| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull slave-dmaengine updates from Vinod Koul:
"For dmaengine contributions we have:
- designware cleanup by Andy
- my series moving device_control users to dmanegine_xxx APIs for
later removal of device_control API
- minor fixes spread over drivers mainly mv_xor, pl330, mmp, imx-sdma
etc"
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (60 commits)
serial: atmel: add missing dmaengine header
dmaengine: remove FSLDMA_EXTERNAL_START
dmaengine: freescale: remove FSLDMA_EXTERNAL_START control method
carma-fpga: move to fsl_dma_external_start()
carma-fpga: use dmaengine_xxx() API
dmaengine: freescale: add and export fsl_dma_external_start()
dmaengine: add dmaengine_prep_dma_sg() helper
video: mx3fb: use dmaengine_terminate_all() API
serial: sh-sci: use dmaengine_terminate_all() API
net: ks8842: use dmaengine_terminate_all() API
mtd: sh_flctl: use dmaengine_terminate_all() API
mtd: fsmc_nand: use dmaengine_terminate_all() API
V4L2: mx3_camer: use dmaengine_pause() API
dmaengine: coh901318: use dmaengine_terminate_all() API
pata_arasan_cf: use dmaengine_terminate_all() API
dmaengine: edma: check for echan->edesc => NULL in edma_dma_pause()
dmaengine: dw: export probe()/remove() and Co to users
dmaengine: dw: enable and disable controller when needed
dmaengine: dw: always export dw_dma_{en,dis}able
dmaengine: dw: introduce dw_dma_on() helper
...
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The drivers should use dmaengine_terminate_all() API instead of accessing
the device_control which will be deprecated soon
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata update from Tejun Heo:
"AHCI is getting per-port irq handling and locks for better
scalability. The gain is not huge but measureable with multiple high
iops devices connected to the same host; however, the value of
threaded IRQ handling seems negligible for AHCI and it likely will
revert to non-threaded handling soon.
Another noteworthy change is George Spelvin's "libata: Un-break ATA
blacklist". During 3.17 devel cycle, the libata blacklist glob
matching got generalized and rewritten; unfortunately, the patch
forgot to swap arguments to match the new match function and ended up
breaking blacklist matching completely. It got noticed only a couple
days ago so it couldn't make for-3.17-fixes either. :(
Other than the above two, nothing too interesting - the usual cleanup
churns and device-specific changes"
* 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE Controller
libata: Un-break ATA blacklist
AHCI: Do not acquire ata_host::lock from single IRQ handler
AHCI: Optimize single IRQ interrupt processing
AHCI: Do not read HOST_IRQ_STAT reg in multi-MSI mode
AHCI: Make few function names more descriptive
AHCI: Move host activation code into ahci_host_activate()
AHCI: Move ahci_host_activate() function to libahci.c
AHCI: Pass SCSI host template as arg to ahci_host_activate()
ata: pata_imx: Use the SIMPLE_DEV_PM_OPS() macro
AHCI: Cleanup checking of multiple MSIs/SLM modes
libata-sff: Fix controllers with no ctl port
ahci_xgene: Fix the error print invalid resource for APM X-Gene SoC AHCI SATA Host Controller driver.
libata: change ata_<foo>_printk routines to return void
ata: qcom: Add device tree bindings information
ahci-platform: Bump max number of clocks to 5
ahci: ahci_p5wdh_workaround - constify DMI table
libahci_platform: Staticize ahci_platform_<en/dis>able_phys()
pata_platform: Remove useless irq_flags field
pata_of_platform: Remove "electra-ide" quirk
...
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The Broadcom OSB4 IDE Controller (vendor and device IDs: 1166:0211)
does not support 64-KB DMA transfers.
