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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver updates from Greg KH:
"Here is the big set of char/misc/iio and other smaller driver
subsystem changes for 7.0-rc1. Lots of little things in here,
including:
- Loads of iio driver changes and updates and additions
- gpib driver updates
- interconnect driver updates
- i3c driver updates
- hwtracing (coresight and intel) driver updates
- deletion of the obsolete mwave driver
- binder driver updates (rust and c versions)
- mhi driver updates (causing a merge conflict, see below)
- mei driver updates
- fsi driver updates
- eeprom driver updates
- lots of other small char and misc driver updates and cleanups
All of these have been in linux-next for a while, with no reported
issues"
* tag 'char-misc-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (297 commits)
mux: mmio: fix regmap leak on probe failure
rust_binder: return p from rust_binder_transaction_target_node()
drivers: android: binder: Update ARef imports from sync::aref
rust_binder: fix needless borrow in context.rs
iio: magn: mmc5633: Fix Kconfig for combination of I3C as module and driver builtin
iio: sca3000: Fix a resource leak in sca3000_probe()
iio: proximity: rfd77402: Add interrupt handling support
iio: proximity: rfd77402: Document device private data structure
iio: proximity: rfd77402: Use devm-managed mutex initialization
iio: proximity: rfd77402: Use kernel helper for result polling
iio: proximity: rfd77402: Align polling timeout with datasheet
iio: cros_ec: Allow enabling/disabling calibration mode
iio: frequency: ad9523: correct kernel-doc bad line warning
iio: buffer: buffer_impl.h: fix kernel-doc warnings
iio: gyro: itg3200: Fix unchecked return value in read_raw
MAINTAINERS: add entry for ADE9000 driver
iio: accel: sca3000: remove unused last_timestamp field
iio: accel: adxl372: remove unused int2_bitmask field
iio: adc: ad7766: Use iio_trigger_generic_data_rdy_poll()
iio: magnetometer: Remove IRQF_ONESHOT
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- "ocfs2: give ocfs2 the ability to reclaim suballocator free bg" saves
disk space by teaching ocfs2 to reclaim suballocator block group
space (Heming Zhao)
- "Add ARRAY_END(), and use it to fix off-by-one bugs" adds the
ARRAY_END() macro and uses it in various places (Alejandro Colomar)
- "vmcoreinfo: support VMCOREINFO_BYTES larger than PAGE_SIZE" makes
the vmcore code future-safe, if VMCOREINFO_BYTES ever exceeds the
page size (Pnina Feder)
- "kallsyms: Prevent invalid access when showing module buildid" cleans
up kallsyms code related to module buildid and fixes an invalid
access crash when printing backtraces (Petr Mladek)
- "Address page fault in ima_restore_measurement_list()" fixes a
kexec-related crash that can occur when booting the second-stage
kernel on x86 (Harshit Mogalapalli)
- "kho: ABI headers and Documentation updates" updates the kexec
handover ABI documentation (Mike Rapoport)
- "Align atomic storage" adds the __aligned attribute to atomic_t and
atomic64_t definitions to get natural alignment of both types on
csky, m68k, microblaze, nios2, openrisc and sh (Finn Thain)
- "kho: clean up page initialization logic" simplifies the page
initialization logic in kho_restore_page() (Pratyush Yadav)
- "Unload linux/kernel.h" moves several things out of kernel.h and into
more appropriate places (Yury Norov)
- "don't abuse task_struct.group_leader" removes the usage of
->group_leader when it is "obviously unnecessary" (Oleg Nesterov)
- "list private v2 & luo flb" adds some infrastructure improvements to
the live update orchestrator (Pasha Tatashin)
* tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (107 commits)
watchdog/hardlockup: simplify perf event probe and remove per-cpu dependency
procfs: fix missing RCU protection when reading real_parent in do_task_stat()
watchdog/softlockup: fix sample ring index wrap in need_counting_irqs()
kcsan, compiler_types: avoid duplicate type issues in BPF Type Format
kho: fix doc for kho_restore_pages()
tests/liveupdate: add in-kernel liveupdate test
liveupdate: luo_flb: introduce File-Lifecycle-Bound global state
liveupdate: luo_file: Use private list
list: add kunit test for private list primitives
list: add primitives for private list manipulations
delayacct: fix uapi timespec64 definition
panic: add panic_force_cpu= parameter to redirect panic to a specific CPU
netclassid: use thread_group_leader(p) in update_classid_task()
RDMA/umem: don't abuse current->group_leader
drm/pan*: don't abuse current->group_leader
drm/amd: kill the outdated "Only the pthreads threading model is supported" checks
drm/amdgpu: don't abuse current->group_leader
android/binder: use same_thread_group(proc->tsk, current) in binder_mmap()
android/binder: don't abuse current->group_leader
kho: skip memoryless NUMA nodes when reserving scratch areas
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"There are are a number of to firmware drivers, in particular the TEE
subsystem:
- a bus callback for TEE firmware that device drivers can register to
- sysfs support for tee firmware information
- minor updates to platform specific TEE drivers for AMD, NXP,
Qualcomm and the generic optee driver
- ARM SCMI firmware refactoring to improve the protocol discover
among other fixes and cleanups
- ARM FF-A firmware interoperability improvements
The reset controller and memory controller subsystems gain support for
additional hardware platforms from Mediatek, Renesas, NXP, Canaan and
SpacemiT.
