hotplug detect may fail\n");
+ } else {
+ if (pe->state & EEH_PE_ISOLATED) {
+ SLOT_WARN(
+ php_slot,
+ "Upstream bridge PE %02x frozen, thawing...\n",
+ pe->addr);
+ for (i = 0; i < 3; i++)
+ if (!eeh_unfreeze_pe(pe))
+ break;
+ if (i >= 3)
+ SLOT_WARN(
+ php_slot,
+ "Unable to thaw PE %02x, hotplug detect will fail!\n",
+ pe->addr);
+ else
+ SLOT_WARN(php_slot,
+ "PE %02x thawed successfully\n",
+ pe->addr);
+ }
+ }
+}
+
static void pnv_php_event_handler(struct work_struct *work)
{
struct pnv_php_event *event =
container_of(work, struct pnv_php_event, work);
struct pnv_php_slot *php_slot = event->php_slot;
- if (event->added)
+ if (event->added) {
pnv_php_enable_slot(&php_slot->slot);
- else
+ } else {
pnv_php_disable_slot(&php_slot->slot);
+ pnv_php_detect_clear_suprise_removal_freeze(php_slot);
+ }
kfree(event);
}
@@ -843,14 +1053,6 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
u16 sts, ctrl;
int ret;
- /* Allocate workqueue */
- php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
- if (!php_slot->wq) {
- SLOT_WARN(php_slot, "Cannot alloc workqueue\n");
- pnv_php_disable_irq(php_slot, true);
- return;
- }
-
/* Check PDC (Presence Detection Change) is broken or not */
ret = of_property_read_u32(php_slot->dn, "ibm,slot-broken-pdc",
&broken_pdc);
@@ -869,7 +1071,7 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
ret = request_irq(irq, pnv_php_interrupt, IRQF_SHARED,
php_slot->name, php_slot);
if (ret) {
- pnv_php_disable_irq(php_slot, true);
+ pnv_php_disable_irq(php_slot, true, true);
SLOT_WARN(php_slot, "Error %d enabling IRQ %d\n", ret, irq);
return;
}
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 9aec922613ce..64f6e9756aff 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -483,15 +483,6 @@ config RTC_DRV_PCF8523
This driver can also be built as a module. If so, the module
will be called rtc-pcf8523.
-config RTC_DRV_PCF85063
- tristate "NXP PCF85063"
- select REGMAP_I2C
- help
- If you say yes here you get support for the PCF85063 RTC chip
-
- This driver can also be built as a module. If so, the module
- will be called rtc-pcf85063.
-
config RTC_DRV_PCF85363
tristate "NXP PCF85363"
select REGMAP_I2C
@@ -971,6 +962,18 @@ config RTC_DRV_PCF2127
This driver can also be built as a module. If so, the module
will be called rtc-pcf2127.
+config RTC_DRV_PCF85063
+ tristate "NXP PCF85063"
+ depends on RTC_I2C_AND_SPI
+ select REGMAP_I2C if I2C
+ select REGMAP_SPI if SPI_MASTER
+ help
+ If you say yes here you get support for the PCF85063 and RV8063
+ RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-pcf85063.
+
config RTC_DRV_RV3029C2
tristate "Micro Crystal RV3029/3049"
depends on RTC_I2C_AND_SPI
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 4619aa2ac469..789bddfea99d 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -15,7 +15,7 @@ rtc-core-$(CONFIG_RTC_INTF_DEV) += dev.o
rtc-core-$(CONFIG_RTC_INTF_PROC) += proc.o
rtc-core-$(CONFIG_RTC_INTF_SYSFS) += sysfs.o
-obj-$(CONFIG_RTC_LIB_KUNIT_TEST) += lib_test.o
+obj-$(CONFIG_RTC_LIB_KUNIT_TEST) += test_rtc_lib.o
# Keep the list ordered.
diff --git a/drivers/rtc/lib.c b/drivers/rtc/lib.c
index 13b5b1f20465..f7051592a6e3 100644
--- a/drivers/rtc/lib.c
+++ b/drivers/rtc/lib.c
@@ -51,7 +51,7 @@ EXPORT_SYMBOL(rtc_year_days);
*/
void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
{
- int days, secs;
+ int secs;
u64 u64tmp;
u32 u32tmp, udays, century, day_of_century, year_of_century, year,
@@ -59,28 +59,26 @@ void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
bool is_Jan_or_Feb, is_leap_year;
/*
- * Get days and seconds while preserving the sign to
- * handle negative time values (dates before 1970-01-01)
+ * The time represented by `time` is given in seconds since 1970-01-01
+ * (UTC). As the division done below might misbehave for negative
+ * values, we convert it to seconds since 0000-03-01 and then assume it
+ * will be non-negative.
+ * Below we do 4 * udays + 3 which should fit into a 32 bit unsigned
+ * variable. So the latest date this algorithm works for is 1073741823
+ * days after 0000-03-01 which is in the year 2939805.
*/
- days = div_s64_rem(time, 86400, &secs);
+ time += (u64)719468 * 86400;
+
+ udays = div_s64_rem(time, 86400, &secs);
/*
- * We need 0 <= secs < 86400 which isn't given for negative
- * values of time. Fixup accordingly.
+ * day of the week, 0000-03-01 was a Wednesday (in the proleptic
+ * Gregorian calendar)
*/
- if (secs < 0) {
- days -= 1;
- secs += 86400;
- }
-
- /* day of the week, 1970-01-01 was a Thursday */
- tm->tm_wday = (days + 4) % 7;
- /* Ensure tm_wday is always positive */
- if (tm->tm_wday < 0)
- tm->tm_wday += 7;
+ tm->tm_wday = (udays + 3) % 7;
/*
- * The following algorithm is, basically, Proposition 6.3 of Neri
+ * The following algorithm is, basically, Figure 12 of Neri
* and Schneider [1]. In a few words: it works on the computational
* (fictitious) calendar where the year starts in March, month = 2
* (*), and finishes in February, month = 13. This calendar is
@@ -100,15 +98,15 @@ void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
* (using just arithmetics) it's easy to convert it to the
* corresponding date in the Gregorian calendar.
*
- * [1] "Euclidean Affine Functions and Applications to Calendar
- * Algorithms". https://arxiv.org/abs/2102.06959
+ * [1] Neri C, Schneider L. Euclidean affine functions and their
+ * application to calendar algorithms. Softw Pract Exper.
+ * 2023;53(4):937-970. doi: 10.1002/spe.3172
+ * https://doi.org/10.1002/spe.3172
*
* (*) The numbering of months follows rtc_time more closely and
* thus, is slightly different from [1].
*/
- udays = days + 719468;
-
u32tmp = 4 * udays + 3;
century = u32tmp / 146097;
day_of_century = u32tmp % 146097 / 4;
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 5efbe69bf5ca..7205c59ff729 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -279,6 +279,13 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
if (tmp & DS1340_BIT_OSF)
return -EINVAL;
break;
+ case ds_1341:
+ ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &tmp);
+ if (ret)
+ return ret;
+ if (tmp & DS1337_BIT_OSF)
+ return -EINVAL;
+ break;
case ds_1388:
ret = regmap_read(ds1307->regmap, DS1388_REG_FLAG, &tmp);
if (ret)
@@ -377,6 +384,10 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
regmap_update_bits(ds1307->regmap, DS1340_REG_FLAG,
DS1340_BIT_OSF, 0);
break;
+ case ds_1341:
+ regmap_update_bits(ds1307->regmap, DS1337_REG_STATUS,
+ DS1337_BIT_OSF, 0);
+ break;
case ds_1388:
regmap_update_bits(ds1307->regmap, DS1388_REG_FLAG,
DS1388_BIT_OSF, 0);
@@ -1456,16 +1467,21 @@ static unsigned long ds3231_clk_sqw_recalc_rate(struct clk_hw *hw,
return ds3231_clk_sqw_rates[rate_sel];
}
-static long ds3231_clk_sqw_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int ds3231_clk_sqw_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = ARRAY_SIZE(ds3231_clk_sqw_rates) - 1; i >= 0; i--) {
- if (ds3231_clk_sqw_rates[i] <= rate)
- return ds3231_clk_sqw_rates[i];
+ if (ds3231_clk_sqw_rates[i] <= req->rate) {
+ req->rate = ds3231_clk_sqw_rates[i];
+
+ return 0;
+ }
}
+ req->rate = ds3231_clk_sqw_rates[ARRAY_SIZE(ds3231_clk_sqw_rates) - 1];
+
return 0;
}
@@ -1525,7 +1541,7 @@ static const struct clk_ops ds3231_clk_sqw_ops = {
.unprepare = ds3231_clk_sqw_unprepare,
.is_prepared = ds3231_clk_sqw_is_prepared,
.recalc_rate = ds3231_clk_sqw_recalc_rate,
- .round_rate = ds3231_clk_sqw_round_rate,
+ .determine_rate = ds3231_clk_sqw_determine_rate,
.set_rate = ds3231_clk_sqw_set_rate,
};
@@ -1813,10 +1829,8 @@ static int ds1307_probe(struct i2c_client *client)
regmap_write(ds1307->regmap, DS1337_REG_CONTROL,
regs[0]);
- /* oscillator fault? clear flag, and warn */
+ /* oscillator fault? warn */
if (regs[1] & DS1337_BIT_OSF) {
- regmap_write(ds1307->regmap, DS1337_REG_STATUS,
- regs[1] & ~DS1337_BIT_OSF);
dev_warn(ds1307->dev, "SET TIME!\n");
}
break;
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 38e25f63597a..97423f1d0361 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -3,7 +3,7 @@
* An rtc driver for the Dallas/Maxim DS1685/DS1687 and related real-time
* chips.
*
- * Copyright (C) 2011-2014 Joshua Kinard <kumba@gentoo.org>.
+ * Copyright (C) 2011-2014 Joshua Kinard <linux@kumba.dev>.
* Copyright (C) 2009 Matthias Fuchs <matthias.fuchs@esd-electronics.com>.