Whenever a 64-KB DMA transfer is attempted,
the transfer fails and messages similar to the following
are written to the console log:
[ 2431.851125] sr 0:0:0:0: [sr0] Unhandled sense code
[ 2431.851139] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2431.851152] sr 0:0:0:0: [sr0] Sense Key : Hardware Error [current]
[ 2431.851166] sr 0:0:0:0: [sr0] Add. Sense: Logical unit communication time-out
[ 2431.851182] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 76 f4 00 00 40 00
[ 2431.851210] end_request: I/O error, dev sr0, sector 121808
When the libata and pata_serverworks modules
are recompiled with ATA_DEBUG and ATA_VERBOSE_DEBUG defined in libata.h,
the 64-KB transfer size in the scatter-gather list can be seen
in the console log:
[ 2664.897267] sr 9:0:0:0: [sr0] Send:
[ 2664.897274] 0xf63d85e0
[ 2664.897283] sr 9:0:0:0: [sr0] CDB:
[ 2664.897288] Read(10): 28 00 00 00 7f b4 00 00 40 00
[ 2664.897319] buffer = 0xf6d6fbc0, bufflen = 131072, queuecommand 0xf81b7700
[ 2664.897331] ata_scsi_dump_cdb: CDB (1:0,0,0) 28 00 00 00 7f b4 00 00 40
[ 2664.897338] ata_scsi_translate: ENTER
[ 2664.897345] ata_sg_setup: ENTER, ata1
[ 2664.897356] ata_sg_setup: 3 sg elements mapped
[ 2664.897364] ata_bmdma_fill_sg: PRD[0] = (0x66FD2000, 0xE000)
[ 2664.897371] ata_bmdma_fill_sg: PRD[1] = (0x65000000, 0x10000)
------------------------------------------------------> =======
[ 2664.897378] ata_bmdma_fill_sg: PRD[2] = (0x66A10000, 0x2000)
[ 2664.897386] ata1: ata_dev_select: ENTER, device 0, wait 1
[ 2664.897422] ata_sff_tf_load: feat 0x1 nsect 0x0 lba 0x0 0x0 0xFC
[ 2664.897428] ata_sff_tf_load: device 0xA0
[ 2664.897448] ata_sff_exec_command: ata1: cmd 0xA0
[ 2664.897457] ata_scsi_translate: EXIT
[ 2664.897462] leaving scsi_dispatch_cmnd()
[ 2664.897497] Doing sr request, dev = sr0, block = 0
[ 2664.897507] sr0 : reading 64/256 512 byte blocks.
[ 2664.897553] ata_sff_hsm_move: ata1: protocol 7 task_state 1 (dev_stat 0x58)
[ 2664.897560] atapi_send_cdb: send cdb
[ 2666.910058] ata_bmdma_port_intr: ata1: host_stat 0x64
[ 2666.910079] __ata_sff_port_intr: ata1: protocol 7 task_state 3
[ 2666.910093] ata_sff_hsm_move: ata1: protocol 7 task_state 3 (dev_stat 0x51)
[ 2666.910101] ata_sff_hsm_move: ata1: protocol 7 task_state 4 (dev_stat 0x51)
[ 2666.910129] sr 9:0:0:0: [sr0] Done:
[ 2666.910136] 0xf63d85e0 TIMEOUT
lspci shows that the driver used for the Broadcom OSB4 IDE Controller is
pata_serverworks:
00:0f.1 IDE interface: Broadcom OSB4 IDE Controller (prog-if 8e [Master SecP SecO PriP])
Flags: bus master, medium devsel, latency 64
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1]
I/O ports at 0170 [size=8]
I/O ports at 0374 [size=4]
I/O ports at 1440 [size=16]
Kernel driver in use: pata_serverworks
The pata_serverworks driver supports five distinct device IDs,
one being the OSB4 and the other four belonging to the CSB series.
The CSB series appears to support 64-KB DMA transfers,
as tests on a machine with an SAI2 motherboard
containing a Broadcom CSB5 IDE Controller (vendor and device IDs: 1166:0212)
showed no problems with 64-KB DMA transfers.
This problem was first discovered when attempting to install openSUSE
from a DVD on a machine with an STL2 motherboard.
Using the pata_serverworks module,
older releases of openSUSE will not install at all due to the timeouts.
Releases of openSUSE prior to 11.3 can be installed by disabling
the pata_serverworks module using the brokenmodules boot parameter,
which causes the serverworks module to be used instead.
Recent releases of openSUSE (12.2 and later) include better error recovery and
will install, though very slowly.
