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devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These are cleanups and smaller changes that either depend on earlier
feature branches or came in late during the development cycle. We
normally try to get all cleanups early, so these are the exceptions:
- A follow-up on the clocksource reworks, hopefully the last time we
need to merge clocksource subsystem changes through arm-soc.
A first set of patches was part of the original 3.10 arm-soc
cleanup series because of interdependencies with timer drivers now
moved out of arch/arm.
- Migrating the SPEAr13xx platform away from using auxdata for DMA
channel descriptions towards using information in device tree,
based on the earlier SPEAr multiplatform series
- A few follow-ups on the Atmel SAMA5 support and other changes for
Atmel at91 based on the larger at91 reworks.
- Moving the armada irqchip implementation to drivers/irqchip
- Several OMAP cleanups following up on the larger series already
merged in 3.10."
* tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
ARM: OMAP4: change the device names in usb_bind_phy
ARM: OMAP2+: Fix mismerge for timer.c between ff931c82 and da4a686a
ARM: SPEAr: conditionalize SMP code
ARM: arch_timer: Silence debug preempt warnings
ARM: OMAP: remove unused variable
serial: amba-pl011: fix !CONFIG_DMA_ENGINE case
ata: arasan: remove the need for platform_data
ARM: at91/sama5d34ek.dts: remove not needed compatibility string
ARM: at91: dts: add MCI DMA support
ARM: at91: dts: add i2c dma support
ARM: at91: dts: set #dma-cells to the correct value
ARM: at91: suspend both memory controllers on at91sam9263
irqchip: armada-370-xp: slightly cleanup irq controller driver
irqchip: armada-370-xp: move IRQ handler to avoid forward declaration
irqchip: move IRQ driver for Armada 370/XP
ARM: mvebu: move L2 cache initialization in init_early()
devtree: add binding documentation for sp804
ARM: integrator-cp: convert use CLKSRC_OF for timer init
ARM: versatile: use OF init for sp804 timer
ARM: versatile: add versatile dtbs to dtbs target
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This is a series originally prepared for inclusion in 3.9, which did
not work out because of dependencies on the dmaengine driver. All the
changes for the dmaengine code are merged in 3.9 now, so we can finally
do the switchover and remove the now unnecessary dma definitions for
spear13xx from the platform code.
The dma platform_data actually made up the majority of the spear13xx
platform code overall, so moving that into device tree files makes the
code substantially smaller.
* spear/dwdma:
ata: arasan: remove the need for platform_data
ARM: SPEAr13xx: Pass generic DW DMAC platform data from DT
serial: pl011: use generic DMA slave configuration if possible
spi: pl022: use generic DMA slave configuration if possible
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This adds a complete DT binding for the arasan device driver. There is
currently only one user, which is the spear13xx platform, so we don't
actually have to parse all the properties until another user comes in,
but this does use the generic DMA binding to find the DMA channel.
The patch is untested so far and is part of a series to convert
the spear platform over to use the generic DMA binding, so it
should stay with the rest of the series.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.linux@linaro.org>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Jeff Garzik <jgarzik@redhat.com>
Cc: devicetree-discuss@lists.ozlabs.org
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS updates from Al Viro,
Misc cleanups all over the place, mainly wrt /proc interfaces (switch
create_proc_entry to proc_create(), get rid of the deprecated
create_proc_read_entry() in favor of using proc_create_data() and
seq_file etc).
7kloc removed.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (204 commits)
don't bother with deferred freeing of fdtables
proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h
proc: Make the PROC_I() and PDE() macros internal to procfs
proc: Supply a function to remove a proc entry by PDE
take cgroup_open() and cpuset_open() to fs/proc/base.c
ppc: Clean up scanlog
ppc: Clean up rtas_flash driver somewhat
hostap: proc: Use remove_proc_subtree()
drm: proc: Use remove_proc_subtree()
drm: proc: Use minor->index to label things, not PDE->name
drm: Constify drm_proc_list[]
zoran: Don't print proc_dir_entry data in debug
reiserfs: Don't access the proc_dir_entry in r_open(), r_start() r_show()
proc: Supply an accessor for getting the data from a PDE's parent
airo: Use remove_proc_subtree()
rtl8192u: Don't need to save device proc dir PDE
rtl8187se: Use a dir under /proc/net/r8180/
proc: Add proc_mkdir_data()
proc: Move some bits from linux/proc_fs.h to linux/{of.h,signal.h,tty.h}
proc: Move PDE_NET() to fs/proc/proc_net.c
...