Most of the other changes are for random drivers/soc code. Among a
number of cleanups and newly added hardware support, including:
- Mediatek MT8196 DVFS power management and mailbox support
- Qualcomm SCM firmware and MDT loader refactoring, as part of the
new Glymur platform support.
- NXP i.MX9 System Manager firmware support for accessing the syslog
- Minor updates for TI, Renesas, Samsung, Apple, Marvell and AMD
SoCs"
* tag 'soc-drivers-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (171 commits)
bus: fsl-mc: fix an error handling in fsl_mc_device_add()
reset: spacemit: Add SpacemiT K3 reset driver
reset: spacemit: Extract common K1 reset code
reset: Create subdirectory for SpacemiT drivers
dt-bindings: soc: spacemit: Add K3 reset support and IDs
reset: canaan: k230: drop OF dependency and enable by default
reset: rzg2l-usbphy-ctrl: Add suspend/resume support
reset: rzg2l-usbphy-ctrl: Propagate the return value of regmap_field_update_bits()
reset: gpio: check the return value of gpiod_set_value_cansleep()
reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
reset: imx8mp-audiomix: Extend the driver usage
reset: imx8mp-audiomix: Switch to using regmap API
reset: imx8mp-audiomix: Drop unneeded macros
soc: fsl: qe: qe_ports_ic: Consolidate chained IRQ handler install/remove
soc: mediatek: mtk-cmdq: Add mminfra_offset adjustment for DRAM addresses
soc: mediatek: mtk-cmdq: Extend cmdq_pkt_write API for SoCs without subsys ID
soc: mediatek: mtk-cmdq: Add pa_base parsing for hardware without subsys ID support
soc: mediatek: mtk-cmdq: Add cmdq_get_mbox_priv() in cmdq_pkt_create()
mailbox: mtk-cmdq: Add driver data to support for MT8196
mailbox: mtk-cmdq: Add mminfra_offset configuration for DRAM transaction
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq cleanups from Thomas Gleixner:
"A series of treewide cleanups to ensure interrupt request consistency.
- Add the missing IRQF_COND_ONESHOT flag to devm_request_irq()
This is inconsistent vs request_irq() and causes the same issues
which where addressed with the introduction of this flag
- Cleanup IRQF_ONESHOT and IRQF_NO_THREAD usage
Quite some drivers have inconsistent interrupt request flags
related to interrupt threading namely IRQF_ONESHOT and
IRQF_NO_THREAD. This leads to warnings and/or malfunction when
forced interrupt threading is enabled.
- Remove stub primary (hard interrupt) handlers
A bunch of drivers implement a stub primary (hard interrupt)
handler which just returns IRQ_WAKE_THREAD. The same functionality
is provided by the core code when the primary handler argument of
request_thread_irq() is set to NULL"
* tag 'irq-cleanups-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
media: pci: mg4b: Use IRQF_NO_THREAD
mfd: wm8350-core: Use IRQF_ONESHOT
thermal/qcom/lmh: Replace IRQF_ONESHOT with IRQF_NO_THREAD
rtc: amlogic-a4: Remove IRQF_ONESHOT
usb: typec: fusb302: Remove IRQF_ONESHOT
EDAC/altera: Remove IRQF_ONESHOT
char: tpm: cr50: Remove IRQF_ONESHOT
ARM: versatile: Remove IRQF_ONESHOT
scsi: efct: Use IRQF_ONESHOT and default primary handler
Bluetooth: btintel_pcie: Use IRQF_ONESHOT and default primary handler
bus: fsl-mc: Use default primary handler
mailbox: bcm-ferxrm-mailbox: Use default primary handler
iommu/amd: Use core's primary handler and set IRQF_ONESHOT
platform/x86: int0002: Remove IRQF_ONESHOT from request_irq()
genirq: Set IRQF_COND_ONESHOT in devm_request_irq().