*
* References:
@@ -1436,7 +1436,7 @@ EXPORT_SYMBOL_GPL(ds1685_rtc_poweroff);
/* ----------------------------------------------------------------------- */
-MODULE_AUTHOR("Joshua Kinard <kumba@gentoo.org>");
+MODULE_AUTHOR("Joshua Kinard <linux@kumba.dev>");
MODULE_AUTHOR("Matthias Fuchs <matthias.fuchs@esd-electronics.com>");
MODULE_DESCRIPTION("Dallas/Maxim DS1685/DS1687-series RTC driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index 63f11ea3589d..7a170c0f9710 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -285,14 +285,19 @@ static unsigned long hym8563_clkout_recalc_rate(struct clk_hw *hw,
return clkout_rates[ret];
}
-static long hym8563_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int hym8563_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = 0; i < ARRAY_SIZE(clkout_rates); i++)
- if (clkout_rates[i] <= rate)
- return clkout_rates[i];
+ if (clkout_rates[i] <= req->rate) {
+ req->rate = clkout_rates[i];
+
+ return 0;
+ }
+
+ req->rate = clkout_rates[0];
return 0;
}
@@ -363,7 +368,7 @@ static const struct clk_ops hym8563_clkout_ops = {
.unprepare = hym8563_clkout_unprepare,
.is_prepared = hym8563_clkout_is_prepared,
.recalc_rate = hym8563_clkout_recalc_rate,
- .round_rate = hym8563_clkout_round_rate,
+ .determine_rate = hym8563_clkout_determine_rate,
.set_rate = hym8563_clkout_set_rate,
};
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index c568639d2151..740cab013f59 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -72,7 +72,7 @@
static const struct i2c_device_id m41t80_id[] = {
{ "m41t62", M41T80_FEATURE_SQ | M41T80_FEATURE_SQ_ALT },
- { "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD },
+ { "m41t65", M41T80_FEATURE_WD },
{ "m41t80", M41T80_FEATURE_SQ },
{ "m41t81", M41T80_FEATURE_HT | M41T80_FEATURE_SQ},
{ "m41t81s", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
@@ -93,7 +93,7 @@ static const __maybe_unused struct of_device_id m41t80_of_match[] = {
},
{
.compatible = "st,m41t65",
- .data = (void *)(M41T80_FEATURE_HT | M41T80_FEATURE_WD)
+ .data = (void *)(M41T80_FEATURE_WD)
},
{
.compatible = "st,m41t80",
@@ -484,16 +484,17 @@ static unsigned long m41t80_sqw_recalc_rate(struct clk_hw *hw,
return sqw_to_m41t80_data(hw)->freq;
}
-static long m41t80_sqw_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int m41t80_sqw_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- if (rate >= M41T80_SQW_MAX_FREQ)
- return M41T80_SQW_MAX_FREQ;
- if (rate >= M41T80_SQW_MAX_FREQ / 4)
- return M41T80_SQW_MAX_FREQ / 4;
- if (!rate)
- return 0;
- return 1 << ilog2(rate);
+ if (req->rate >= M41T80_SQW_MAX_FREQ)
+ req->rate = M41T80_SQW_MAX_FREQ;
+ else if (req->rate >= M41T80_SQW_MAX_FREQ / 4)
+ req->rate = M41T80_SQW_MAX_FREQ / 4;
+ else if (req->rate)
+ req->rate = 1 << ilog2(req->rate);
+
+ return 0;
}
static int m41t80_sqw_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -564,7 +565,7 @@ static const struct clk_ops m41t80_sqw_ops = {
.unprepare = m41t80_sqw_unprepare,
.is_prepared = m41t80_sqw_is_prepared,
.recalc_rate = m41t80_sqw_recalc_rate,
- .round_rate = m41t80_sqw_round_rate,
+ .determine_rate = m41t80_sqw_determine_rate,
.set_rate = m41t80_sqw_set_rate,
};
diff --git a/drivers/rtc/rtc-max31335.c b/drivers/rtc/rtc-max31335.c
index a7bb37aaab9e..dfb5bad3a369 100644
--- a/drivers/rtc/rtc-max31335.c
+++ b/drivers/rtc/rtc-max31335.c
@@ -497,15 +497,17 @@ static unsigned long max31335_clkout_recalc_rate(struct clk_hw *hw,
return max31335_clkout_freq[reg & freq_mask];
}
-static long max31335_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int max31335_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int index;
- index = find_closest(rate, max31335_clkout_freq,
+ index = find_closest(req->rate, max31335_clkout_freq,
ARRAY_SIZE(max31335_clkout_freq));
- return max31335_clkout_freq[index];
+ req->rate = max31335_clkout_freq[index];
+
+ return 0;
}
static int max31335_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -554,7 +556,7 @@ static int max31335_clkout_is_enabled(struct clk_hw *hw)
static const struct clk_ops max31335_clkout_ops = {
.recalc_rate = max31335_clkout_recalc_rate,
- .round_rate = max31335_clkout_round_rate,
+ .determine_rate = max31335_clkout_determine_rate,
.set_rate = max31335_clkout_set_rate,
.enable = max31335_clkout_enable,
.disable = max31335_clkout_disable,
diff --git a/drivers/rtc/rtc-nct3018y.c b/drivers/rtc/rtc-nct3018y.c
index 76c5f464b2da..cd4b1db902e9 100644
--- a/drivers/rtc/rtc-nct3018y.c
+++ b/drivers/rtc/rtc-nct3018y.c
@@ -367,14 +367,19 @@ static unsigned long nct3018y_clkout_recalc_rate(struct clk_hw *hw,
return clkout_rates[flags];
}
-static long nct3018y_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int nct3018y_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = 0; i < ARRAY_SIZE(clkout_rates); i++)
- if (clkout_rates[i] <= rate)
- return clkout_rates[i];
+ if (clkout_rates[i] <= req->rate) {
+ req->rate = clkout_rates[i];
+
+ return 0;
+ }
+
+ req->rate = clkout_rates[0];
return 0;
}
@@ -446,7 +451,7 @@ static const struct clk_ops nct3018y_clkout_ops = {
.unprepare = nct3018y_clkout_unprepare,
.is_prepared = nct3018y_clkout_is_prepared,
.recalc_rate = nct3018y_clkout_recalc_rate,
- .round_rate = nct3018y_clkout_round_rate,
+ .determine_rate = nct3018y_clkout_determine_rate,
.set_rate = nct3018y_clkout_set_rate,
};
diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index 4fa5c4ecdd5a..f643e0bd7351 100644
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -17,6 +17,7 @@
#include <linux/of.h>
#include <linux/pm_wakeirq.h>
#include <linux/regmap.h>
+#include <linux/spi/spi.h>
/*
* Information for this driver was pulled from the following datasheets.
@@ -29,6 +30,9 @@
*
* https://www.microcrystal.com/fileadmin/Media/Products/RTC/App.Manual/RV-8263-C7_App-Manual.pdf
* RV8263 -- Rev. 1.0 — January 2019
+ *
+ * https://www.microcrystal.com/fileadmin/Media/Products/RTC/App.Manual/RV-8063-C7_App-Manual.pdf
+ * RV8063 -- Rev. 1.1 - October 2018
*/
#define PCF85063_REG_CTRL1 0x00 /* status */
@@ -401,14 +405,19 @@ static unsigned long pcf85063_clkout_recalc_rate(struct clk_hw *hw,
return clkout_rates[buf];
}
-static long pcf85063_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int pcf85063_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = 0; i < ARRAY_SIZE(clkout_rates); i++)
- if (clkout_rates[i] <= rate)
- return clkout_rates[i];
+ if (clkout_rates[i] <= req->rate) {
+ req->rate = clkout_rates[i];
+
+ return 0;
+ }
+
+ req->rate = clkout_rates[0];
return 0;
}
@@ -482,7 +491,7 @@ static const struct clk_ops pcf85063_clkout_ops = {
.unprepare = pcf85063_clkout_unprepare,
.is_prepared = pcf85063_clkout_is_prepared,
.recalc_rate = pcf85063_clkout_recalc_rate,
- .round_rate = pcf85063_clkout_round_rate,
+ .determine_rate = pcf85063_clkout_determine_rate,
.set_rate = pcf85063_clkout_set_rate,
};
@@ -524,47 +533,12 @@ static struct clk *pcf85063_clkout_register_clk(struct pcf85063 *pcf85063)
}
#endif
-static const struct pcf85063_config config_pcf85063 = {
- .regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = 0x0a,
- },
-};
-
-static const struct pcf85063_config config_pcf85063tp = {
- .regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = 0x0a,
- },
-};
-
-static const struct pcf85063_config config_pcf85063a = {
- .regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = 0x11,
- },
- .has_alarms = 1,
-};
-
-static const struct pcf85063_config config_rv8263 = {
- .regmap = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = 0x11,
- },
- .has_alarms = 1,
- .force_cap_7000 = 1,
-};
-
-static int pcf85063_probe(struct i2c_client *client)
+static int pcf85063_probe(struct device *dev, struct regmap *regmap, int irq,
+ const struct pcf85063_config *config)
{
struct pcf85063 *pcf85063;
unsigned int tmp;
int err;
- const struct pcf85063_config *config;
struct nvmem_config nvmem_cfg = {
.name = "pcf85063_nvram",
.reg_read = pcf85063_nvmem_read,
@@ -573,28 +547,22 @@ static int pcf85063_probe(struct i2c_client *client)
.size = 1,
};
- dev_dbg(&client->dev, "%s\n", __func__);
+ dev_dbg(dev, "%s\n", __func__);
- pcf85063 = devm_kzalloc(&client->dev, sizeof(struct pcf85063),
+ pcf85063 = devm_kzalloc(dev, sizeof(struct pcf85063),
GFP_KERNEL);
if (!pcf85063)
return -ENOMEM;
- config = i2c_get_match_data(client);
- if (!config)
- return -ENODEV;
-
- pcf85063->regmap = devm_regmap_init_i2c(client, &config->regmap);
- if (IS_ERR(pcf85063->regmap))
- return PTR_ERR(pcf85063->regmap);
+ pcf85063->regmap = regmap;
- i2c_set_clientdata(client, pcf85063);
+ dev_set_drvdata(dev, pcf85063);
err = regmap_read(pcf85063->regmap, PCF85063_REG_SC, &tmp);
if (err)
- return dev_err_probe(&client->dev, err, "RTC chip is not present\n");
+ return dev_err_probe(dev, err, "RTC chip is not present\n");
- pcf85063->rtc = devm_rtc_allocate_device(&client->dev);
+ pcf85063->rtc = devm_rtc_allocate_device(dev);
if (IS_ERR(pcf85063->rtc))
return PTR_ERR(pcf85063->rtc);
@@ -605,19 +573,17 @@ static int pcf85063_probe(struct i2c_client *client)
* of the registers after the automatic power-on reset...
*/
if (tmp & PCF85063_REG_SC_OS) {
- dev_warn(&client->dev,
- "POR issue detected, sending a SW reset\n");
+ dev_warn(dev, "POR issue detected, sending a SW reset\n");
err = regmap_write(pcf85063->regmap, PCF85063_REG_CTRL1,
PCF85063_REG_CTRL1_SWR);
if (err < 0)
- dev_warn(&client->dev,
- "SW reset failed, trying to continue\n");
+ dev_warn(dev, "SW reset failed, trying to continue\n");
}
- err = pcf85063_load_capacitance(pcf85063, client->dev.of_node,
+ err = pcf85063_load_capacitance(pcf85063, dev->of_node,
config->force_cap_7000 ? 7000 : 0);
if (err < 0)
- dev_warn(&client->dev, "failed to set xtal load capacitance: %d",
+ dev_warn(dev, "failed to set xtal load capacitance: %d",
err);
pcf85063->rtc->ops = &pcf85063_rtc_ops;
@@ -627,13 +593,13 @@ static int pcf85063_probe(struct i2c_client *client)
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf85063->rtc->features);
clear_bit(RTC_FEATURE_ALARM, pcf85063->rtc->features);
- if (config->has_alarms && client->irq > 0) {
+ if (config->has_alarms && irq > 0) {
unsigned long irqflags = IRQF_TRIGGER_LOW;
- if (dev_fwnode(&client->dev))
+ if (dev_fwnode(dev))
irqflags = 0;
- err = devm_request_threaded_irq(&client->dev, client->irq,
+ err = devm_request_threaded_irq(dev, irq,
NULL, pcf85063_rtc_handle_irq,
irqflags | IRQF_ONESHOT,
"pcf85063", pcf85063);
@@ -642,8 +608,8 @@ static int pcf85063_probe(struct i2c_client *client)
"unable to request IRQ, alarms disabled\n");
} else {
set_bit(RTC_FEATURE_ALARM, pcf85063->rtc->features);
- device_init_wakeup(&client->dev, true);
- err = dev_pm_set_wake_irq(&client->dev, client->irq);
+ device_init_wakeup(dev, true);
+ err = dev_pm_set_wake_irq(dev, irq);
if (err)
dev_err(&pcf85063->rtc->dev,
"failed to enable irq wake\n");
@@ -661,6 +627,43 @@ static int pcf85063_probe(struct i2c_client *client)
return devm_rtc_register_device(pcf85063->rtc);
}
+#if IS_ENABLED(CONFIG_I2C)
+
+static const struct pcf85063_config config_pcf85063 = {
+ .regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x0a,
+ },
+};
+
+static const struct pcf85063_config config_pcf85063tp = {
+ .regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x0a,
+ },
+};
+
+static const struct pcf85063_config config_pcf85063a = {
+ .regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x11,