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata update from Jeff Garzik:
- More ACPI fixes, cleanups
- Minor cleanups for sata_highbank, pata_at32, pata_octeon_cf,
sata_rcar
- pata_legacy: small bug found in opti chipset code (untested fix, due
to ancient h/w)
- sata_fsl: RX water mark config knob, some h/w needs it
- pata_imx: cleanups, DeviceTree support
- SCSI<->ATA translator: properly export translator version, not device
firmware version
* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
sata_highbank: Rename proc_name to the module name
ACPI/libata: Restore libata.noacpi support
[libata] acpi: make ata_ap_acpi_handle not block
[libata] SCSI: really use SATL version in VPD
pata_imx: add devicetree support
pata_imx: use void __iomem * for regs
pata_imx: cleanup error path
pata_imx: Use devm_clk_get
sata_rcar: Convert to devm_ioremap_resource()
fsl/sata: create a sysfs entry for rx water mark
libata-acpi: remove redundent code for power resource handling
sata_highbank: make ahci_highbank_pm_ops static
pata_octeon_cf: Use resource_size function
pata_legacy: bogus clock in opti82c46x_set_piomode()
pata_at32: use module_platform_driver_probe()
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mkinitrd looks at /sys/class/scsi_host/host$hostnum/proc_name to find
the module name of a disk driver. Current name is "highbank-ahci" but
the module is "sata_highbank". Rename it to match the module name.
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: <stable@vger.kernel.org> v3.7..
Signed-off-by: Robert Richter <robert.richter@calxeda.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch restores libata.noacpi support to libata-acpi.c.
There are broken optional control methods for ATA controller devices in the
real world. The libata.noacpi has been used for a long time as a
workaround to deal with issues caused by the broken ASL codes.
1. The "noacpi" option is introduced by the following commit:
commit 11ef697b37e3c85ce1ac21f7711babf1f5b12784
Date: Thu, 28 Sep 2006 11:29:01 -0700
Subject: libata: ACPI and _GTF support
2. The "noacpi" option is renamed to "libata_noacpi" by the following
commit:
commit d7d0dad62a641c156386288a747c1a2f6bb2e42d
Date: Wed, 28 Mar 2007 01:57:37 -0400
Subject: [libata] Disable ACPI by default; fix namespace problems
3. Some of its logics are changed over time - becomes relying on the
"acpi_handle" bound to the ATA devices since this commit:
commit fafbae87db88a73b166d3bc3294d209207f27056
Date: Tue, 15 May 2007 03:28:16 +0900
Subject: libata-acpi: implement ata_acpi_associate()
4. The option is deleted by the following commit:
commit 30dcf76acc695cbd2fa919e294670fe9552e16e7
Date: Mon, 25 Jun 2012 16:13:04 +0800
Subject: libata: migrate ACPI code over to new bindings
But the libata.noacpi setup is still left in the kernel without codes to
implement it. So the deletion introduces a regression to the Linux.
This patch disables ATA_ACPI support at runtime by stopping acpi binding
on the ATA devices to fix this regression.
This patch is tested by booting a SATA x86-64 kernel or a PATA x86 kernel
with or without "libata.noacpi=1" kernel command line argument.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Since commit 30dcf76acc, ata_ap_acpi_handle will always do a namespace
walk, which requires acquiring an acpi namespace mutex. This made it
impossible to be used when calling path has held a spinlock.
For example, it can occur in the following code path for pata_acpi:
ata_scsi_queuecmd (ap->lock is acquired)
__ata_scsi_queuecmd
ata_scsi_translate
ata_qc_issue
pacpi_qc_issue
ata_acpi_stm
ata_ap_acpi_handle
acpi_get_child
acpi_walk_namespace
acpi_ut_acquire_mutex (acquire mutex while holding lock)
This caused scheduling while atomic bug, as reported in bug #56781.