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https://git.kernel.org/pub/scm/linux/kernel/git/chleroy/linux into soc/drivers
FSL SOC Changes for 6.20
Freescale Management Complex:
- Convert fsl-mc bus to bus callbacks
- Fix a use-after-free
- Drop redundant error messages
- Fix ressources release on some error path
Freescale QUICC Engine:
- Add an interrupt controller for IO Ports
- Use scoped for-each OF child loop
* tag 'soc_fsl-6.20-1' of https://git.kernel.org/pub/scm/linux/kernel/git/chleroy/linux:
bus: fsl-mc: fix an error handling in fsl_mc_device_add()
soc: fsl: qe: qe_ports_ic: Consolidate chained IRQ handler install/remove
dt-bindings: soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports
soc: fsl: qe: Add an interrupt controller for QUICC Engine Ports
soc: fsl: qe: Simplify with scoped for each OF child loop
bus: fsl-mc: fix use-after-free in driver_override_show()
bus: fsl-mc: Convert to bus callbacks
bus: fsl-mc: Drop error message in probe function
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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There is no added value in dprc_irq0_handler() compared to
irq_default_primary_handler().
Use the default primary interrupt handler by specifying NULL.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://patch.msgid.link/20260128095540.863589-6-bigeasy@linutronix.de
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into soc/drivers
drivers: bus & hwsplinlock updates for OMAP
* tag 'omap-for-v6.20/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap:
hwspinlock: omap: Handle devm_pm_runtime_enable() errors
bus: omap-ocp2scp: enable compile testing
bus: omap-ocp2scp: fix OF populate on driver rebind
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In fsl_mc_device_add(), device_initialize() is called first.
put_device() should be called to drop the reference if error
occurs. And other resources would be released via put_device
-> fsl_mc_device_release. So remove redundant kfree() in
error handling path.
Fixes: bbf9d17d9875 ("staging: fsl-mc: Freescale Management Complex (fsl-mc) bus driver")
Cc: stable@vger.kernel.org
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/b767348e-d89c-416e-acea-1ebbff3bea20@stanley.mountain/
Signed-off-by: Su Hui <suhui@nfschina.com>
Suggested-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20260124102054.1613093-1-lihaoxiang@isrc.iscas.ac.cn
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
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Make the simple-pm-bus driver probe the Layerscape SCFG dt nodes and
populate platform_device structures from its child dt nodes.
This is now needed because its child interrupt-controller - ls-extirq -
is being handled as a platform_device instead of being initialized
through the IRQCHIP_DECLARE infrastructure which impeded its parent IRQ
retrieval through the blamed commit.
Note that this does not set ONLY_BUS because that enables the
of_platform_populate() call. The extra power management operations which
are enabled by that are not required but harmless.
Fixes: 1b1f04d8271e ("of/irq: Ignore interrupt parent for nodes without interrupts")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260122134034.3274053-3-ioana.ciornei@nxp.com
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Remove <linux/hex.h> from <linux/kernel.h> and update all users/callers of
hex.h interfaces to directly #include <linux/hex.h> as part of the process
of putting kernel.h on a diet.
Removing hex.h from kernel.h means that 36K C source files don't have to
pay the price of parsing hex.h for the roughly 120 C source files that
need it.
This change has been build-tested with allmodconfig on most ARCHes. Also,
all users/callers of <linux/hex.h> in the entire source tree have been
updated if needed (if not already #included).
Link: https://lkml.kernel.org/r/20251215005206.2362276-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Yury Norov (NVIDIA) <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI Host
--------
- Add support for loading dual ELF image format firmware to Qcom Trust
Management Engine Lit (TME-L) supported devices like QCC2072, which require
separate ELF header for SBL and WLAN firmware segments in a single firmware.
- Remove the MHI auto_queue feature support. This feature was added to offload
the queuing of buffers from the client drivers to the MHI stack, but it caused
a lot of race over the time. So remove this feature from the QRTR client
driver and also from the MHI stack/controller drivers.
- Move the .probe() and .remove() callbacks from driver level to bus level.
MHI Endpoint
------------
- Move the .probe() and .remove() callbacks from driver level to bus level.