+ },
+ .has_alarms = 1,
+};
+
+static const struct pcf85063_config config_rv8263 = {
+ .regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x11,
+ },
+ .has_alarms = 1,
+ .force_cap_7000 = 1,
+};
+
static const struct i2c_device_id pcf85063_ids[] = {
{ "pca85073a", .driver_data = (kernel_ulong_t)&config_pcf85063a },
{ "pcf85063", .driver_data = (kernel_ulong_t)&config_pcf85063 },
@@ -683,16 +686,146 @@ static const struct of_device_id pcf85063_of_match[] = {
MODULE_DEVICE_TABLE(of, pcf85063_of_match);
#endif
+static int pcf85063_i2c_probe(struct i2c_client *client)
+{
+ const struct pcf85063_config *config;
+ struct regmap *regmap;
+
+ config = i2c_get_match_data(client);
+ if (!config)
+ return -ENODEV;
+
+ regmap = devm_regmap_init_i2c(client, &config->regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return pcf85063_probe(&client->dev, regmap, client->irq, config);
+}
+
static struct i2c_driver pcf85063_driver = {
.driver = {
.name = "rtc-pcf85063",
.of_match_table = of_match_ptr(pcf85063_of_match),
},
- .probe = pcf85063_probe,
+ .probe = pcf85063_i2c_probe,
.id_table = pcf85063_ids,
};
-module_i2c_driver(pcf85063_driver);
+static int pcf85063_register_driver(void)
+{
+ return i2c_add_driver(&pcf85063_driver);
+}
+
+static void pcf85063_unregister_driver(void)
+{
+ i2c_del_driver(&pcf85063_driver);
+}
+
+#else
+
+static int pcf85063_register_driver(void)
+{
+ return 0;
+}
+
+static void pcf85063_unregister_driver(void)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_I2C) */
+
+#if IS_ENABLED(CONFIG_SPI_MASTER)
+
+static const struct pcf85063_config config_rv8063 = {
+ .regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x11,
+ .read_flag_mask = BIT(7) | BIT(5),
+ .write_flag_mask = BIT(5),
+ },
+ .has_alarms = 1,
+ .force_cap_7000 = 1,
+};
+
+static const struct spi_device_id rv8063_id[] = {
+ { "rv8063" },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, rv8063_id);
+
+static const struct of_device_id rv8063_of_match[] = {
+ { .compatible = "microcrystal,rv8063" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rv8063_of_match);
+
+static int rv8063_probe(struct spi_device *spi)
+{
+ const struct pcf85063_config *config = &config_rv8063;
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_spi(spi, &config->regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return pcf85063_probe(&spi->dev, regmap, spi->irq, config);
+}
+
+static struct spi_driver rv8063_driver = {
+ .driver = {
+ .name = "rv8063",
+ .of_match_table = rv8063_of_match,
+ },
+ .probe = rv8063_probe,
+ .id_table = rv8063_id,
+};
+
+static int __init rv8063_register_driver(void)
+{
+ return spi_register_driver(&rv8063_driver);
+}
+
+static void __exit rv8063_unregister_driver(void)
+{
+ spi_unregister_driver(&rv8063_driver);
+}
+
+#else
+
+static int __init rv8063_register_driver(void)
+{
+ return 0;
+}
+
+static void __exit rv8063_unregister_driver(void)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_SPI_MASTER) */
+
+static int __init pcf85063_init(void)
+{
+ int ret;
+
+ ret = pcf85063_register_driver();
+ if (ret)
+ return ret;
+
+ ret = rv8063_register_driver();
+ if (ret)
+ pcf85063_unregister_driver();
+
+ return ret;
+}
+module_init(pcf85063_init);
+
+static void __exit pcf85063_exit(void)
+{
+ rv8063_unregister_driver();
+ pcf85063_unregister_driver();
+}
+module_exit(pcf85063_exit);
MODULE_AUTHOR("Søren Andersen <san@rosetechnology.dk>");
MODULE_DESCRIPTION("PCF85063 RTC driver");
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index b2611697fa5e..4e61011fb7a9 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -330,14 +330,19 @@ static unsigned long pcf8563_clkout_recalc_rate(struct clk_hw *hw,
return clkout_rates[buf];
}
-static long pcf8563_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int pcf8563_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = 0; i < ARRAY_SIZE(clkout_rates); i++)
- if (clkout_rates[i] <= rate)
- return clkout_rates[i];
+ if (clkout_rates[i] <= req->rate) {
+ req->rate = clkout_rates[i];
+
+ return 0;
+ }
+
+ req->rate = clkout_rates[0];
return 0;
}
@@ -413,7 +418,7 @@ static const struct clk_ops pcf8563_clkout_ops = {
.unprepare = pcf8563_clkout_unprepare,
.is_prepared = pcf8563_clkout_is_prepared,
.recalc_rate = pcf8563_clkout_recalc_rate,
- .round_rate = pcf8563_clkout_round_rate,
+ .determine_rate = pcf8563_clkout_determine_rate,
.set_rate = pcf8563_clkout_set_rate,
};
diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
index 868d1b1eb0f4..c2a531f0e125 100644
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -731,14 +731,19 @@ static unsigned long rv3028_clkout_recalc_rate(struct clk_hw *hw,
return clkout_rates[clkout];
}
-static long rv3028_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int rv3028_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i;
for (i = 0; i < ARRAY_SIZE(clkout_rates); i++)
- if (clkout_rates[i] <= rate)
- return clkout_rates[i];
+ if (clkout_rates[i] <= req->rate) {
+ req->rate = clkout_rates[i];
+
+ return 0;
+ }
+
+ req->rate = clkout_rates[0];
return 0;
}
@@ -802,7 +807,7 @@ static const struct clk_ops rv3028_clkout_ops = {
.unprepare = rv3028_clkout_unprepare,
.is_prepared = rv3028_clkout_is_prepared,
.recalc_rate = rv3028_clkout_recalc_rate,
- .round_rate = rv3028_clkout_round_rate,
+ .determine_rate = rv3028_clkout_determine_rate,
.set_rate = rv3028_clkout_set_rate,
};
diff --git a/drivers/rtc/rtc-rv3032.c b/drivers/rtc/rtc-rv3032.c
index 2c6a8918acba..b8376bd1d905 100644
--- a/drivers/rtc/rtc-rv3032.c
+++ b/drivers/rtc/rtc-rv3032.c
@@ -646,19 +646,24 @@ static unsigned long rv3032_clkout_recalc_rate(struct clk_hw *hw,
return clkout_xtal_rates[FIELD_GET(RV3032_CLKOUT2_FD_MSK, clkout)];
}
-static long rv3032_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int rv3032_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
int i, hfd;
- if (rate < RV3032_HFD_STEP)
+ if (req->rate < RV3032_HFD_STEP)
for (i = 0; i < ARRAY_SIZE(clkout_xtal_rates); i++)
- if (clkout_xtal_rates[i] <= rate)
- return clkout_xtal_rates[i];
+ if (clkout_xtal_rates[i] <= req->rate) {
+ req->rate = clkout_xtal_rates[i];
- hfd = DIV_ROUND_CLOSEST(rate, RV3032_HFD_STEP);
+ return 0;
+ }
+
+ hfd = DIV_ROUND_CLOSEST(req->rate, RV3032_HFD_STEP);
- return RV3032_HFD_STEP * clamp(hfd, 0, 8192);
+ req->rate = RV3032_HFD_STEP * clamp(hfd, 0, 8192);
+
+ return 0;
}
static int rv3032_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -738,7 +743,7 @@ static const struct clk_ops rv3032_clkout_ops = {
.unprepare = rv3032_clkout_unprepare,
.is_prepared = rv3032_clkout_is_prepared,
.recalc_rate = rv3032_clkout_recalc_rate,
- .round_rate = rv3032_clkout_round_rate,
+ .determine_rate = rv3032_clkout_determine_rate,
.set_rate = rv3032_clkout_set_rate,
};
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 5dd575865adf..79b2a16f15ad 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -549,25 +549,25 @@ static void s3c6410_rtc_irq(struct s3c_rtc *info, int mask)
writeb(mask, info->base + S3C2410_INTP);
}
-static struct s3c_rtc_data const s3c2410_rtc_data = {
+static const struct s3c_rtc_data s3c2410_rtc_data = {
.irq_handler = s3c24xx_rtc_irq,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
-static struct s3c_rtc_data const s3c2416_rtc_data = {
+static const struct s3c_rtc_data s3c2416_rtc_data = {
.irq_handler = s3c24xx_rtc_irq,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
-static struct s3c_rtc_data const s3c2443_rtc_data = {
+static const struct s3c_rtc_data s3c2443_rtc_data = {
.irq_handler = s3c24xx_rtc_irq,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
-static struct s3c_rtc_data const s3c6410_rtc_data = {
+static const struct s3c_rtc_data s3c6410_rtc_data = {
.needs_src_clk = true,
.irq_handler = s3c6410_rtc_irq,
.enable = s3c24xx_rtc_enable,
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index f15ef3aa82a0..619800a00479 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -455,7 +455,7 @@ static void __exit sh_rtc_remove(struct platform_device *pdev)
clk_disable(rtc->clk);
}
-static int __maybe_unused sh_rtc_suspend(struct device *dev)
+static int sh_rtc_suspend(struct device *dev)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
@@ -465,7 +465,7 @@ static int __maybe_unused sh_rtc_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused sh_rtc_resume(struct device *dev)
+static int sh_rtc_resume(struct device *dev)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
@@ -475,7 +475,7 @@ static int __maybe_unused sh_rtc_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(sh_rtc_pm_ops, sh_rtc_suspend, sh_rtc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(sh_rtc_pm_ops, sh_rtc_suspend, sh_rtc_resume);
static const struct of_device_id sh_rtc_of_match[] = {
{ .compatible = "renesas,sh-rtc", },
@@ -492,7 +492,7 @@ MODULE_DEVICE_TABLE(of, sh_rtc_of_match);
static struct platform_driver sh_rtc_platform_driver __refdata = {
.driver = {
.name = DRV_NAME,
- .pm = &sh_rtc_pm_ops,
+ .pm = pm_sleep_ptr(&sh_rtc_pm_ops),
.of_match_table = sh_rtc_of_match,
},
.remove = __exit_p(sh_rtc_remove),
diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
index e3062c4d3f2c..4ab05e105a76 100644
--- a/drivers/rtc/sysfs.c
+++ b/drivers/rtc/sysfs.c
@@ -24,8 +24,8 @@
static ssize_t
name_show(struct device *dev, struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%s %s\n", dev_driver_string(dev->parent),
- dev_name(dev->parent));
+ return sysfs_emit(buf, "%s %s\n", dev_driver_string(dev->parent),
+ dev_name(dev->parent));
}
static DEVICE_ATTR_RO(name);
@@ -39,7 +39,7 @@ date_show(struct device *dev, struct device_attribute *attr, char *buf)
if (retval)
return retval;
- return sprintf(buf, "%ptRd\n", &tm);
+ return sysfs_emit(buf, "%ptRd\n", &tm);
}
static DEVICE_ATTR_RO(date);
@@ -53,7 +53,7 @@ time_show(struct device *dev, struct device_attribute *attr, char *buf)
if (retval)
return retval;
- return sprintf(buf, "%ptRt\n", &tm);
+ return sysfs_emit(buf, "%ptRt\n", &tm);
}
static DEVICE_ATTR_RO(time);
@@ -64,21 +64,17 @@ since_epoch_show(struct device *dev, struct device_attribute *attr, char *buf)
struct rtc_time tm;
retval = rtc_read_time(to_rtc_device(dev), &tm);
- if (retval == 0) {
- time64_t time;
-
- time = rtc_tm_to_time64(&tm);
- retval = sprintf(buf, "%lld\n", time);
- }
+ if (retval)
+ return retval;
- return retval;
+ return sysfs_emit(buf, "%lld\n", rtc_tm_to_time64(&tm));
}
static DEVICE_ATTR_RO(since_epoch);
static ssize_t
max_user_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%d\n", to_rtc_device(dev)->max_user_freq);
+ return sysfs_emit(buf, "%d\n", to_rtc_device(dev)->max_user_freq);
}
static ssize_t
@@ -118,9 +114,9 @@ hctosys_show(struct device *dev, struct device_attribute *attr, char *buf)
if (rtc_hctosys_ret == 0 &&
strcmp(dev_name(&to_rtc_device(dev)->dev),
CONFIG_RTC_HCTOSYS_DEVICE) == 0)
- return sprintf(buf, "1\n");
+ return sysfs_emit(buf, "1\n");
#endif
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
}
static DEVICE_ATTR_RO(hctosys);
@@ -128,7 +124,6 @@ static ssize_t
wakealarm_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
- time64_t alarm;
struct rtc_wkalrm alm;
/* Don't show disabled alarms. For uniformity, RTC alarms are
@@ -140,12 +135,13 @@ wakealarm_show(struct device *dev, struct device_attribute *attr, char *buf)
* alarms after they trigger, to ensure one-shot semantics.