Actually, ata_ap_acpi_handle doesn't have to walk the namespace every
time it is called, it can simply return the bound acpi handle on the
corresponding SCSI host. The reason previously it is not done this way
is, ata_ap_acpi_handle is used in the binding function
ata_acpi_bind_host by ata_acpi_gtm when the handle is not bound to the
SCSI host yet. Since we already have the ATA port's handle in its
binding function, we can simply use it instead of calling
ata_ap_acpi_handle there. So introduce a new function __ata_acpi_gtm,
where it will receive an acpi handle param in addition to the ATA port
which is solely used for debug statement. With this change, we can make
ata_ap_acpi_handle simply return the bound handle for SCSI host instead
of walking the acpi namespace now.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=56781
Reported-and-tested-by: <kenzopl@o2.pl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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As per c78968bb by Jeff Garzik ([libata] SCSI: simulator version, not device
version, belongs in VPD) We need to provide the SATL driver version and not the
disk firmware version but the code overwrites the driver version with the disk
version.
Signed-off-by: Baruch Even <baruch@ev-en.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Not much to do here, only the compatible entries have to be added.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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regs is returned from ioremap, so add a __iomem. Also, make it
void * instead of u8 *.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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- rename free_priv label to 'err' since priv is allocated with devm_*
and not freed here.
- add missing 'goto err' in case ata_host_activate fails
- add 'ret' variable to return correct error value instead of hardcoded
-ENOMEM in error case.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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To make the error path a bit simpler.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Support config RX WATER MARK via sysfs when running at run-time;
A wrokaround for fix the exception happened to some WD HDD, found on
WD3000HLFS-01G6U1, WD3000HLFS-01G6U0, some SSD disks. The read performance
is also regression (about 30%) when use default value.
According to the latest documents, 0x10 is the default value of RX WATER MARK,
but exception/performance issue happened to some disks mentioned above.
The exception log as below when testing read performance with IOZone:
ata1.00: exception Emask 0x0 SAct 0x7 SErr 0x800000 action 0x6 frozen
ata1: SError: { LinkSeq }
ata1.00: failed command: READ FPDMA QUEUED
ata1.00: cmd 60/00:00:ff:2c:14/01:00:02:00:00/40 tag 0 ncq 131072 in
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1.00: failed command: READ FPDMA QUEUED
ata1.00: cmd 60/00:08:ff:2d:14/01:00:02:00:00/40 tag 1 ncq 131072 in
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1.00: failed command: WRITE FPDMA QUEUED
ata1.00: cmd 61/10:10:af:08:6e/00:00:12:00:00/40 tag 2 ncq 8192 out
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1: hard resetting link
ata1: Hardreset failed, not off-lined 0
ata1: Signature Update detected @ 504 msecs
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: configured for UDMA/133
ata1.00: device reported invalid CHS sector 0
ata1.00: device reported invalid CHS sector 0
ata1.00: device reported invalid CHS sector 0
ata1: EH complete
The exception/performance can be resolved when RX WATER MARK value is 0x16.
Signed-off-by: Qiang Liu <qiang.liu@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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With commit:
bc9b6407bd6df3ab7189e5622816bbc11ae9d2d8
ACPI / PM: Rework the handling of devices depending on power resources
The ACPI core now takes care of the power resources an acpi device
depends on in that when the power resources are turned on, any devices
that are bound to or in the dependent list of this acpi device will be
runtime resumed. So there is no need for ata acpi code to duplicate this
effort, and thus, the ata_acpi_(un)register_power_resource functions are
no longer needed.
The above commit thinks the scsi device is not bound to the acpi device,
so needs to be added to the dependent list. But actually, it is. So
there is no need to add it to the dependent list, or it will be runtime
resumed twice(though this wouldn't cause any problem).
This patch fixes it, and as a result, the
ata_acpi_(un)register_power_resource and ata_acpi_(un)bind functions
are removed.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Make ahci_highbank_pm_ops static because ahci_highbank_pm_ops is
not exported.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use resource_size function instead of explicit computation.