* tag 'mhi-for-v6.20' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: ep: Use bus callbacks for .probe() and .remove()
bus: mhi: host: Use bus callbacks for .probe() and .remove()
bus: mhi: host: Drop the auto_queue support
net: qrtr: Drop the MHI auto_queue feature for IPCR DL channels
mhi: host: Add support for loading dual ELF image format
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Fix following sparse warning:
CHECK drivers/bus/fsl-mc/fsl-mc-bus.c
drivers/bus/fsl-mc/fsl-mc-bus.c:435:26: warning: symbol 'fsl_mc_bus_dpdbg_type' was not declared. Should it be static?
fsl_mc_bus_dpdbg_type is not used outside of fsl-mc-bus.c
Remove the EXPORT_SYMBOL and declare it static.
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Link: https://patch.msgid.link/628c49881b3a1df76cfd2f8fd2aad976692a465a.1768566053.git.chleroy@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There seems to be nothing preventing the driver from being compile
tested so enable that for wider build coverage.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20251219110259.23630-1-johan@kernel.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Since commit c6e126de43e7 ("of: Keep track of populated platform
devices") child devices will not be created by of_platform_populate()
if the devices had previously been deregistered individually so that the
OF_POPULATED flag is still set in the corresponding OF nodes.
Switch to using of_platform_depopulate() instead of open coding so that
the child devices are created if the driver is rebound.
Fixes: c6e126de43e7 ("of: Keep track of populated platform devices")
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20251219110119.23507-1-johan@kernel.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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The driver_override_show() function reads the driver_override string
without holding the device_lock. However, driver_override_store() uses
driver_set_override(), which modifies and frees the string while holding
the device_lock.
This can result in a concurrent use-after-free if the string is freed
by the store function while being read by the show function.
Fix this by holding the device_lock around the read operation.
Fixes: 1f86a00c1159 ("bus/fsl-mc: add support for 'driver_override' in the mc-bus")
Cc: stable@vger.kernel.org
Signed-off-by: Gui-Dong Han <hanguidong02@gmail.com>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20251202174438.12658-1-hanguidong02@gmail.com
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
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Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260102125030.65186-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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These are nearly identical to the driver callbacks, the only relevant
difference is that the bus remove method returns void (instead of an int
where the value is ignored).
The objective is to get rid of users of struct device_driver callbacks
.probe(), and .remove() to eventually remove these.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/2a79d99182a5171e83a07bf9f438ae31362f7e5d.1766090211.git.ukleinek@kernel.org
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These are nearly identical to the driver callbacks, the only relevant
difference is that the bus remove method returns void (instead of an int
where the value is ignored).
The objective is to get rid of users of struct device_driver callbacks
.probe(), and .remove() to eventually remove these.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/e8032b3c2a8953a4a2b84dfa79a260c35f1d71b7.1766090211.git.ukleinek@kernel.org
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Now that the only user of the 'auto_queue' feature, (QRTR) has been
converted to manage the buffers on its own, drop the code related to it.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Link: https://patch.msgid.link/20251218-qrtr-fix-v2-2-c7499bfcfbe0@oss.qualcomm.com
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MHI stack offers the 'auto_queue' feature, which allows the MHI stack to
auto queue the buffers for the RX path (DL channel). Though this feature
simplifies the client driver design, it introduces race between the client
drivers and the MHI stack. For instance, with auto_queue, the 'dl_callback'
for the DL channel may get called before the client driver is fully probed.
This means, by the time the dl_callback gets called, the client driver's
structures might not be initialized, leading to NULL ptr dereference.
Currently, the drivers have to workaround this issue by initializing the
internal structures before calling mhi_prepare_for_transfer_autoqueue().
But even so, there is a chance that the client driver's internal code path
may call the MHI queue APIs before mhi_prepare_for_transfer_autoqueue() is
called, leading to similar NULL ptr dereference. This issue has been
reported on the Qcom X1E80100 CRD machines affecting boot.
So to properly fix all these races, drop the MHI 'auto_queue' feature
altogether and let the client driver (QRTR) manage the RX buffers manually.
In the QRTR driver, queue the RX buffers based on the ring length during
probe and recycle the buffers in 'dl_callback' once they are consumed. This
also warrants removing the setting of 'auto_queue' flag from controller
drivers.
Currently, this 'auto_queue' feature is only enabled for IPCR DL channel.
So only the QRTR client driver requires the modification.