*/
retval = rtc_read_alarm(to_rtc_device(dev), &alm);
- if (retval == 0 && alm.enabled) {
- alarm = rtc_tm_to_time64(&alm.time);
- retval = sprintf(buf, "%lld\n", alarm);
- }
+ if (retval)
+ return retval;
- return retval;
+ if (alm.enabled)
+ return sysfs_emit(buf, "%lld\n", rtc_tm_to_time64(&alm.time));
+
+ return 0;
}
static ssize_t
@@ -222,10 +218,10 @@ offset_show(struct device *dev, struct device_attribute *attr, char *buf)
long offset;
retval = rtc_read_offset(to_rtc_device(dev), &offset);
- if (retval == 0)
- retval = sprintf(buf, "%ld\n", offset);
+ if (retval)
+ return retval;
- return retval;
+ return sysfs_emit(buf, "%ld\n", offset);
}
static ssize_t
@@ -246,8 +242,8 @@ static DEVICE_ATTR_RW(offset);
static ssize_t
range_show(struct device *dev, struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "[%lld,%llu]\n", to_rtc_device(dev)->range_min,
- to_rtc_device(dev)->range_max);
+ return sysfs_emit(buf, "[%lld,%llu]\n", to_rtc_device(dev)->range_min,
+ to_rtc_device(dev)->range_max);
}
static DEVICE_ATTR_RO(range);
@@ -302,11 +298,7 @@ static struct attribute_group rtc_attr_group = {
.is_visible = rtc_attr_is_visible,
.attrs = rtc_attrs,
};
-
-static const struct attribute_group *rtc_attr_groups[] = {
- &rtc_attr_group,
- NULL
-};
+__ATTRIBUTE_GROUPS(rtc_attr);
const struct attribute_group **rtc_get_dev_attribute_groups(void)
{
@@ -318,17 +310,21 @@ int rtc_add_groups(struct rtc_device *rtc, const struct attribute_group **grps)
size_t old_cnt = 0, add_cnt = 0, new_cnt;
const struct attribute_group **groups, **old;
- if (!grps)
+ if (grps) {
+ for (groups = grps; *groups; groups++)
+ add_cnt++;
+ /* No need to modify current groups if nothing new is provided */
+ if (add_cnt == 0)
+ return 0;
+ } else {
return -EINVAL;
+ }
groups = rtc->dev.groups;
if (groups)
for (; *groups; groups++)
old_cnt++;
- for (groups = grps; *groups; groups++)
- add_cnt++;
-
new_cnt = old_cnt + add_cnt + 1;
groups = devm_kcalloc(&rtc->dev, new_cnt, sizeof(*groups), GFP_KERNEL);
if (!groups)
diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/test_rtc_lib.c
index 0eebad1fe2a0..0eebad1fe2a0 100644
--- a/drivers/rtc/lib_test.c
+++ b/drivers/rtc/test_rtc_lib.c
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 28cf18955a08..726c8531b7d3 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -481,8 +481,7 @@ void aac_define_int_mode(struct aac_dev *dev)
pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
min_msix = 2;
i = pci_alloc_irq_vectors(dev->pdev,
- min_msix, msi_count,
- PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
+ min_msix, msi_count, PCI_IRQ_MSIX);
if (i > 0) {
dev->msi_enabled = 1;
msi_count = i;
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index adb9e7a94785..bcecb4911da9 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -252,7 +252,7 @@ static int sas_get_ata_command_set(struct domain_device *dev)
return ata_dev_classify(&tf);
}
-int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
+static int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
{
if (phy->attached_tproto & SAS_PROTOCOL_STP)
dev->tproto = phy->attached_tproto;
@@ -927,13 +927,7 @@ EXPORT_SYMBOL_GPL(sas_ata_schedule_reset);
void sas_ata_wait_eh(struct domain_device *dev)
{
- struct ata_port *ap;
-
- if (!dev_is_sata(dev))
- return;
-
- ap = dev->sata_dev.ap;
- ata_port_wait_eh(ap);
+ ata_port_wait_eh(dev->sata_dev.ap);
}
void sas_ata_device_link_abort(struct domain_device *device, bool force_reset)
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 951bdc554a10..b07062db50b2 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -406,7 +406,7 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
}
}
-void sas_unregister_domain_devices(struct asd_sas_port *port, int gone)
+void sas_unregister_domain_devices(struct asd_sas_port *port, bool gone)
{
struct domain_device *dev, *n;
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 03d6ec1eb970..6706f2be8d27 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -44,7 +44,7 @@ void sas_hash_addr(u8 *hashed, const u8 *sas_addr);
int sas_discover_root_expander(struct domain_device *dev);
int sas_ex_revalidate_domain(struct domain_device *dev);
-void sas_unregister_domain_devices(struct asd_sas_port *port, int gone);
+void sas_unregister_domain_devices(struct asd_sas_port *port, bool gone);
void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port);
void sas_discover_event(struct asd_sas_port *port, enum discover_event ev);
@@ -70,7 +70,7 @@ void sas_enable_revalidation(struct sas_ha_struct *ha);
void sas_queue_deferred_work(struct sas_ha_struct *ha);
void __sas_drain_work(struct sas_ha_struct *ha);
-void sas_deform_port(struct asd_sas_phy *phy, int gone);
+void sas_deform_port(struct asd_sas_phy *phy, bool gone);
void sas_porte_bytes_dmaed(struct work_struct *work);
void sas_porte_broadcast_rcvd(struct work_struct *work);
@@ -222,4 +222,78 @@ static inline void sas_put_device(struct domain_device *dev)
kref_put(&dev->kref, sas_free_device);
}
+#ifdef CONFIG_SCSI_SAS_ATA
+
+int sas_ata_init(struct domain_device *dev);
+void sas_ata_task_abort(struct sas_task *task);
+int sas_discover_sata(struct domain_device *dev);
+int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
+ struct domain_device *child, int phy_id);
+void sas_ata_strategy_handler(struct Scsi_Host *shost);
+void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
+void sas_ata_end_eh(struct ata_port *ap);
+void sas_ata_wait_eh(struct domain_device *dev);
+void sas_probe_sata(struct asd_sas_port *port);
+void sas_suspend_sata(struct asd_sas_port *port);
+void sas_resume_sata(struct asd_sas_port *port);
+
+#else
+
+static inline int sas_ata_init(struct domain_device *dev)
+{
+ return 0;
+}
+
+static inline void sas_ata_task_abort(struct sas_task *task)
+{
+}
+
+static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
+{
+}
+
+static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
+{
+}
+
+static inline void sas_ata_end_eh(struct ata_port *ap)
+{
+}
+
+static inline void sas_ata_wait_eh(struct domain_device *dev)
+{
+}
+
+static inline void sas_probe_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_suspend_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_resume_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_ata_disabled_notice(void)
+{
+ pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");
+}
+
+static inline int sas_discover_sata(struct domain_device *dev)
+{
+ sas_ata_disabled_notice();
+ return -ENXIO;
+}
+
+static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
+ struct domain_device *child, int phy_id)
+{
+ sas_ata_disabled_notice();
+ return -ENODEV;
+}
+
+#endif
+
#endif /* _SAS_INTERNAL_H_ */
diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c
index 57494ac97076..635835c28ecd 100644
--- a/drivers/scsi/libsas/sas_phy.c
+++ b/drivers/scsi/libsas/sas_phy.c
@@ -20,7 +20,7 @@ static void sas_phye_loss_of_signal(struct work_struct *work)
struct asd_sas_phy *phy = ev->phy;
phy->error = 0;
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
}
static void sas_phye_oob_done(struct work_struct *work)
@@ -40,7 +40,7 @@ static void sas_phye_oob_error(struct work_struct *work)
struct sas_internal *i =
to_sas_internal(sas_ha->shost->transportt);
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
if (!port && phy->enabled && i->dft->lldd_control_phy) {
phy->error++;
@@ -85,7 +85,7 @@ static void sas_phye_resume_timeout(struct work_struct *work)
phy->error = 0;
phy->suspended = 0;
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
}
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index e3f2ed913419..de7556070048 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -113,7 +113,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
if (port) {
if (!phy_is_wideport_member(port, phy))
- sas_deform_port(phy, 0);
+ sas_deform_port(phy, false);
else if (phy->suspended) {
phy->suspended = 0;
sas_resume_port(phy);
@@ -206,7 +206,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
* This is called when the physical link to the other phy has been
* lost (on this phy), in Event thread context. We cannot delay here.
*/
-void sas_deform_port(struct asd_sas_phy *phy, int gone)
+void sas_deform_port(struct asd_sas_phy *phy, bool gone)
{
struct sas_ha_struct *sas_ha = phy->ha;
struct asd_sas_port *port = phy->port;
@@ -301,7 +301,7 @@ void sas_porte_link_reset_err(struct work_struct *work)
struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
}
void sas_porte_timer_event(struct work_struct *work)
@@ -309,7 +309,7 @@ void sas_porte_timer_event(struct work_struct *work)
struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
}
void sas_porte_hard_reset(struct work_struct *work)
@@ -317,7 +317,7 @@ void sas_porte_hard_reset(struct work_struct *work)
struct asd_sas_event *ev = to_asd_sas_event(work);
struct asd_sas_phy *phy = ev->phy;
- sas_deform_port(phy, 1);
+ sas_deform_port(phy, true);
}
/* ---------- SAS port registration ---------- */
@@ -358,8 +358,7 @@ void sas_unregister_ports(struct sas_ha_struct *sas_ha)
for (i = 0; i < sas_ha->num_phys; i++)
if (sas_ha->sas_phy[i]->port)
- sas_deform_port(sas_ha->sas_phy[i], 0);
-
+ sas_deform_port(sas_ha->sas_phy[i], false);
}
const work_func_t sas_port_event_fns[PORT_NUM_EVENTS] = {
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index d7d8244dfedc..967af259118e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -10809,8 +10809,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
break;
case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
_scsih_pcie_topology_change_event(ioc, fw_event);
- ioc->current_event = NULL;
- return;
+ break;
}
out:
fw_event_work_put(fw_event);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 160c2f74c7e7..3c6e089e80c3 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1900,7 +1900,7 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
return 0;
}
-
+EXPORT_SYMBOL(scsi_scan_host_selected);
static void scsi_sysfs_add_devices(struct Scsi_Host *shost)
{
struct scsi_device *sdev;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index c75a806496d6..743b4c792ceb 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2143,6 +2143,8 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data)
return 0;
iscsi_remove_conn(iscsi_dev_to_conn(dev));
+ iscsi_put_conn(iscsi_dev_to_conn(dev));
+
return 0;
}
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 351b028ef893..d69c7c444a31 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -40,6 +40,8 @@
#include <scsi/scsi_transport_sas.h>
#include "scsi_sas_internal.h"
+#include "scsi_priv.h"
+
struct sas_host_attrs {
struct list_head rphy_list;
struct mutex lock;
@@ -1683,32 +1685,66 @@ int scsi_is_sas_rphy(const struct device *dev)
}
EXPORT_SYMBOL(scsi_is_sas_rphy);
-
-/*
- * SCSI scan helper
- */
-
-static int sas_user_scan(struct Scsi_Host *shost, uint channel,
- uint id, u64 lun)
+static void scan_channel_zero(struct Scsi_Host *shost, uint id, u64 lun)
{
struct sas_host_attrs *sas_host = to_sas_host_attrs(shost);
struct sas_rphy *rphy;
- mutex_lock(&sas_host->lock);
list_for_each_entry(rphy, &sas_host->rphy_list, list) {
if (rphy->identify.device_type != SAS_END_DEVICE ||
rphy->scsi_target_id == -1)
continue;
- if ((channel == SCAN_WILD_CARD || channel == 0) &&
- (id == SCAN_WILD_CARD || id == rphy->scsi_target_id)) {
+ if (id == SCAN_WILD_CARD || id == rphy->scsi_target_id) {
scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id,
lun, SCSI_SCAN_MANUAL);
}
}
- mutex_unlock(&sas_host->lock);
+}
- return 0;
+/*
+ * SCSI scan helper
+ */
+
+static int sas_user_scan(struct Scsi_Host *shost, uint channel,
+ uint id, u64 lun)
+{
+ struct sas_host_attrs *sas_host = to_sas_host_attrs(shost);
+ int res = 0;
+ int i;
+
+ switch (channel) {
+ case 0:
+ mutex_lock(&sas_host->lock);
+ scan_channel_zero(shost, id, lun);
+ mutex_unlock(&sas_host->lock);
+ break;
+
+ case SCAN_WILD_CARD:
+ mutex_lock(&sas_host->lock);
+ scan_channel_zero(shost, id, lun);
+ mutex_unlock(&sas_host->lock);
+
+ for (i = 1; i <= shost->max_channel; i++) {
+ res = scsi_scan_host_selected(shost, i, id, lun,
+ SCSI_SCAN_MANUAL);
+ if (res)
+ goto exit_scan;
+ }
+ break;
+
+ default:
+ if (channel < shost->max_channel) {
+ res = scsi_scan_host_selected(shost, channel, id, lun,
+ SCSI_SCAN_MANUAL);
+ } else {
+ res = -EINVAL;
+ }
+ break;
+ }
+
+exit_scan:
+ return res;
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4a68b2ab2804..5b8668accf8e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -4173,7 +4173,9 @@ static void sd_shutdown(struct device *dev)
if ((system_state != SYSTEM_RESTART &&
sdkp->device->manage_system_start_stop) ||
(system_state == SYSTEM_POWER_OFF &&
- sdkp->device->manage_shutdown)) {
+ sdkp->device->manage_shutdown) ||
+ (system_state == SYSTEM_RUNNING &&
+ sdkp->device->manage_runtime_start_stop)) {
sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n");
sd_start_stop_device(sdkp, 0);
}
diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
index 43f47e3aa448..ec7bc6e30228 100644
--- a/drivers/target/target_core_fabric_lib.c
+++ b/drivers/target/target_core_fabric_lib.c
@@ -257,11 +257,41 @@ static int iscsi_get_pr_transport_id_len(
return len;
}
-static char *iscsi_parse_pr_out_transport_id(
+static void sas_parse_pr_out_transport_id(char *buf, char *i_str)
+{
+ char hex[17] = {};
+
+ bin2hex(hex, buf + 4, 8);
+ snprintf(i_str, TRANSPORT_IQN_LEN, "naa.%s", hex);
+}
+
+static void srp_parse_pr_out_transport_id(char *buf, char *i_str)
+{
+ char hex[33] = {};
+
+ bin2hex(hex, buf + 8, 16);
+ snprintf(i_str, TRANSPORT_IQN_LEN, "0x%s", hex);
+}
+
+static void fcp_parse_pr_out_transport_id(char *buf, char *i_str)
+{
+ snprintf(i_str, TRANSPORT_IQN_LEN, "%8phC", buf + 8);
+}
+
+static void sbp_parse_pr_out_transport_id(char *buf, char *i_str)
+{
+ char hex[17] = {};
+
+ bin2hex(hex, buf + 8, 8);
+ snprintf(i_str, TRANSPORT_IQN_LEN, "%s", hex);
+}
+
+static bool iscsi_parse_pr_out_transport_id(
struct se_portal_group *se_tpg,
char *buf,
u32 *out_tid_len,
- char **port_nexus_ptr)
+ char **port_nexus_ptr,
+ char *i_str)
{
char *p;
int i;
@@ -282,7 +312,7 @@ static char *iscsi_parse_pr_out_transport_id(
if ((format_code != 0x00) && (format_code != 0x40)) {
pr_err("Illegal format code: 0x%02x for iSCSI"
" Initiator Transport ID\n", format_code);
- return NULL;
+ return false;
}
/*
* If the caller wants the TransportID Length, we set that value for the
@@ -306,7 +336,7 @@ static char *iscsi_parse_pr_out_transport_id(
pr_err("Unable to locate \",i,0x\" separator"
" for Initiator port identifier: %s\n",
&buf[4]);
- return NULL;
+ return false;
}
*p = '\0'; /* Terminate iSCSI Name */
p += 5; /* Skip over ",i,0x" separator */
@@ -339,7 +369,8 @@ static char *iscsi_parse_pr_out_transport_id(
} else
*port_nexus_ptr = NULL;
- return &buf[4];
+ strscpy(i_str, &buf[4], TRANSPORT_IQN_LEN);
+ return true;
}
int target_get_pr_transport_id_len(struct se_node_acl *nacl,
@@ -387,33 +418,35 @@ int target_get_pr_transport_id(struct se_node_acl *nacl,
}
}
-const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
- char *buf, u32 *out_tid_len, char **port_nexus_ptr)
+bool target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ char *buf, u32 *out_tid_len, char **port_nexus_ptr, char *i_str)
{
- u32 offset;
-
switch (tpg->proto_id) {
case SCSI_PROTOCOL_SAS:
/*
* Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID
* for initiator ports using SCSI over SAS Serial SCSI Protocol.