Patch found using coccinelle.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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"sysclk" is used as an index into a 4 element array. My static
checker complains because it can be out of bounds. From the
context, it looks like there is a right bit shift missing.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"Usual stuff, mostly comment fixes, typo fixes, printk fixes and small
code cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (45 commits)
mm: Convert print_symbol to %pSR
gfs2: Convert print_symbol to %pSR
m32r: Convert print_symbol to %pSR
iostats.txt: add easy-to-find description for field 6
x86 cmpxchg.h: fix wrong comment
treewide: Fix typo in printk and comments
doc: devicetree: Fix various typos
docbook: fix 8250 naming in device-drivers
pata_pdc2027x: Fix compiler warning
treewide: Fix typo in printks
mei: Fix comments in drivers/misc/mei
treewide: Fix typos in kernel messages
pm44xx: Fix comment for "CONFIG_CPU_IDLE"
doc: Fix typo "CONFIG_CGROUP_CGROUP_MEMCG_SWAP"
mmzone: correct "pags" to "pages" in comment.
kernel-parameters: remove outdated 'noresidual' parameter
Remove spurious _H suffixes from ifdef comments
sound: Remove stray pluses from Kconfig file
radio-shark: Fix printk "CONFIG_LED_CLASS"
doc: put proper reference to CONFIG_MODULE_SIG_ENFORCE
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Fix the follwing warnings:
linux/drivers/ata/pata_pdc2027x.c:66: warning: 'pdc2027x_reinit_one' declared 'static' but never defined
pdc2027x_reinit_one are defined only when CONFIG_PM is defined,
thus making it conditional.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Correct spelling typo in various drivers.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver update from Greg Kroah-Hartman:
"Here's the big char / misc driver update for 3.10-rc1
A number of various driver updates, the majority being new
functionality in the MEI driver subsystem (it's now a subsystem, it
started out just a single driver), extcon updates, memory updates,
hyper-v updates, and a bunch of other small stuff that doesn't fit in
any other tree.
All of these have been in linux-next for a while"
* tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits)
Tools: hv: Fix a checkpatch warning
tools: hv: skip iso9660 mounts in hv_vss_daemon
tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon
tools: hv: use getmntent in hv_vss_daemon
Tools: hv: Fix a checkpatch warning
tools: hv: fix checks for origin of netlink message in hv_vss_daemon
Tools: hv: fix warnings in hv_vss_daemon
misc: mark spear13xx-pcie-gadget as broken
mei: fix krealloc() misuse in in mei_cl_irq_read_msg()
mei: reduce flow control only for completed messages
mei: reseting -> resetting
mei: fix reading large reposnes
mei: revamp mei_irq_read_client_message function
mei: revamp mei_amthif_irq_read_message
mei: revamp hbm state machine
Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"
Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes"
scsi: pcmcia: nsp_cs: remove module init/exit function prototypes
mei: wd: fix line over 80 characters
misc: tsl2550: Use dev_pm_ops
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We want the fixes in there.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into char-misc-next
Mark writes:
ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs
This patch series covers both ASoC and extcon subsystems and fixes an
interaction between the HPDET function and the headphone outputs - we
really shouldn't run HPDET while the headphone is active. The first
patch is a refactoring to make the extcon side easier.
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Use the new module_pcmcia_driver() macro to remove the boilerplate
module init/exit code in the pcmcia drivers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for the v3.10 merge window:
PCI device hotplug
- Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
- Make acpiphp builtin only, not modular (Jiang Liu)
- Add acpiphp mutual exclusion (Jiang Liu)
Power management
- Skip "PME enabled/disabled" messages when not supported (Rafael
Wysocki)
- Fix fallback to PCI_D0 (Rafael Wysocki)
Miscellaneous
- Factor quirk_io_region (Yinghai Lu)
- Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
- Clean up EISA resource initialization and logging (Bjorn Helgaas)
- Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
- MIPS: Initialize of_node before scanning bus (Gabor Juhos)
- Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor
Juhos)
- Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
- Fix aer_inject return values (Prarit Bhargava)
- Remove PME/ACPI dependency (Andrew Murray)
- Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)"
* tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
vfio-pci: Use cached MSI/MSI-X capabilities
vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Remove "extern" from function declarations
PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
PCI: Use msix_table_size() directly, drop multi_msix_capable()
PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
PCI: Drop is_64bit_address() and is_mask_bit_support() macros
PCI: Drop msi_data_reg() macro
PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
PCI: Clean up MSI/MSI-X capability #defines
PCI: Use cached MSI-X cap while enabling MSI-X
PCI: Use cached MSI cap while enabling MSI interrupts
PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
PCI: Use u8, not int, for PM capability offset
[SCSI] megaraid_sas: Use correct #define for MSI-X capability
PCI: Remove "extern" from function declarations
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With the 0x1b4b vendor ID #define in place, convert hard-coded ID
values.