Fixes: 227fee5fc99e ("bus: mhi: core: Add an API for auto queueing buffers for DL channel")
Fixes: 68a838b84eff ("net: qrtr: start MHI channel after endpoit creation")
Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/linux-arm-msm/ZyTtVdkCCES0lkl4@hovoldconsulting.com
Suggested-by: Chris Lew <quic_clew@quicinc.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Acked-by: Jeff Johnson <jjohnson@kernel.org> # drivers/net/wireless/ath/...
Acked-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251218-qrtr-fix-v2-1-c7499bfcfbe0@oss.qualcomm.com
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Currently, the FBC image contains a single ELF header followed by segments
for both SBL and WLAN FW. However, TME-L (Trust Management Engine Lite)
supported devices (e.g., QCC2072) require separate ELF headers for SBL and
WLAN FW segments due to TME-L image authentication requirements.
Current image format contains two sections in a single binary:
- First 512KB: ELF header + SBL segments
- Remaining: WLAN FW segments (raw data)
The TME-L supported image format contains two complete ELF files in a
single binary:
- First 512KB: Complete SBL ELF file (ELF header + SBL segments)
- Remaining: Complete WLAN FW ELF file (ELF header + WLAN FW segments)
Download behavior:
- Legacy: 1. First 512KB via BHI (ELF header + SBL)
2. Full image via BHIe
- TME-L: 1. First 512KB via BHI (SBL ELF file)
2. Remaining via BHIe (WLAN FW ELF file only)
Add runtime detection to automatically identify the image format by
checking for the presence of a second ELF header at the 512KB boundary.
When detected, MHI skips the first 512KB during WLAN FW download over BHIe
as it is loaded in BHI phase.
Signed-off-by: Qiang Yu <qiang.yu@oss.qualcomm.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20251223-wlan_image_load_skip_512k-v5-1-8d4459d720b5@oss.qualcomm.com
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With the eventual goal to drop .probe(), .remove() and .shutdown() from
struct device_driver, convert the fsl bus to use bus methods.
Other than a driver's shutdown callback the bus shutdown callback is
also called for unbound drivers. So check for the device being bound
before following the pointer to its driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/848fffe5c479d899c04a4c99ccb5f0128ccc942d.1764684327.git.u.kleine-koenig@baylibre.com
Link: https://lore.kernel.org/r/20251209115950.3382308-2-u.kleine-koenig@baylibre.com
[chleroy: squashed the two patches]
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
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The driver core already emits an error message when probe fails, see
call_driver_probe() in drivers/base/dd.c. So drop the duplicated error
message.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/52c89497f78839446713a9c5456defce97a74c7d.1764684327.git.u.kleine-koenig@baylibre.com
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver updates from Greg KH:
"Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots
of stuff in here including:
- lots of IIO driver updates, cleanups, and additions
- large interconnect driver changes as they get converted over to a
dynamic system of ids
- coresight driver updates
- mwave driver updates
- binder driver updates and changes
- comedi driver fixes now that the fuzzers are being set loose on
them
- nvmem driver updates
- new uio driver addition
- lots of other small char/misc driver updates, full details in the
shortlog
All of these have been in linux-next for a while now"
* tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (304 commits)
char: applicom: fix NULL pointer dereference in ac_ioctl
hangcheck-timer: fix coding style spacing
hangcheck-timer: Replace %Ld with %lld
hangcheck-timer: replace printk(KERN_CRIT) with pr_crit
uio: Add SVA support for PCI devices via uio_pci_generic_sva.c
dt-bindings: slimbus: fix warning from example
intel_th: Fix error handling in intel_th_output_open
misc: rp1: Fix an error handling path in rp1_probe()
char: xillybus: add WQ_UNBOUND to alloc_workqueue users
misc: bh1770glc: use pm_runtime_resume_and_get() in power_state_store
misc: cb710: Fix a NULL vs IS_ERR() check in probe()
mux: mmio: Add suspend and resume support
virt: acrn: split acrn_mmio_dev_res out of acrn_mmiodev
greybus: gb-beagleplay: Fix timeout handling in bootloader functions
greybus: add WQ_PERCPU to alloc_workqueue users
char/mwave: drop typedefs
char/mwave: drop printk wrapper
char/mwave: remove printk tracing
char/mwave: remove unneeded fops
char/mwave: remove MWAVE_FUTZ_WITH_OTHER_DEVICES ifdeffery
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"This is the first half of the driver changes:
- A treewide interface change to the "syscore" operations for power
management, as a preparation for future Tegra specific changes
- Reset controller updates with added drivers for LAN969x, eic770 and
RZ/G3S SoCs
- Protection of system controller registers on Renesas and Google
SoCs, to prevent trivially triggering a system crash from e.g.