*/
- offset = 4;
+ sas_parse_pr_out_transport_id(buf, i_str);
break;
- case SCSI_PROTOCOL_SBP:
case SCSI_PROTOCOL_SRP:
+ srp_parse_pr_out_transport_id(buf, i_str);
+ break;
case SCSI_PROTOCOL_FCP:
- offset = 8;
+ fcp_parse_pr_out_transport_id(buf, i_str);
+ break;
+ case SCSI_PROTOCOL_SBP:
+ sbp_parse_pr_out_transport_id(buf, i_str);
break;
case SCSI_PROTOCOL_ISCSI:
return iscsi_parse_pr_out_transport_id(tpg, buf, out_tid_len,
- port_nexus_ptr);
+ port_nexus_ptr, i_str);
default:
pr_err("Unknown proto_id: 0x%02x\n", tpg->proto_id);
- return NULL;
+ return false;
}
*port_nexus_ptr = NULL;
*out_tid_len = 24;
- return buf + offset;
+ return true;
}
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 73564efd11d2..66c292b7d74b 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -64,6 +64,7 @@ static struct se_device *iblock_alloc_device(struct se_hba *hba, const char *nam
pr_err("Unable to allocate struct iblock_dev\n");
return NULL;
}
+ ib_dev->ibd_exclusive = true;
ib_dev->ibd_plug = kcalloc(nr_cpu_ids, sizeof(*ib_dev->ibd_plug),
GFP_KERNEL);
@@ -95,6 +96,7 @@ static int iblock_configure_device(struct se_device *dev)
struct block_device *bd;
struct blk_integrity *bi;
blk_mode_t mode = BLK_OPEN_READ;
+ void *holder = ib_dev;
unsigned int max_write_zeroes_sectors;
int ret;
@@ -109,15 +111,18 @@ static int iblock_configure_device(struct se_device *dev)
goto out;
}
- pr_debug( "IBLOCK: Claiming struct block_device: %s\n",
- ib_dev->ibd_udev_path);
+ pr_debug("IBLOCK: Claiming struct block_device: %s: %d\n",
+ ib_dev->ibd_udev_path, ib_dev->ibd_exclusive);
if (!ib_dev->ibd_readonly)
mode |= BLK_OPEN_WRITE;
else
dev->dev_flags |= DF_READ_ONLY;
- bdev_file = bdev_file_open_by_path(ib_dev->ibd_udev_path, mode, ib_dev,
+ if (!ib_dev->ibd_exclusive)
+ holder = NULL;
+
+ bdev_file = bdev_file_open_by_path(ib_dev->ibd_udev_path, mode, holder,
NULL);
if (IS_ERR(bdev_file)) {
ret = PTR_ERR(bdev_file);
@@ -560,13 +565,14 @@ fail:
}
enum {
- Opt_udev_path, Opt_readonly, Opt_force, Opt_err
+ Opt_udev_path, Opt_readonly, Opt_force, Opt_exclusive, Opt_err,
};
static match_table_t tokens = {
{Opt_udev_path, "udev_path=%s"},
{Opt_readonly, "readonly=%d"},
{Opt_force, "force=%d"},
+ {Opt_exclusive, "exclusive=%d"},
{Opt_err, NULL}
};
@@ -576,7 +582,7 @@ static ssize_t iblock_set_configfs_dev_params(struct se_device *dev,
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
- int ret = 0, token;
+ int ret = 0, token, tmp_exclusive;
unsigned long tmp_readonly;
opts = kstrdup(page, GFP_KERNEL);
@@ -623,6 +629,22 @@ static ssize_t iblock_set_configfs_dev_params(struct se_device *dev,
ib_dev->ibd_readonly = tmp_readonly;
pr_debug("IBLOCK: readonly: %d\n", ib_dev->ibd_readonly);
break;
+ case Opt_exclusive:
+ arg_p = match_strdup(&args[0]);
+ if (!arg_p) {
+ ret = -ENOMEM;
+ break;
+ }
+ ret = kstrtoint(arg_p, 0, &tmp_exclusive);
+ kfree(arg_p);
+ if (ret < 0) {
+ pr_err("kstrtoul() failed for exclusive=\n");
+ goto out;
+ }
+ ib_dev->ibd_exclusive = tmp_exclusive;
+ pr_debug("IBLOCK: exclusive: %d\n",
+ ib_dev->ibd_exclusive);
+ break;
case Opt_force:
break;
default:
@@ -647,6 +669,7 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
bl += sprintf(b + bl, " UDEV PATH: %s",
ib_dev->ibd_udev_path);
bl += sprintf(b + bl, " readonly: %d\n", ib_dev->ibd_readonly);
+ bl += sprintf(b + bl, " exclusive: %d\n", ib_dev->ibd_exclusive);
bl += sprintf(b + bl, " ");
if (bd) {
diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h
index 91f6f4280666..e2f28a69a11c 100644
--- a/drivers/target/target_core_iblock.h
+++ b/drivers/target/target_core_iblock.h
@@ -34,6 +34,7 @@ struct iblock_dev {
struct block_device *ibd_bd;
struct file *ibd_bdev_file;
bool ibd_readonly;
+ bool ibd_exclusive;
struct iblock_dev_plug *ibd_plug;
} ____cacheline_aligned;
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
index 408be26d2e9b..20aab1f50565 100644
--- a/drivers/target/target_core_internal.h
+++ b/drivers/target/target_core_internal.h
@@ -103,8 +103,8 @@ int target_get_pr_transport_id_len(struct se_node_acl *nacl,
int target_get_pr_transport_id(struct se_node_acl *nacl,
struct t10_pr_registration *pr_reg, int *format_code,
unsigned char *buf);
-const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
- char *buf, u32 *out_tid_len, char **port_nexus_ptr);
+bool target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ char *buf, u32 *out_tid_len, char **port_nexus_ptr, char *i_str);
/* target_core_hba.c */
struct se_hba *core_alloc_hba(const char *, u32, u32);
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 70905805cb17..83e172c92238 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1478,11 +1478,12 @@ core_scsi3_decode_spec_i_port(
LIST_HEAD(tid_dest_list);
struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp;
unsigned char *buf, *ptr, proto_ident;
- const unsigned char *i_str = NULL;
+ unsigned char i_str[TRANSPORT_IQN_LEN];
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN];
sense_reason_t ret;
u32 tpdl, tid_len = 0;
u32 dest_rtpi = 0;
+ bool tid_found;
/*
* Allocate a struct pr_transport_id_holder and setup the
@@ -1571,9 +1572,9 @@ core_scsi3_decode_spec_i_port(
dest_rtpi = tmp_lun->lun_tpg->tpg_rtpi;
iport_ptr = NULL;
- i_str = target_parse_pr_out_transport_id(tmp_tpg,
- ptr, &tid_len, &iport_ptr);
- if (!i_str)
+ tid_found = target_parse_pr_out_transport_id(tmp_tpg,
+ ptr, &tid_len, &iport_ptr, i_str);
+ if (!tid_found)
continue;
/*
* Determine if this SCSI device server requires that
@@ -3153,13 +3154,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
- const unsigned char *initiator_str;
+ unsigned char initiator_str[TRANSPORT_IQN_LEN];
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN] = { };
u32 tid_len, tmp_tid_len;
int new_reg = 0, type, scope, matching_iname;
sense_reason_t ret;
unsigned short rtpi;
unsigned char proto_ident;
+ bool tid_found;
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
@@ -3278,9 +3280,9 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
ret = TCM_INVALID_PARAMETER_LIST;
goto out;
}
- initiator_str = target_parse_pr_out_transport_id(dest_se_tpg,
- &buf[24], &tmp_tid_len, &iport_ptr);
- if (!initiator_str) {
+ tid_found = target_parse_pr_out_transport_id(dest_se_tpg,
+ &buf[24], &tmp_tid_len, &iport_ptr, initiator_str);
+ if (!tid_found) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
" initiator_str from Transport ID\n");
ret = TCM_INVALID_PARAMETER_LIST;
diff --git a/drivers/ufs/core/ufs-sysfs.c b/drivers/ufs/core/ufs-sysfs.c
index 00948378a719..4bd7d491e3c5 100644
--- a/drivers/ufs/core/ufs-sysfs.c
+++ b/drivers/ufs/core/ufs-sysfs.c
@@ -5,6 +5,7 @@
#include <linux/string.h>
#include <linux/bitfield.h>
#include <linux/unaligned.h>
+#include <linux/string_choices.h>
#include <ufs/ufs.h>
#include <ufs/unipro.h>
@@ -1516,7 +1517,7 @@ static ssize_t _name##_show(struct device *dev, \
ret = -EINVAL; \
goto out; \
} \
- ret = sysfs_emit(buf, "%s\n", flag ? "true" : "false"); \
+ ret = sysfs_emit(buf, "%s\n", str_true_false(flag)); \
out: \
up(&hba->host_sem); \
return ret; \
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index fd8015ed36a4..96ad57c3144b 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -364,6 +364,34 @@ void ufshcd_disable_irq(struct ufs_hba *hba)
}
EXPORT_SYMBOL_GPL(ufshcd_disable_irq);
+/**
+ * ufshcd_enable_intr - enable interrupts
+ * @hba: per adapter instance
+ * @intrs: interrupt bits
+ */
+static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs)
+{
+ u32 old_val = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
+ u32 new_val = old_val | intrs;
+
+ if (new_val != old_val)
+ ufshcd_writel(hba, new_val, REG_INTERRUPT_ENABLE);
+}
+
+/**
+ * ufshcd_disable_intr - disable interrupts
+ * @hba: per adapter instance
+ * @intrs: interrupt bits
+ */
+static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs)
+{
+ u32 old_val = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
+ u32 new_val = old_val & ~intrs;
+
+ if (new_val != old_val)
+ ufshcd_writel(hba, new_val, REG_INTERRUPT_ENABLE);
+}
+
static void ufshcd_configure_wb(struct ufs_hba *hba)
{
if (!ufshcd_is_wb_allowed(hba))
@@ -2596,6 +2624,7 @@ __ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
*/
int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
{
+ unsigned long flags;
int ret;
if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD)
@@ -2605,6 +2634,10 @@ int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
mutex_lock(&hba->uic_cmd_mutex);
ufshcd_add_delay_before_dme_cmd(hba);
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ ufshcd_enable_intr(hba, UIC_COMMAND_COMPL);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+
ret = __ufshcd_send_uic_cmd(hba, uic_cmd);
if (!ret)
ret = ufshcd_wait_for_uic_cmd(hba, uic_cmd);
@@ -2682,32 +2715,6 @@ static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
}
/**
- * ufshcd_enable_intr - enable interrupts
- * @hba: per adapter instance
- * @intrs: interrupt bits
- */
-static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs)
-{
- u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
-
- set |= intrs;
- ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE);
-}
-
-/**
- * ufshcd_disable_intr - disable interrupts
- * @hba: per adapter instance
- * @intrs: interrupt bits
- */
-static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs)
-{
- u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
-
- set &= ~intrs;
- ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE);
-}
-
-/**
* ufshcd_prepare_req_desc_hdr - Fill UTP Transfer request descriptor header according to request
* descriptor according to request
* @hba: per adapter instance
@@ -4318,7 +4325,6 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
unsigned long flags;
u8 status;
int ret;
- bool reenable_intr = false;
mutex_lock(&hba->uic_cmd_mutex);
ufshcd_add_delay_before_dme_cmd(hba);
@@ -4329,15 +4335,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
goto out_unlock;
}
hba->uic_async_done = &uic_async_done;
- if (ufshcd_readl(hba, REG_INTERRUPT_ENABLE) & UIC_COMMAND_COMPL) {
- ufshcd_disable_intr(hba, UIC_COMMAND_COMPL);
- /*
- * Make sure UIC command completion interrupt is disabled before
- * issuing UIC command.