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
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On Mon, Mar 25, 2013 at 06:26:50PM +0100, Ronald wrote:
> In reply to [1]: I have the same issue. Git bisect took 50+ rebuilds xD
>
> Smartd does not work anymore since 84a9a8cd9 ([libata] Set proper SK
> when CK_COND is set.).
> [1] http://www.spinics.net/lists/linux-ide/msg45268.html
It seems that the SAM_STAT_CHECK_CONDITION is not cleared
causing -EIO, because that patch modified sensebuf and
the check for clearing SAM_STAT_CHECK_CONDITION is no longer valid.
Fix that.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Commit 803739d25c2343da6d2f95eebdcbc08bf67097d4 ("[libata] replace
sata_settings with devslp_timing"), which was also Cc: stable, used a
stack buffer to receive data from ata_read_log_page(), which triggers
the following warning:
ahci 0000:00:1f.2: DMA-API: device driver maps memory fromstack [addr=ffff880140469948]
Fix this by using ap->sector_buf instead of a stack buffer.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d
"ata_piix: make DVD Drive recognisable on systems with Intel Sandybridge
chipsets(v2)" fixing the 4 ports IDE controller 32bit PIO mode.
We've hit a problem with DVD not recognized on Haswell Desktop platform which
includes Lynx Point 2-port SATA controller.
This quirk patch disables 32bit PIO on this controller in IDE mode.
v2: Change spelling error in statememnt pointed by Sergei Shtylyov.
v3: Change comment statememnt and spliting line over 80 characters pointed by
Libor Pechacek and also rebase the patch against 3.8-rc7 kernel.
Tested-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The Slimtype DVD A DS8A8SH drive locks up when max sector is smaller than
65535, and the blow backtrace is observed on locking up:
INFO: task flush-8:32:1130 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
flush-8:32 D ffffffff8180cf60 0 1130 2 0x00000000
ffff880273aef618 0000000000000046 0000000000000005 ffff880273aee000
ffff880273aee000 ffff880273aeffd8 ffff880273aee010 ffff880273aee000
ffff880273aeffd8 ffff880273aee000 ffff88026e842ea0 ffff880274a10000
Call Trace:
[<ffffffff8168fc2d>] schedule+0x5d/0x70
[<ffffffff8168fccc>] io_schedule+0x8c/0xd0
[<ffffffff81324461>] get_request+0x731/0x7d0
[<ffffffff8133dc60>] ? cfq_allow_merge+0x50/0x90
[<ffffffff81083aa0>] ? wake_up_bit+0x40/0x40
[<ffffffff81320443>] ? bio_attempt_back_merge+0x33/0x110
[<ffffffff813248ea>] blk_queue_bio+0x23a/0x3f0
[<ffffffff81322176>] generic_make_request+0xc6/0x120
[<ffffffff81322308>] submit_bio+0x138/0x160
[<ffffffff811d7596>] ? bio_alloc_bioset+0x96/0x120
[<ffffffff811d1f61>] submit_bh+0x1f1/0x220
[<ffffffff811d48b8>] __block_write_full_page+0x228/0x340
[<ffffffff811d3650>] ? attach_nobh_buffers+0xc0/0xc0
[<ffffffff811d8960>] ? I_BDEV+0x10/0x10
[<ffffffff811d8960>] ? I_BDEV+0x10/0x10
[<ffffffff811d4ab6>] block_write_full_page_endio+0xe6/0x100
[<ffffffff811d4ae5>] block_write_full_page+0x15/0x20
[<ffffffff811d9268>] blkdev_writepage+0x18/0x20
[<ffffffff81142527>] __writepage+0x17/0x40
[<ffffffff811438ba>] write_cache_pages+0x34a/0x4a0
[<ffffffff81142510>] ? set_page_dirty+0x70/0x70
[<ffffffff81143a61>] generic_writepages+0x51/0x80
[<ffffffff81143ab0>] do_writepages+0x20/0x50
[<ffffffff811c9ed6>] __writeback_single_inode+0xa6/0x2b0
[<ffffffff811ca861>] writeback_sb_inodes+0x311/0x4d0
[<ffffffff811caaa6>] __writeback_inodes_wb+0x86/0xd0