debugfs access
- soc_device identification updates on Nvidia, Exynos and Mediatek
- debugfs support in the ST STM32 firewall driver
- Minor updates for SoC drivers on AMD/Xilinx, Renesas, Allwinner, TI
- Cleanups for memory controller support on Nvidia and Renesas"
* tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (114 commits)
memory: tegra186-emc: Fix missing put_bpmp
Documentation: reset: Remove reset_controller_add_lookup()
reset: fix BIT macro reference
reset: rzg2l-usbphy-ctrl: Fix a NULL vs IS_ERR() bug in probe
reset: th1520: Support reset controllers in more subsystems
reset: th1520: Prepare for supporting multiple controllers
dt-bindings: reset: thead,th1520-reset: Add controllers for more subsys
dt-bindings: reset: thead,th1520-reset: Remove non-VO-subsystem resets
reset: remove legacy reset lookup code
clk: davinci: psc: drop unused reset lookup
reset: rzg2l-usbphy-ctrl: Add support for RZ/G3S SoC
reset: rzg2l-usbphy-ctrl: Add support for USB PWRRDY
dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G3S support
reset: eswin: Add eic7700 reset driver
dt-bindings: reset: eswin: Documentation for eic7700 SoC
reset: sparx5: add LAN969x support
dt-bindings: reset: microchip: Add LAN969x support
soc: rockchip: grf: Add select correct PWM implementation on RK3368
soc/tegra: pmc: Add USB wake events for Tegra234
amba: tegra-ahb: Fix device leak on SMMU enable
...
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git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into soc/drivers
STM32 Firewall bus for v6.19, round 1
Highlights:
----------
The STM32MP21x platforms have a slightly different RIFSC. Add support
for these platforms.
Also, the RIF is a complex firewall framework which can be tricky
to debug. To facilitate the latter, add a debugfs entry that can
be used to display the whole RIFSC firewall configuration at runtime.
* tag 'stm32-bus-firewall-for-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
bus: rifsc: add debugfs entry to dump the firewall configuration
dt-bindings: bus: add stm32mp21 RIFSC compatible
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into soc/drivers
ti-sysc: allow OMAP2 and OMAP4 timers to be reserved on AM33xx
* tag 'omap-for-v6.19/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap:
ti-sysc: allow OMAP2 and OMAP4 timers to be reserved on AM33xx
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/drivers
Allwinner driver changes for 6.19
Just one cleanup change that is part of tree wide cleanup of redundant
pm_runtime_mark_last_busy() calls.
* tag 'sunxi-drivers-for-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Remove redundant pm_runtime_mark_last_busy() calls
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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T99W760 modem is based on Qualcomm SDX35 chipset. It uses the same channel
configurations of Foxconn SDX61 modem. Hence, add support for it by reusing
the 'modem_foxconn_sdx61_config' config structure.
The EDL firmware for this modem has been pushed to linux-firmware.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
[mani: reworded description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20251119105615.48295-2-slark_xiao@163.com
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Several drivers can benefit from registering per-instance data along
with the syscore operations. To achieve this, move the modifiable fields
out of the syscore_ops structure and into a separate struct syscore that
can be registered with the framework. Add a void * driver data field for
drivers to store contextual data that will be passed to the syscore ops.
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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RIFSC configuration can be difficult to debug. Add a debugfs entry
that dumps the configuration of the RISUPs, the RISALs and the RIMUs.
This will allow to display the whole RIFSC firewall configuration at
runtime.
While there, fix a bug on the computation of firewall entries in the
probe function.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Link: https://lore.kernel.org/r/20251106-rifsc_debugfs-v2-3-f90e94ae756d@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistency cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:
commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
This change adds a new WQ_PERCPU flag to explicitly request
alloc_workqueue() to be per-cpu when WQ_UNBOUND has not been specified.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20251106162430.328701-1-marco.crivellari@suse.com
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am33xx.dtsi has the same clock setup as am35xx.dtsi, setting
ti,no-reset-on-init and ti,no-idle on timer1_target and timer2_target,
so AM33 needs the same workaround as AM35 to avoid ti-sysc probe
failing on certain target modules.
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20250825131114.2206804-1-alexander.stein@ew.tq-group.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251027133359.392984-1-sakari.ailus@linux.intel.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
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This old alias for in_hardirq() has been marked as deprecated since
2020; remove the stragglers.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251024180654.1691095-1-willy@infradead.org
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Add SDX72 based modem Telit FE990B40, reusing FN920C04 configuration.