- */
- ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
- reenable_intr = true;
- }
+ ufshcd_disable_intr(hba, UIC_COMMAND_COMPL);
spin_unlock_irqrestore(hba->host->host_lock, flags);
ret = __ufshcd_send_uic_cmd(hba, cmd);
if (ret) {
@@ -4381,9 +4379,7 @@ out:
spin_lock_irqsave(hba->host->host_lock, flags);
hba->active_uic_cmd = NULL;
hba->uic_async_done = NULL;
- if (reenable_intr)
- ufshcd_enable_intr(hba, UIC_COMMAND_COMPL);
- if (ret) {
+ if (ret && !hba->pm_op_in_progress) {
ufshcd_set_link_broken(hba);
ufshcd_schedule_eh_work(hba);
}
@@ -4391,6 +4387,14 @@ out_unlock:
spin_unlock_irqrestore(hba->host->host_lock, flags);
mutex_unlock(&hba->uic_cmd_mutex);
+ /*
+ * If the h8 exit fails during the runtime resume process, it becomes
+ * stuck and cannot be recovered through the error handler. To fix
+ * this, use link recovery instead of the error handler.
+ */
+ if (ret && hba->pm_op_in_progress)
+ ret = ufshcd_link_recovery(hba);
+
return ret;
}
@@ -4405,28 +4409,17 @@ int ufshcd_send_bsg_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
{
int ret;
+ if (uic_cmd->argument1 != UIC_ARG_MIB(PA_PWRMODE) ||
+ uic_cmd->command != UIC_CMD_DME_SET)
+ return ufshcd_send_uic_cmd(hba, uic_cmd);
+
if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD)
return 0;
ufshcd_hold(hba);
-
- if (uic_cmd->argument1 == UIC_ARG_MIB(PA_PWRMODE) &&
- uic_cmd->command == UIC_CMD_DME_SET) {
- ret = ufshcd_uic_pwr_ctrl(hba, uic_cmd);
- goto out;
- }
-
- mutex_lock(&hba->uic_cmd_mutex);
- ufshcd_add_delay_before_dme_cmd(hba);
-
- ret = __ufshcd_send_uic_cmd(hba, uic_cmd);
- if (!ret)
- ret = ufshcd_wait_for_uic_cmd(hba, uic_cmd);
-
- mutex_unlock(&hba->uic_cmd_mutex);
-
-out:
+ ret = ufshcd_uic_pwr_ctrl(hba, uic_cmd);
ufshcd_release(hba);
+
return ret;
}
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 182f58d0c9db..86ae73b89d4d 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -50,6 +50,7 @@ static const struct ufs_dev_quirk ufs_mtk_dev_fixups[] = {
static const struct of_device_id ufs_mtk_of_match[] = {
{ .compatible = "mediatek,mt8183-ufshci" },
+ { .compatible = "mediatek,mt8195-ufshci" },
{},
};
MODULE_DEVICE_TABLE(of, ufs_mtk_of_match);
@@ -96,49 +97,59 @@ static bool ufs_mtk_is_boost_crypt_enabled(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
+ return host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
}
static bool ufs_mtk_is_va09_supported(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
+ return host->caps & UFS_MTK_CAP_VA09_PWR_CTRL;
}
static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
+ return host->caps & UFS_MTK_CAP_BROKEN_VCC;
}
static bool ufs_mtk_is_pmc_via_fastauto(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return !!(host->caps & UFS_MTK_CAP_PMC_VIA_FASTAUTO);
+ return host->caps & UFS_MTK_CAP_PMC_VIA_FASTAUTO;
}
static bool ufs_mtk_is_tx_skew_fix(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return (host->caps & UFS_MTK_CAP_TX_SKEW_FIX);
+ return host->caps & UFS_MTK_CAP_TX_SKEW_FIX;
}
static bool ufs_mtk_is_rtff_mtcmos(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return (host->caps & UFS_MTK_CAP_RTFF_MTCMOS);
+ return host->caps & UFS_MTK_CAP_RTFF_MTCMOS;
}
static bool ufs_mtk_is_allow_vccqx_lpm(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return (host->caps & UFS_MTK_CAP_ALLOW_VCCQX_LPM);
+ return host->caps & UFS_MTK_CAP_ALLOW_VCCQX_LPM;
+}
+
+static bool ufs_mtk_is_clk_scale_ready(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ struct ufs_mtk_clk *mclk = &host->mclk;
+
+ return mclk->ufs_sel_clki &&
+ mclk->ufs_sel_max_clki &&
+ mclk->ufs_sel_min_clki;
}
static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
@@ -267,6 +278,13 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba,
ufshcd_writel(hba,
ufshcd_readl(hba, REG_UFS_XOUFS_CTRL) | 0x80,
REG_UFS_XOUFS_CTRL);
+
+ /* DDR_EN setting */
+ if (host->ip_ver >= IP_VER_MT6989) {
+ ufshcd_rmwl(hba, UFS_MASK(0x7FFF, 8),
+ 0x453000, REG_UFS_MMIO_OPT_CTRL_0);
+ }
+
}
return 0;
@@ -344,7 +362,16 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on)
dev_err(hba->dev, "missing ack of refclk req, reg: 0x%x\n", value);
- ufs_mtk_ref_clk_notify(host->ref_clk_enabled, POST_CHANGE, res);
+ /*
+ * If clock on timeout, assume clock is off, notify tfa do clock
+ * off setting.(keep DIFN disable, release resource)
+ * If clock off timeout, assume clock will off finally,
+ * set ref_clk_enabled directly.(keep DIFN disable, keep resource)
+ */
+ if (on)
+ ufs_mtk_ref_clk_notify(false, POST_CHANGE, res);
+ else
+ host->ref_clk_enabled = false;
return -ETIMEDOUT;
@@ -663,6 +690,9 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
if (of_property_read_bool(np, "mediatek,ufs-rtff-mtcmos"))
host->caps |= UFS_MTK_CAP_RTFF_MTCMOS;
+ if (of_property_read_bool(np, "mediatek,ufs-broken-rtc"))
+ host->caps |= UFS_MTK_CAP_MCQ_BROKEN_RTC;
+
dev_info(hba->dev, "caps: 0x%x", host->caps);
}
@@ -779,6 +809,91 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
return ret;
}
+static u32 ufs_mtk_mcq_get_irq(struct ufs_hba *hba, unsigned int cpu)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ struct blk_mq_tag_set *tag_set = &hba->host->tag_set;
+ struct blk_mq_queue_map *map = &tag_set->map[HCTX_TYPE_DEFAULT];
+ unsigned int nr = map->nr_queues;
+ unsigned int q_index;
+
+ q_index = map->mq_map[cpu];
+ if (q_index > nr) {
+ dev_err(hba->dev, "hwq index %d exceed %d\n",
+ q_index, nr);
+ return MTK_MCQ_INVALID_IRQ;
+ }
+
+ return host->mcq_intr_info[q_index].irq;
+}
+
+static void ufs_mtk_mcq_set_irq_affinity(struct ufs_hba *hba, unsigned int cpu)
+{
+ unsigned int irq, _cpu;
+ int ret;
+
+ irq = ufs_mtk_mcq_get_irq(hba, cpu);
+ if (irq == MTK_MCQ_INVALID_IRQ) {
+ dev_err(hba->dev, "invalid irq. unable to bind irq to cpu%d", cpu);
+ return;
+ }
+
+ /* force migrate irq of cpu0 to cpu3 */
+ _cpu = (cpu == 0) ? 3 : cpu;
+ ret = irq_set_affinity(irq, cpumask_of(_cpu));
+ if (ret) {
+ dev_err(hba->dev, "set irq %d affinity to CPU %d failed\n",
+ irq, _cpu);
+ return;
+ }
+ dev_info(hba->dev, "set irq %d affinity to CPU: %d\n", irq, _cpu);
+}
+
+static bool ufs_mtk_is_legacy_chipset(struct ufs_hba *hba, u32 hw_ip_ver)
+{
+ bool is_legacy = false;
+
+ switch (hw_ip_ver) {
+ case IP_LEGACY_VER_MT6893:
+ case IP_LEGACY_VER_MT6781:
+ /* can add other legacy chipset ID here accordingly */
+ is_legacy = true;
+ break;
+ default:
+ break;
+ }
+ dev_info(hba->dev, "legacy IP version - 0x%x, is legacy : %d", hw_ip_ver, is_legacy);
+
+ return is_legacy;
+}
+
+/*
+ * HW version format has been changed from 01MMmmmm to 1MMMmmmm, since
+ * project MT6878. In order to perform correct version comparison,
+ * version number is changed by SW for the following projects.
+ * IP_VER_MT6983 0x00360000 to 0x10360000
+ * IP_VER_MT6897 0x01440000 to 0x10440000
+ * IP_VER_MT6989 0x01450000 to 0x10450000
+ * IP_VER_MT6991 0x01460000 to 0x10460000
+ */
+static void ufs_mtk_get_hw_ip_version(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ u32 hw_ip_ver;
+
+ hw_ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER);
+
+ if (((hw_ip_ver & (0xFF << 24)) == (0x1 << 24)) ||
+ ((hw_ip_ver & (0xFF << 24)) == 0)) {
+ hw_ip_ver &= ~(0xFF << 24);
+ hw_ip_ver |= (0x1 << 28);
+ }
+
+ host->ip_ver = hw_ip_ver;
+
+ host->legacy_ip_ver = ufs_mtk_is_legacy_chipset(hba, hw_ip_ver);
+}
+
static void ufs_mtk_get_controller_version(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
@@ -818,8 +933,10 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
struct list_head *head = &hba->clk_list_head;
- struct ufs_mtk_clk *mclk = &host->mclk;
struct ufs_clk_info *clki, *clki_tmp;
+ struct device *dev = hba->dev;
+ struct regulator *reg;
+ u32 volt;
/*
* Find private clocks and store them in struct ufs_mtk_clk.
@@ -837,15 +954,57 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba)
host->mclk.ufs_sel_min_clki = clki;
clk_disable_unprepare(clki->clk);
list_del(&clki->list);
+ } else if (!strcmp(clki->name, "ufs_fde")) {
+ host->mclk.ufs_fde_clki = clki;
+ } else if (!strcmp(clki->name, "ufs_fde_max_src")) {
+ host->mclk.ufs_fde_max_clki = clki;
+ clk_disable_unprepare(clki->clk);
+ list_del(&clki->list);
+ } else if (!strcmp(clki->name, "ufs_fde_min_src")) {
+ host->mclk.ufs_fde_min_clki = clki;
+ clk_disable_unprepare(clki->clk);
+ list_del(&clki->list);
}
}
- if (!mclk->ufs_sel_clki || !mclk->ufs_sel_max_clki ||
- !mclk->ufs_sel_min_clki) {
+ list_for_each_entry(clki, head, list) {
+ dev_info(hba->dev, "clk \"%s\" present", clki->name);
+ }
+
+ if (!ufs_mtk_is_clk_scale_ready(hba)) {
hba->caps &= ~UFSHCD_CAP_CLK_SCALING;
dev_info(hba->dev,
"%s: Clk-scaling not ready. Feature disabled.",
__func__);
+ return;
+ }
+
+ /*
+ * Default get vcore if dts have these settings.