[<ffffffff811cad43>] wb_writeback+0x1a3/0x330
[<ffffffff816916cf>] ? _raw_spin_lock_irqsave+0x3f/0x50
[<ffffffff811b8362>] ? get_nr_inodes+0x52/0x70
[<ffffffff811cb0ac>] wb_do_writeback+0x1dc/0x260
[<ffffffff8168dd34>] ? schedule_timeout+0x204/0x240
[<ffffffff811cb232>] bdi_writeback_thread+0x102/0x2b0
[<ffffffff811cb130>] ? wb_do_writeback+0x260/0x260
[<ffffffff81083550>] kthread+0xc0/0xd0
[<ffffffff81083490>] ? kthread_worker_fn+0x1b0/0x1b0
[<ffffffff8169a3ec>] ret_from_fork+0x7c/0xb0
[<ffffffff81083490>] ? kthread_worker_fn+0x1b0/0x1b0
The above trace was triggered by
"dd if=/dev/zero of=/dev/sr0 bs=2048 count=32768"
It was previously working by accident, since another bug introduced
by 4dce8ba94c7 (libata: Use 'bool' return value for ata_id_XXX) caused
all drives to use maxsect=65535.
Cc: stable@vger.kernel.org
Signed-off-by: Shan Hai <shan.hai@windriver.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata updates from Jeff Garzik:
"Simple stuff. See one-line summaries."
* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_samsung_cf: use module_platform_driver_probe()
[libata] Avoid specialized TLA's in ZPODD's Kconfig
libata-acpi.c: fix copy and paste mistake in ata_acpi_register_power_resource
sata_fsl: Remove redundant NULL check before kfree
ahci: Add Device IDs for Intel Wellsburg PCH
ata_piix: Add MODULE_PARM_DESC to prefer_ms_hyperv
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This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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ODD is not a common TLA for non-ATA people so they will get confused
by its meaning when they are configuring the kernel. This patch fixed
this problem by using ODD only after stating what it is.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Fix a copy and paste mistake introduced in:
commit bc9b6407bd6df3ab7189e5622816bbc11ae9d2d8
"ACPI / PM: Rework the handling of devices depending on power resources"
Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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kfree on NULL pointer is a no-op.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch adds the RAID-mode SATA Device IDs for the Intel Wellsburg PCH
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In reference to the commit cd006086fa5d91414d8ff9ff2b78fbb593878e3c
"ata_piix: defer disks to the Hyper-V drivers by default",
this trivial patch adds a description to prefer_ms_hyperv.
[rvrbovsk@redhat.com: MODULE_PARM_DESC() string formatting modified]
Signed-off-by: Andrew Brownfield <abrownfi@redhat.com>
Signed-off-by: Radomir Vrbovsky <rvrbovsk@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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After PCI and USB have stopped using the .find_bridge() callback in
struct acpi_bus_type, the only remaining user of it is SATA, but SATA
only pretends to be a user, because it points that callback to a stub
always returning -ENODEV.
For this reason, drop the SATA's dummy .find_bridge() callback and
remove .find_bridge(), which is not used any more, from struct
acpi_bus_type entirely.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
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USB uses the .find_bridge() callback from struct acpi_bus_type
incorrectly, because as a result of the way it is used by USB every
device in the system that doesn't have a bus type or parent is
passed to usb_acpi_find_device() for inspection.