01:00.0 Unassigned class [ff00]: Qualcomm Device 0309
Subsystem: Device 1c5d:2025
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20251015102059.1781001-1-dnlplm@gmail.com
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Because driver core can properly handle constant struct bus_type, move the
mhi_ep_bus_type to be a constant structure as well, placing it into
read-only memory which can not be modified at runtime.
Signed-off-by: Adrian Barnaś <abarnas@google.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20250919074408.868220-1-abarnas@google.com
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc/IIO/Binder updates from Greg KH:
"Here is the big set of char/misc/iio and other driver subsystem
changes for 6.18-rc1.
Loads of different stuff in here, it was a busy development cycle in
lots of different subsystems, with over 27k new lines added to the
tree.
Included in here are:
- IIO updates including new drivers, reworking of existing apis, and
other goodness in the sensor subsystems
- MEI driver updates and additions
- NVMEM driver updates
- slimbus removal for an unused driver and some other minor updates
- coresight driver updates and additions
- MHI driver updates
- comedi driver updates and fixes
- extcon driver updates
- interconnect driver additions
- eeprom driver updates and fixes
- minor UIO driver updates
- tiny W1 driver updates
But the majority of new code is in the rust bindings and additions,
which includes:
- misc driver rust binding updates for read/write support, we can now
write "normal" misc drivers in rust fully, and the sample driver
shows how this can be done.
- Initial framework for USB driver rust bindings, which are disabled
for now in the build, due to limited support, but coming in through
this tree due to dependencies on other rust binding changes that
were in here. I'll be enabling these back on in the build in the
usb.git tree after -rc1 is out so that developers can continue to
work on these in linux-next over the next development cycle.
- Android Binder driver implemented in Rust.
This is the big one, and was driving a huge majority of the rust
binding work over the past years. Right now there are two binder
drivers in the kernel, selected only at build time as to which one
to use as binder wants to be included in the system at boot time.
The binder C maintainers all agreed on this, as eventually, they
want the C code to be removed from the tree, but it will take a few
releases to get there while both are maintained to ensure that the
rust implementation is fully stable and compliant with the existing
userspace apis.
All of these have been in linux-next for a while"
* tag 'char-misc-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (320 commits)
rust: usb: keep usb::Device private for now
rust: usb: don't retain device context for the interface parent
USB: disable rust bindings from the build for now
samples: rust: add a USB driver sample
rust: usb: add basic USB abstractions
coresight: Add label sysfs node support
dt-bindings: arm: Add label in the coresight components
coresight: tnoc: add new AMBA ID to support Trace Noc V2
coresight: Fix incorrect handling for return value of devm_kzalloc
coresight: tpda: fix the logic to setup the element size
coresight: trbe: Return NULL pointer for allocation failures
coresight: Refactor runtime PM
coresight: Make clock sequence consistent
coresight: Refactor driver data allocation
coresight: Consolidate clock enabling
coresight: Avoid enable programming clock duplicately
coresight: Appropriately disable trace bus clocks
coresight: Appropriately disable programming clocks
coresight: etm4x: Support atclk
coresight: catu: Support atclk
...
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VFs in devices like QDU100 are capable of accessing host memory up to 40
bits, compared to 32 bits used by PFs and other non-SR-IOV capable MHI
devices.
To support this, configure `dma_mask` independently for PFs and VFs, by
introducing a new 'vf_dma_data_width' member in 'mhi_pci_dev_info' struct
and set it to 40 for QDU100.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-6-fa2f6ccd301b@quicinc.com
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Allow mhi_sync_power_up to handle SYS_ERR during power-up, reboot,
or recovery. This is to avoid premature exit when MHI_PM_IN_ERROR_STATE is
observed during above mentioned system states.
To achieve this, treat SYS_ERR as a valid state and let its handler process
the error and queue the next transition to Mission Mode instead of aborting
early.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
[mani: reworded description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-5-fa2f6ccd301b@quicinc.com
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So, When the MHI driver is removed from the host side, it is essential to
ensure a clean and stable recovery of the device. This commit introduces
the following steps to achieve that:
1. Disable SR-IOV for any SR-IOV-enabled devices on the Physical Function.
2. Perform a SOC_RESET on the PF to fully reset the device.
Disabling SR-IOV ensures all Virtual Functions (VFs) are properly shutdown,
preventing issues during the reset process. The SOC_RESET guarantees that
the PF is restored to a known good state.