+ * No matter clock scaling support or not. (may disable by customer)
+ */
+ reg = devm_regulator_get_optional(dev, "dvfsrc-vcore");
+ if (IS_ERR(reg)) {
+ dev_info(dev, "failed to get dvfsrc-vcore: %ld",
+ PTR_ERR(reg));
+ return;
+ }
+
+ if (of_property_read_u32(dev->of_node, "clk-scale-up-vcore-min",
+ &volt)) {
+ dev_info(dev, "failed to get clk-scale-up-vcore-min");
+ return;
+ }
+
+ host->mclk.reg_vcore = reg;
+ host->mclk.vcore_volt = volt;
+
+ /* If default boot is max gear, request vcore */
+ if (reg && volt && host->clk_scale_up) {
+ if (regulator_set_voltage(reg, volt, INT_MAX)) {
+ dev_info(hba->dev,
+ "Failed to set vcore to %d\n", volt);
+ }
}
}
@@ -1014,13 +1173,17 @@ static int ufs_mtk_init(struct ufs_hba *hba)
/* Enable clk scaling*/
hba->caps |= UFSHCD_CAP_CLK_SCALING;
+ host->clk_scale_up = true; /* default is max freq */
/* Set runtime pm delay to replace default */
shost->rpm_autosuspend_delay = MTK_RPM_AUTOSUSPEND_DELAY_MS;
hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
+
hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_INTR;
- hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC;
+ if (host->caps & UFS_MTK_CAP_MCQ_BROKEN_RTC)
+ hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC;
+
hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);
if (host->caps & UFS_MTK_CAP_DISABLE_AH8)
@@ -1050,7 +1213,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)
ufs_mtk_setup_clocks(hba, true, POST_CHANGE);
- host->ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER);
+ ufs_mtk_get_hw_ip_version(hba);
goto out;
@@ -1505,6 +1668,13 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba)
{
struct ufs_dev_info *dev_info = &hba->dev_info;
u16 mid = dev_info->wmanufacturerid;
+ unsigned int cpu;
+
+ if (hba->mcq_enabled) {
+ /* Iterate all cpus to set affinity for mcq irqs */
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++)
+ ufs_mtk_mcq_set_irq_affinity(hba, cpu);
+ }
if (mid == UFS_VENDOR_SAMSUNG) {
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6);
@@ -1598,24 +1768,30 @@ static void ufs_mtk_config_scaling_param(struct ufs_hba *hba,
hba->vps->ondemand_data.downdifferential = 20;
}
-/**
- * ufs_mtk_clk_scale - Internal clk scaling operation
- *
- * MTK platform supports clk scaling by switching parent of ufs_sel(mux).
- * The ufs_sel downstream to ufs_ck which feeds directly to UFS hardware.
- * Max and min clocks rate of ufs_sel defined in dts should match rate of
- * "ufs_sel_max_src" and "ufs_sel_min_src" respectively.
- * This prevent changing rate of pll clock that is shared between modules.
- *
- * @hba: per adapter instance
- * @scale_up: True for scaling up and false for scaling down
- */
-static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up)
+static void _ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
struct ufs_mtk_clk *mclk = &host->mclk;
struct ufs_clk_info *clki = mclk->ufs_sel_clki;
- int ret = 0;
+ struct ufs_clk_info *fde_clki = mclk->ufs_fde_clki;
+ struct regulator *reg;
+ int volt, ret = 0;
+ bool clk_bind_vcore = false;
+ bool clk_fde_scale = false;
+
+ if (!hba->clk_scaling.is_initialized)
+ return;
+
+ if (!clki || !fde_clki)
+ return;
+
+ reg = host->mclk.reg_vcore;
+ volt = host->mclk.vcore_volt;
+ if (reg && volt != 0)
+ clk_bind_vcore = true;
+
+ if (mclk->ufs_fde_max_clki && mclk->ufs_fde_min_clki)
+ clk_fde_scale = true;
ret = clk_prepare_enable(clki->clk);
if (ret) {
@@ -1624,21 +1800,109 @@ static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up)
return;
}
+ if (clk_fde_scale) {
+ ret = clk_prepare_enable(fde_clki->clk);
+ if (ret) {
+ dev_info(hba->dev,
+ "fde clk_prepare_enable() fail, ret: %d\n", ret);
+ return;
+ }
+ }
+
if (scale_up) {
+ if (clk_bind_vcore) {
+ ret = regulator_set_voltage(reg, volt, INT_MAX);
+ if (ret) {
+ dev_info(hba->dev,
+ "Failed to set vcore to %d\n", volt);
+ goto out;
+ }
+ }
+
ret = clk_set_parent(clki->clk, mclk->ufs_sel_max_clki->clk);
- clki->curr_freq = clki->max_freq;
+ if (ret) {
+ dev_info(hba->dev, "Failed to set clk mux, ret = %d\n",
+ ret);
+ }
+
+ if (clk_fde_scale) {
+ ret = clk_set_parent(fde_clki->clk,
+ mclk->ufs_fde_max_clki->clk);
+ if (ret) {
+ dev_info(hba->dev,
+ "Failed to set fde clk mux, ret = %d\n",
+ ret);
+ }
+ }
} else {
+ if (clk_fde_scale) {
+ ret = clk_set_parent(fde_clki->clk,
+ mclk->ufs_fde_min_clki->clk);
+ if (ret) {
+ dev_info(hba->dev,
+ "Failed to set fde clk mux, ret = %d\n",
+ ret);
+ goto out;
+ }
+ }
+
ret = clk_set_parent(clki->clk, mclk->ufs_sel_min_clki->clk);
- clki->curr_freq = clki->min_freq;
- }
+ if (ret) {
+ dev_info(hba->dev, "Failed to set clk mux, ret = %d\n",
+ ret);
+ goto out;
+ }
- if (ret) {
- dev_info(hba->dev,
- "Failed to set ufs_sel_clki, ret: %d\n", ret);
+ if (clk_bind_vcore) {
+ ret = regulator_set_voltage(reg, 0, INT_MAX);
+ if (ret) {
+ dev_info(hba->dev,
+ "failed to set vcore to MIN\n");
+ }
+ }
}
+out:
clk_disable_unprepare(clki->clk);
+ if (clk_fde_scale)
+ clk_disable_unprepare(fde_clki->clk);
+}
+
+/**
+ * ufs_mtk_clk_scale - Internal clk scaling operation
+ *
+ * MTK platform supports clk scaling by switching parent of ufs_sel(mux).
+ * The ufs_sel downstream to ufs_ck which feeds directly to UFS hardware.
+ * Max and min clocks rate of ufs_sel defined in dts should match rate of
+ * "ufs_sel_max_src" and "ufs_sel_min_src" respectively.
+ * This prevent changing rate of pll clock that is shared between modules.
+ *
+ * @hba: per adapter instance
+ * @scale_up: True for scaling up and false for scaling down
+ */
+static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ struct ufs_mtk_clk *mclk = &host->mclk;
+ struct ufs_clk_info *clki = mclk->ufs_sel_clki;
+
+ if (host->clk_scale_up == scale_up)
+ goto out;
+
+ if (scale_up)
+ _ufs_mtk_clk_scale(hba, true);
+ else
+ _ufs_mtk_clk_scale(hba, false);
+
+ host->clk_scale_up = scale_up;
+
+ /* Must always set before clk_set_rate() */
+ if (scale_up)
+ clki->curr_freq = clki->max_freq;
+ else
+ clki->curr_freq = clki->min_freq;
+out:
trace_ufs_mtk_clk_scale(clki->name, scale_up, clk_get_rate(clki->clk));
}
diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h
index 05d76a6bd772..e46dc5fa209d 100644
--- a/drivers/ufs/host/ufs-mediatek.h
+++ b/drivers/ufs/host/ufs-mediatek.h
@@ -133,6 +133,8 @@ enum ufs_mtk_host_caps {
UFS_MTK_CAP_DISABLE_MCQ = 1 << 8,
/* Control MTCMOS with RTFF */
UFS_MTK_CAP_RTFF_MTCMOS = 1 << 9,
+
+ UFS_MTK_CAP_MCQ_BROKEN_RTC = 1 << 10,
};
struct ufs_mtk_crypt_cfg {
@@ -147,6 +149,11 @@ struct ufs_mtk_clk {
struct ufs_clk_info *ufs_sel_clki; /* Mux */
struct ufs_clk_info *ufs_sel_max_clki; /* Max src */
struct ufs_clk_info *ufs_sel_min_clki; /* Min src */
+ struct ufs_clk_info *ufs_fde_clki; /* Mux */
+ struct ufs_clk_info *ufs_fde_max_clki; /* Max src */
+ struct ufs_clk_info *ufs_fde_min_clki; /* Min src */
+ struct regulator *reg_vcore;
+ int vcore_volt;
};
struct ufs_mtk_hw_ver {
@@ -176,9 +183,11 @@ struct ufs_mtk_host {
bool mphy_powered_on;
bool unipro_lpm;
bool ref_clk_enabled;
+ bool clk_scale_up;
u16 ref_clk_ungating_wait_us;
u16 ref_clk_gating_wait_us;
u32 ip_ver;
+ bool legacy_ip_ver;
bool mcq_set_intr;
bool is_mcq_intr_enabled;
@@ -192,4 +201,27 @@ struct ufs_mtk_host {
/* MTK RTT support number */
#define MTK_MAX_NUM_RTT 2
+/* UFSHCI MTK ip version value */
+enum {
+ /* UFSHCI 3.1 */
+ IP_VER_MT6983 = 0x10360000,
+ IP_VER_MT6878 = 0x10420200,
+
+ /* UFSHCI 4.0 */
+ IP_VER_MT6897 = 0x10440000,
+ IP_VER_MT6989 = 0x10450000,
+ IP_VER_MT6899 = 0x10450100,
+ IP_VER_MT6991_A0 = 0x10460000,
+ IP_VER_MT6991_B0 = 0x10470000,
+ IP_VER_MT6993 = 0x10480000,
+
+ IP_VER_NONE = 0xFFFFFFFF
+};
+
+enum ip_ver_legacy {
+ IP_LEGACY_VER_MT6781 = 0x10380000,
+ IP_LEGACY_VER_MT6879 = 0x10360000,
+ IP_LEGACY_VER_MT6893 = 0x20160706
+};
+
#endif /* !_UFS_MEDIATEK_H */
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 4bbe4de1679b..76fc70503a62 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -1898,7 +1898,6 @@ static int ufs_qcom_device_reset(struct ufs_hba *hba)
return 0;
}
-#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)
static void ufs_qcom_config_scaling_param(struct ufs_hba *hba,
struct devfreq_dev_profile *p,
struct devfreq_simple_ondemand_data *d)
@@ -1910,13 +1909,6 @@ static void ufs_qcom_config_scaling_param(struct ufs_hba *hba,
hba->clk_scaling.suspend_on_no_request = true;
}
-#else
-static void ufs_qcom_config_scaling_param(struct ufs_hba *hba,
- struct devfreq_dev_profile *p,
- struct devfreq_simple_ondemand_data *data)
-{
-}
-#endif
/* Resources */
static const struct ufshcd_res_info ufs_res_info[RES_MAX] = {
diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c
index 996387906aa1..b39239f641f2 100644
--- a/drivers/ufs/host/ufshcd-pci.c
+++ b/drivers/ufs/host/ufshcd-pci.c
@@ -22,17 +22,12 @@
#define MAX_SUPP_MAC 64
-struct ufs_host {
- void (*late_init)(struct ufs_hba *hba);
-};
-
enum intel_ufs_dsm_func_id {
INTEL_DSM_FNS = 0,
INTEL_DSM_RESET = 1,
};
struct intel_host {
- struct ufs_host ufs_host;
u32 dsm_fns;
u32 active_ltr;
u32 idle_ltr;
@@ -408,8 +403,14 @@ static int ufs_intel_ehl_init(struct ufs_hba *hba)
return ufs_intel_common_init(hba);
}
-static void ufs_intel_lkf_late_init(struct ufs_hba *hba)
+static int ufs_intel_lkf_init(struct ufs_hba *hba)
{
+ int err;
+
+ hba->nop_out_timeout = 200;
+ hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
+ hba->caps |= UFSHCD_CAP_CRYPTO;
+ err = ufs_intel_common_init(hba);
/* LKF always needs a full reset, so set PM accordingly */
if (hba->caps & UFSHCD_CAP_DEEPSLEEP) {
hba->spm_lvl = UFS_PM_LVL_6;
@@ -418,19 +419,6 @@ static void ufs_intel_lkf_late_init(struct ufs_hba *hba)
hba->spm_lvl = UFS_PM_LVL_5;
hba->rpm_lvl = UFS_PM_LVL_5;
}
-}
-
-static int ufs_intel_lkf_init(struct ufs_hba *hba)
-{
- struct ufs_host *ufs_host;
- int err;
-
- hba->nop_out_timeout = 200;
- hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
- hba->caps |= UFSHCD_CAP_CRYPTO;
- err = ufs_intel_common_init(hba);
- ufs_host = ufshcd_get_variant(hba);
- ufs_host->late_init = ufs_intel_lkf_late_init;
return err;
}
@@ -444,6 +432,8 @@ static int ufs_intel_adl_init(struct ufs_hba *hba)
static int ufs_intel_mtl_init(struct ufs_hba *hba)
{
+ hba->rpm_lvl = UFS_PM_LVL_2;
+ hba->spm_lvl = UFS_PM_LVL_2;
hba->caps |= UFSHCD_CAP_CRYPTO | UFSHCD_CAP_WB_EN;
return ufs_intel_common_init(hba);
}
@@ -574,7 +564,6 @@ static void ufshcd_pci_remove(struct pci_dev *pdev)
static int
ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
- struct ufs_host *ufs_host;
struct ufs_hba *hba;
void __iomem *mmio_base;
int err;