What USB actually needs, though, is to call usb_acpi_find_device()
for USB ports that don't have a bus type defined, but have
usb_port_device_type as their device type, as well as for USB
devices.
To fix that replace the struct bus_type pointer in struct
acpi_bus_type used for matching devices to specific subsystems
with a .match() callback to be used for this purpose and update
the users of struct acpi_bus_type, including USB, accordingly.
Define the .match() callback routine for USB, usb_acpi_bus_match(),
in such a way that it will cover both USB devices and USB ports
and remove the now redundant .find_bridge() callback pointer from
usb_acpi_bus.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata updates from Jeff Garzik:
1) apply, and then revert, the sysfs export of ATA host controller
number. Discussion was continuing after patch application, trying to
figure out how to best mesh exported data with the installers,
boot-time agents and other parties that want this info.
2) Merge Zero-Power Optical Device Driver (ZPODD) support, bringing the
wonderfulness of sane power management to your CD/DVD device.
Includes one SCSI-subsystem patch (with appropriate ACKs), adding
runtime PM support to 'sr' driver. That is the ZPODD interaction
bits.
Patchset went through some 13 revisions before it got here; kudos to
Intel for persistence.
3) pata_samsung_cf: use devm_clk_get()
4) more ata_piix, ahci PCI IDs
5) Add SATA driver for R-Car SoC
6) Convert libata to use devm_ioremap_resource (Note: I think Greg sent
this to you, also)
7) Set proper Sense Key (SK) in the SCSI simulator when ATA passthrough
indicates check condition. Google and specification hawks everywhere
shall rejoice.
* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (22 commits)
[libata] fix smatch warning for zpodd_wake_dev
[libata] Set proper SK when CK_COND is set.
[libata] Convert to devm_ioremap_resource()
libata: add R-Car SATA driver
ahci: Add Device IDs for Intel Wellsburg PCH
ata_piix: Add Device IDs for Intel Wellsburg PCH
[SCSI] remove can_power_off flag from scsi_device
[libata] scsi: no poll when ODD is powered off
[SCSI] sr: support runtime pm
ahci: AHCI-mode SATA patch for Intel Avoton DeviceIDs
ata_piix: IDE-mode SATA patch for Intel Avoton DeviceIDs
[libata] PM code cleanup for ata port
[libata] pm: differentiate system and runtime pm for ata port
Revert "libata: export host controller number thru /sys"
libata: do not suspend port if normal ODD is attached
libata: expose pm qos flags for ata device
libata: handle power transition of ODD
libata: check zero power ready status for ZPODD
libata: move acpi notification code to zpodd
libata: identify and init ZPODD devices
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Fix a smatch warning caused by an useless pointer check.
The context parameter (aka. ata_dev) will never be NULL until we remove
the acpi notification handler, so it is pointless to check it for NULL.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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When the user application sends a ATA_12 or ATA_16 PASSTHROUGH
scsi command, put the task file register in the sense data with the
proper Sense Key. Instead of NO SENSE, set RECOVERED, as
specified in [SAT2]12.2.5 Table 92.
Tested:
Using udev ata_id to generate a passthrough command, IDENTIFY:
before:
sd 0:0:0:0: [sda] CDB: ATA command pass through(12)/Blank: \
a1 08 2e 00 01 00 00 00 00 ec 00 00
sd 0:0:0:0: [sda] Sense Key : No Sense [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 00 00 00 00 00 00 0e 09 0c 00 00 00 00 00 3f
00 18 00 a6 e0 50
after
sd 0:0:0:0: [sda] CDB: ATA command pass through(12)/Blank: \
a1 08 2e 00 01 00 00 00 00 ec 00 00
sd 0:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 01 00 1d 00 00 00 0e 09 0c 00 00 00 01 00 00
00 00 00 00 00 50
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add Renesas R-Car on-chip 3Gbps SATA controller driver.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
[Sergei: few bugs fixed, significant cleanup]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch adds the AHCI-mode SATA Device IDs for the Intel Wellsburg PCH
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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