linux/drivers/ata, branch v3.12

Merge branch 'for-3.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

2013-10-22T07:21:34Z

Pull libata fixes from Tejun Heo: "The only interesting bit is ata_eh_qc_retry() update which fixes a problem where a SG_IO command may fail across suspend/resume cycle without the command actually being at fault. Other changes are low level driver specific and fairly low impact" * 'for-3.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libahci: fix turning on LEDs in ahci_start_port() libata: make ata_eh_qc_retry() bump scmd->allowed on bogus failures ahci_platform: use dev_info() instead of printk() ahci: use dev_info() instead of printk() pata_isapnp: Don't use invalid I/O ports

ATA / ACPI: remove power dependent device handling

2013-10-17T13:38:53Z

Previously, we wanted SCSI devices corrsponding to ATA devices to be runtime resumed when the power resource for those ATA device was turned on by some other device, so we added the SCSI device to the dependent device list of the ATA device's ACPI node. However, this code has no effect after commit 41863fc (ACPI / power: Drop automaitc resume of power resource dependent devices) and the mechanism it was supposed to implement is regarded as a bad idea now, so drop it. [rjw: Changelog] Signed-off-by: Aaron Lu Signed-off-by: Rafael J. Wysocki

libahci: fix turning on LEDs in ahci_start_port()

2013-10-15T13:39:57Z

If EM Transmit bit is busy during init ata_msleep() is called. It is wrong - msleep() should be used instead of ata_msleep(), because if EM Transmit bit is busy for one port, it will be busy for all other ports too, so using ata_msleep() causes wasting tries for another ports. The most common scenario looks like that now (six ports try to transmit a LED meaasege): - port #0 tries for the 1st time and succeeds - ports #1-5 try for the 1st time and sleeps - port #1 tries for the 2nd time and succeeds - ports #2-5 try for the 2nd time and sleeps - port #2 tries for the 3rd time and succeeds - ports #3-5 try for the 3rd time and sleeps - port #3 tries for the 4th time and succeeds - ports #4-5 try for the 4th time and sleeps - port #4 tries for the 5th time and succeeds - port #5 tries for the 5th time and sleeps At this moment port #5 wasted all its five tries and failed to initialize. Because there are only 5 (EM_MAX_RETRY) tries available usually only five ports succeed to initialize. The sixth port and next ones usually will fail. If msleep() is used instead of ata_msleep() the first port succeeds to initialize in the first try and next ones usually succeed to initialize in the second try. tj: updated comment Signed-off-by: Lukasz Dorau Signed-off-by: Tejun Heo

libata: make ata_eh_qc_retry() bump scmd->allowed on bogus failures

2013-10-07T19:18:25Z

libata EH decrements scmd->retries when the command failed for reasons unrelated to the command itself so that, for example, commands aborted due to suspend / resume cycle don't get penalized; however, decrementing scmd->retries isn't enough for ATA passthrough commands. Without this fix, ATA passthrough commands are not resend to the drive, and no error is signalled to the caller because: - allowed retry count is 1 - ata_eh_qc_complete fill the sense data, so result is valid - sense data is filled with untouched ATA registers. Signed-off-by: Gwendal Grignou Signed-off-by: Tejun Heo Cc: stable@vger.kernel.org

ahci_platform: use dev_info() instead of printk()

2013-10-07T19:17:39Z

Change "raw" printk() call to dev_info() to provide a better message to userspace so it can properly identify the device and not just have to guess. Signed-off-by: Jingoo Han Signed-off-by: Tejun Heo

ahci: use dev_info() instead of printk()

2013-10-07T19:17:36Z

Change "raw" printk() call to dev_info() to provide a better message to userspace so it can properly identify the device and not just have to guess. Signed-off-by: Jingoo Han Signed-off-by: Tejun Heo

pata_isapnp: Don't use invalid I/O ports

2013-10-07T19:17:32Z

The test for 2nd I/O port validity is broken (reversed): On devices with no control port, the driver attempts to use invalid port 0, resulting in logs full of bad_io_access errors. On devices with control port, the driver does not use it. Signed-off-by: Ondrej Zary Signed-off-by: Tejun Heo

update contact information for Mikael Pettersson

2013-09-25T20:27:42Z

My old @it.uu.se email address is going away, so update relevant files to point to my @gmail.com address instead. In sata_promise.c just delete the address, people can get it from MAINTAINERS. Signed-off-by: Mikael Pettersson Signed-off-by: Linus Torvalds

Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

2013-09-04T01:19:53Z

Pull libata changes from Tejun Heo: "Two interesting changes. - libata acpi handling has been restructured so that the association between ata devices and ACPI handles are less convoluted. This change shouldn't change visible behavior. - Queued TRIM support, which enables sending TRIM to the device without draining in-flight RW commands, is added. Currently only enabled for ahci (and likely to stay that way for the foreseeable future). Other changes are driver-specific updates / fixes" * 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata: bugfix: Remove __le32 in ata_tf_to_fis() libata: acpi: Remove ata_dev_acpi_handle stub in libata.h libata: Add support for queued DSM TRIM libata: Add support for SEND/RECEIVE FPDMA QUEUED libata: Add H2D FIS "auxiliary" port flag libata: Populate host-to-device FIS "auxiliary" field ata: acpi: rework the ata acpi bind support sata, highbank: send extra clock cycles in SGPIO patterns sata, highbank: set tx_atten override bits devicetree: create a separate binding description for sata_highbank drivers/ata/sata_rcar.c: simplify use of devm_ioremap_resource sata highbank: enable 64-bit DMA mask when using LPAE ata: pata_samsung_cf: add missing __iomem annotation ata: pata_arasan: Staticize local symbols sata_mv: Remove unneeded CONFIG_HAVE_CLK ifdefs ata: use dev_get_platdata() sata_mv: Remove unneeded forward declaration libata: acpi: remove dead code for ata_acpi_(un)bind libata: move 'struct ata_taskfile' and friends from ata.h to libata.h

libata: bugfix: Remove __le32 in ata_tf_to_fis()

2013-09-03T14:37:41Z

The endianness attribute on the 'aux' local variable is wrong, and can lead to wrong endianness on big-endian machines, Signed-off-by: Marc Carino Signed-off-by: Tejun Heo