@@ -607,10 +596,6 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return err;
}
- ufs_host = ufshcd_get_variant(hba);
- if (ufs_host && ufs_host->late_init)
- ufs_host->late_init(hba);
-
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_allow(&pdev->dev);
diff --git a/drivers/vfio/device_cdev.c b/drivers/vfio/device_cdev.c
index 281a8dc3ed49..480cac3a0c27 100644
--- a/drivers/vfio/device_cdev.c
+++ b/drivers/vfio/device_cdev.c
@@ -60,22 +60,50 @@ static void vfio_df_get_kvm_safe(struct vfio_device_file *df)
spin_unlock(&df->kvm_ref_lock);
}
+static int vfio_df_check_token(struct vfio_device *device,
+ const struct vfio_device_bind_iommufd *bind)
+{
+ uuid_t uuid;
+
+ if (!device->ops->match_token_uuid) {
+ if (bind->flags & VFIO_DEVICE_BIND_FLAG_TOKEN)
+ return -EINVAL;
+ return 0;
+ }
+
+ if (!(bind->flags & VFIO_DEVICE_BIND_FLAG_TOKEN))
+ return device->ops->match_token_uuid(device, NULL);
+
+ if (copy_from_user(&uuid, u64_to_user_ptr(bind->token_uuid_ptr),
+ sizeof(uuid)))
+ return -EFAULT;
+ return device->ops->match_token_uuid(device, &uuid);
+}
+
long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,
struct vfio_device_bind_iommufd __user *arg)
{
+ const u32 VALID_FLAGS = VFIO_DEVICE_BIND_FLAG_TOKEN;
struct vfio_device *device = df->device;
struct vfio_device_bind_iommufd bind;
unsigned long minsz;
+ u32 user_size;
int ret;
static_assert(__same_type(arg->out_devid, df->devid));
minsz = offsetofend(struct vfio_device_bind_iommufd, out_devid);
- if (copy_from_user(&bind, arg, minsz))
- return -EFAULT;
+ ret = get_user(user_size, &arg->argsz);
+ if (ret)
+ return ret;
+ if (user_size < minsz)
+ return -EINVAL;
+ ret = copy_struct_from_user(&bind, minsz, arg, user_size);
+ if (ret)
+ return ret;
- if (bind.argsz < minsz || bind.flags || bind.iommufd < 0)
+ if (bind.iommufd < 0 || bind.flags & ~VALID_FLAGS)
return -EINVAL;
/* BIND_IOMMUFD only allowed for cdev fds */
@@ -93,6 +121,10 @@ long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,
goto out_unlock;
}
+ ret = vfio_df_check_token(device, &bind);
+ if (ret)
+ goto out_unlock;
+
df->iommufd = iommufd_ctx_from_fd(bind.iommufd);
if (IS_ERR(df->iommufd)) {
ret = PTR_ERR(df->iommufd);
diff --git a/drivers/vfio/group.c b/drivers/vfio/group.c
index c321d442f0da..c376a6279de0 100644
--- a/drivers/vfio/group.c
+++ b/drivers/vfio/group.c
@@ -192,11 +192,10 @@ static int vfio_df_group_open(struct vfio_device_file *df)
* implies they expected translation to exist
*/
if (!capable(CAP_SYS_RAWIO) ||
- vfio_iommufd_device_has_compat_ioas(device, df->iommufd))
+ vfio_iommufd_device_has_compat_ioas(device, df->iommufd)) {
ret = -EPERM;
- else
- ret = 0;
- goto out_put_kvm;
+ goto out_put_kvm;
+ }
}
ret = vfio_df_open(df);
diff --git a/drivers/vfio/iommufd.c b/drivers/vfio/iommufd.c
index c8c3a2d53f86..a38d262c6028 100644
--- a/drivers/vfio/iommufd.c
+++ b/drivers/vfio/iommufd.c
@@ -25,6 +25,10 @@ int vfio_df_iommufd_bind(struct vfio_device_file *df)
lockdep_assert_held(&vdev->dev_set->lock);
+ /* Returns 0 to permit device opening under noiommu mode */
+ if (vfio_device_is_noiommu(vdev))
+ return 0;
+
return vdev->ops->bind_iommufd(vdev, ictx, &df->devid);
}
diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
index 2149f49aeec7..397f5e445136 100644
--- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
+++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
@@ -1583,6 +1583,7 @@ static const struct vfio_device_ops hisi_acc_vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c
index 5b919a0b2524..a92b095b90f6 100644
--- a/drivers/vfio/pci/mlx5/cmd.c
+++ b/drivers/vfio/pci/mlx5/cmd.c
@@ -1523,8 +1523,8 @@ int mlx5vf_start_page_tracker(struct vfio_device *vdev,
log_max_msg_size = MLX5_CAP_ADV_VIRTUALIZATION(mdev, pg_track_log_max_msg_size);
max_msg_size = (1ULL << log_max_msg_size);
/* The RQ must hold at least 4 WQEs/messages for successful QP creation */
- if (rq_size < 4 * max_msg_size)
- rq_size = 4 * max_msg_size;
+ if (rq_size < 4ULL * max_msg_size)
+ rq_size = 4ULL * max_msg_size;
memset(tracker, 0, sizeof(*tracker));
tracker->uar = mlx5_get_uars_page(mdev);
diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c
index 93f894fe60d2..7ec47e736a8e 100644
--- a/drivers/vfio/pci/mlx5/main.c
+++ b/drivers/vfio/pci/mlx5/main.c
@@ -1372,6 +1372,7 @@ static const struct vfio_device_ops mlx5vf_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/nvgrace-gpu/main.c b/drivers/vfio/pci/nvgrace-gpu/main.c
index e5ac39c4cc6b..d95761dcdd58 100644
--- a/drivers/vfio/pci/nvgrace-gpu/main.c
+++ b/drivers/vfio/pci/nvgrace-gpu/main.c
@@ -696,6 +696,7 @@ static const struct vfio_device_ops nvgrace_gpu_pci_ops = {
.mmap = nvgrace_gpu_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -715,6 +716,7 @@ static const struct vfio_device_ops nvgrace_gpu_pci_core_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/pds/vfio_dev.c b/drivers/vfio/pci/pds/vfio_dev.c
index 76a80ae7087b..f3ccb0008f67 100644
--- a/drivers/vfio/pci/pds/vfio_dev.c
+++ b/drivers/vfio/pci/pds/vfio_dev.c
@@ -201,9 +201,11 @@ static const struct vfio_device_ops pds_vfio_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
+ .detach_ioas = vfio_iommufd_physical_detach_ioas,
};
const struct vfio_device_ops *pds_vfio_ops_info(void)
diff --git a/drivers/vfio/pci/qat/main.c b/drivers/vfio/pci/qat/main.c
index 845ed15b6771..a19b68043eb2 100644
--- a/drivers/vfio/pci/qat/main.c
+++ b/drivers/vfio/pci/qat/main.c
@@ -614,6 +614,7 @@ static const struct vfio_device_ops qat_vf_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -675,6 +676,8 @@ static const struct pci_device_id qat_vf_vfio_pci_table[] = {
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4941) },
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4943) },
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4945) },
+ /* Intel QAT GEN6 6xxx VF device */
+ { PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4949) },
{}
};
MODULE_DEVICE_TABLE(pci, qat_vf_vfio_pci_table);
@@ -696,5 +699,5 @@ module_pci_driver(qat_vf_vfio_pci_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Xin Zeng <xin.zeng@intel.com>");
-MODULE_DESCRIPTION("QAT VFIO PCI - VFIO PCI driver with live migration support for Intel(R) QAT GEN4 device family");
+MODULE_DESCRIPTION("QAT VFIO PCI - VFIO PCI driver with live migration support for Intel(R) QAT device family");
MODULE_IMPORT_NS("CRYPTO_QAT");
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 5ba39f7623bb..ac10f14417f2 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -138,6 +138,7 @@ static const struct vfio_device_ops vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index 31bdb9110cc0..7dcf5439dedc 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -1818,9 +1818,13 @@ void vfio_pci_core_request(struct vfio_device *core_vdev, unsigned int count)
}
EXPORT_SYMBOL_GPL(vfio_pci_core_request);
-static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
- bool vf_token, uuid_t *uuid)
+int vfio_pci_core_match_token_uuid(struct vfio_device *core_vdev,
+ const uuid_t *uuid)
+
{
+ struct vfio_pci_core_device *vdev =
+ container_of(core_vdev, struct vfio_pci_core_device, vdev);
+
/*
* There's always some degree of trust or collaboration between SR-IOV
* PF and VFs, even if just that the PF hosts the SR-IOV capability and
@@ -1851,7 +1855,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
bool match;
if (!pf_vdev) {
- if (!vf_token)
+ if (!uuid)
return 0; /* PF is not vfio-pci, no VF token */
pci_info_ratelimited(vdev->pdev,
@@ -1859,7 +1863,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
return -EINVAL;
}
- if (!vf_token) {
+ if (!uuid) {
pci_info_ratelimited(vdev->pdev,
"VF token required to access device\n");
return -EACCES;
@@ -1877,7 +1881,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
} else if (vdev->vf_token) {
mutex_lock(&vdev->vf_token->lock);
if (vdev->vf_token->users) {
- if (!vf_token) {
+ if (!uuid) {
mutex_unlock(&vdev->vf_token->lock);
pci_info_ratelimited(vdev->pdev,
"VF token required to access device\n");
@@ -1890,12 +1894,12 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
"Incorrect VF token provided for device\n");
return -EACCES;
}
- } else if (vf_token) {
+ } else if (uuid) {
uuid_copy(&vdev->vf_token->uuid, uuid);
}
mutex_unlock(&vdev->vf_token->lock);
- } else if (vf_token) {
+ } else if (uuid) {
pci_info_ratelimited(vdev->pdev,
"VF token incorrectly provided, not a PF or VF\n");
return -EINVAL;
@@ -1903,6 +1907,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
return 0;
}
+EXPORT_SYMBOL_GPL(vfio_pci_core_match_token_uuid);
#define VF_TOKEN_ARG "vf_token="
@@ -1949,7 +1954,8 @@ int vfio_pci_core_match(struct vfio_device *core_vdev, char *buf)
}
}
- ret = vfio_pci_validate_vf_token(vdev, vf_token, &uuid);
+ ret = core_vdev->ops->match_token_uuid(core_vdev,
+ vf_token ? &uuid : NULL);
if (ret)
return ret;
@@ -2146,7 +2152,7 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev)
return -EBUSY;
}
- if (pci_is_root_bus(pdev->bus)) {
+ if (pci_is_root_bus(pdev->bus) || pdev->is_virtfn) {
ret = vfio_assign_device_set(&vdev->vdev, vdev);
} else if (!pci_probe_reset_slot(pdev->slot)) {
ret = vfio_assign_device_set(&vdev->vdev, pdev->slot);
diff --git a/drivers/vfio/pci/virtio/main.c b/drivers/vfio/pci/virtio/main.c
index 515fe1b9f94d..8084f3e36a9f 100644
--- a/drivers/vfio/pci/virtio/main.c
+++ b/drivers/vfio/pci/virtio/main.c
@@ -94,6 +94,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_lm_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -114,6 +115,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_tran_lm_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -134,6 +136,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 1136d7ac6b59..f8d68fe77b41 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -647,6 +647,13 @@ static long vfio_pin_pages_remote(struct vfio_dma *dma, unsigned long vaddr,
while (npage) {
if (!batch->size) {
+ /*
+ * Large mappings may take a while to repeatedly refill
+ * the batch, so conditionally relinquish the CPU when
+ * needed to avoid stalls.
+ */
+ cond_resched();
+
/* Empty batch, so refill it. */
ret = vaddr_get_pfns(mm, vaddr, npage, dma->prot,
&pfn, batch);
diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c
index 1fd261efc582..5046cae05222 100644
--- a/drivers/vfio/vfio_main.c
+++ b/drivers/vfio/vfio_main.c
@@ -583,7 +583,8 @@ void vfio_df_close(struct vfio_device_file *df)
lockdep_assert_held(&device->dev_set->lock);
- vfio_assert_device_open(device);
+ if (!vfio_assert_device_open(device))
+ return;
if (device->open_count == 1)
vfio_df_device_last_close(df);
device->open_count--;