If soc_reset is not performed device at driver remove, device will be
stuck in mission mode state and subsequent driver insert/power_up will not
proceed further.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
[mani: reworded subject]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-4-fa2f6ccd301b@quicinc.com
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pci_sriov_configure_simple() will enable or disable SR-IOV for devices
that don't require any specific PF setup before enabling SR-IOV.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-3-fa2f6ccd301b@quicinc.com
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In SR-IOV enabled devices, reading the VF DEVICE/VENDOR ID register
returns `FFFFh`, as specified in section 3.4.1.1 of the PCIe SR-IOV spec.
To accurately determine device activity, read the PCIe VENDOR_ID of
the Physical Function (PF) instead.
Health check monitoring for Virtual Functions (VFs) has been disabled,
since VFs are not physical functions and lack direct hardware control.
This change prevents unnecessary CPU cycles from being consumed by VF
health checks, which are both unintended and non-functional.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-2-fa2f6ccd301b@quicinc.com
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Implement support for separate controller configurations for both
Virtual Functions (VF) and Physical Functions (PF).
This enhancement allows for more flexible and efficient management of
resources. The PF takes on a supervisory role and will have bootup
information such as SAHARA, DIAG, and NDB (for file system sync data,
etc.). VFs can handle resources associated with the main data movement
of the Function are available to the SI (system image) as per PCIe SRIOV
spec (rev 0.9 1.Architectural overview)
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-uevent_vdev_next-20250911-v4-1-fa2f6ccd301b@quicinc.com
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The mhi_ep_read_channel function incorrectly assumes the End of Transfer
(EOT) bit is present for each packet in a chained transactions, causing
it to advance mhi_chan->rd_offset beyond wr_offset during host-to-device
transfers when EOT has not yet arrived. This leads to access of unmapped
host memory, causing IOMMU faults and processing of stale TREs.
Modify the loop condition to ensure mhi_queue is not empty, allowing the
function to process only valid TREs up to the current write pointer to
prevent premature reads and ensure safe traversal of chained TREs.
Due to this change, buf_left needs to be removed from the while loop
condition to avoid exiting prematurely before reading the ring completely,
and also remove write_offset since it will always be zero because the new
cache buffer is allocated every time.
Fixes: 5301258899773 ("bus: mhi: ep: Add support for reading from the host")
Co-developed-by: Akhil Vinod <akhil.vinod@oss.qualcomm.com>
Signed-off-by: Akhil Vinod <akhil.vinod@oss.qualcomm.com>
Signed-off-by: Sumit Kumar <sumit.kumar@oss.qualcomm.com>
[mani: reworded description slightly]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250910-final_chained-v3-1-ec77c9d88ace@oss.qualcomm.com
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Notify the MHI device's Execution Environment (EE) state via uevent,
enabling applications to receive real-time updates and take appropriate
actions based on the current state of MHI.
Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
[mani: Reworded subject, removed error print, fixed indentation]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250912-b4-uevent_vdev_next-20250911-v2-1-89440407bf7e@quicinc.com
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In mhi_init_irq_setup, the device pointer used for dev_err() was not
initialized. Use the pointer from mhi_cntrl instead.
Fixes: b0fc0167f254 ("bus: mhi: core: Allow shared IRQ for event rings")
Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations")
Signed-off-by: Adam Xue <zxue@semtech.com>
[mani: reworded subject/description and CCed stable]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250905174118.38512-1-zxue@semtech.com
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Since there are too many variants available for Foxconn T99W696 modem, and
they all share the same configuration, use PCI_ANY_ID as the subsystem
device ID to match each possible SKUs and support all of them.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
[mani: reworded subject/description and dropped the fixes tag]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20250819020013.122162-1-slark_xiao@163.com
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functions
Use sysfs_emit() instead of snprintf()/sprintf() when writing
to sysfs buffers, as recommended by the kernel documentation.
Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Acked-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20250822124339.1739290-1-chelsyratnawat2001@gmail.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
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platform_get_resource() returns NULL in case of failure, so check its
return value and propagate the error in order to prevent NULL pointer
dereference.
Fixes: 6305166c8771 ("bus: fsl-mc: Add ACPI support for fsl-mc")
Cc: stable@vger.kernel.org
Signed-off-by: Salah Triki <salah.triki@gmail.com>
Acked-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/aKwuK6TRr5XNYQ8u@pc
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
|