On all openSUSE releases, the problem can be recreated
on a machine containing a Broadcom OSB4 IDE Controller
by mounting an install DVD and running a command similar to the following:
find /mnt -type f -print | xargs cat > /dev/null
The patch below corrects the problem.
Similar to the other ATA drivers that do not support 64-KB DMA transfers,
the patch changes the ata_port_operations qc_prep vector to point to a routine
that breaks any 64-KB segment into two 32-KB segments and
changes the scsi_host_template sg_tablesize element to reduce by half
the number of scatter/gather elements allowed.
These two changes affect only the OSB4.
Signed-off-by: Scott Carter <ccscott@funsoft.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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lib/glob.c provides a new glob_match() function, with arguments in
(pattern, string) order. It replaced a private function with arguments
in (string, pattern) order, but I didn't swap the call site...
The result was the entire ATA blacklist was effectively disabled.
The lesson for today is "I f***ed up *how* badly *how* many months ago?",
er, I mean "Nobody Tests RC Kernels On Legacy Hardware".
This was not a subtle break, but it made it through an entire RC
cycle unreported, presumably because all the people doing testing
have full-featured hardware.
(FWIW, the reason for the argument swap was because fnmatch() does it that
way, and for a while implementing a full fnmatch() was being considered.)
Fixes: 428ac5fc056e0 (libata: Use glob_match from lib/glob.c)
Reported-by: Steven Honeyman <stevenhoneyman@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=71371#c21
Signed-off-by: George Spelvin <linux@horizon.com>
Cc: <stable@vger.kernel.org> # 3.17
Tested-by: Steven Honeyman <stevenhoneyman@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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There is no need to acquire ata_host::lock spinlock from
hardware context single IRQ interrupt handler since the
handler does not access host data that could be altered
by concurrent processors.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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Split interrupt service routine into hardware context handler
and threaded context handler. That allows to protect ports with
individual locks rather than with a single host-wide lock and
move port interrupts handling out of the hardware interrupt
context.
Testing was done by transferring 8GB on two hard drives in
parallel using command 'dd if=/dev/sd{a,b} of=/dev/null'. With
lock_stat statistics I measured access times to ata_host::lock
spinlock (since interrupt handler code is fully embraced with
this lock). The average lock's holdtime decreased eight times
while average waittime decreased two times.
Both before and after the change the transfer time is the same,
while 'perf record -e cycles:k ...' shows 1%-4% CPU time spent
in ahci_single_irq_intr() routine before the update and not even
sampled/shown ahci_single_irq_intr() after the update.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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As described in AHCI v1.0 specification chapter 10.6.2.2
"Multiple MSI Based Messages" generation of interrupts
is not controlled through the HOST_IRQ_STAT register.
Considering MMIO access is expensive remove unnecessary
reading and writing of HOST_IRQ_STAT register.
Further, serializing access to the host data is no longer
needed and the interrupt service routine can avoid competing
on the host lock.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Suggested-by: "Jiang, Dave" <dave.jiang@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "Jiang, Dave" <dave.jiang@intel.com>
Cc: linux-ide@vger.kernel.org
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Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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Currently host activation done by calling either function
ahci_host_activate() or ata_host_activate(). Consolidate
the code by only calling ahci_host_activate() for all AHCI
devices.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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Using the SIMPLE_DEV_PM_OPS() macro can make the code shorter and cleaner.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Sharing Last Message (SLM) mode is currently checked in two
functions: ahci_host_activate() and ahci_init_interrupts().
This update consolidates SLM mode check with activation of
multiple MSIs mode.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
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Currently, ata_sff_softreset is skipped for controllers with no ctl port.
But that also skips ata_sff_dev_classify required for device detection.
This means that libata is currently broken on controllers with no ctl port.
No device connected:
[ 1.872480] pata_isapnp 01:01.02: activated
[ 1.889823] scsi2 : pata_isapnp
[ 1.890109] ata3: PATA max PIO0 cmd 0x1e8 ctl 0x0 irq 11
[ 6.888110] ata3.01: qc timeout (cmd 0xec)
[ 6.888179] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 16.888085] ata3.01: qc timeout (cmd 0xec)
[ 16.888147] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 46.888086] ata3.01: qc timeout (cmd 0xec)
[ 46.888148] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 51.888100] ata3.00: qc timeout (cmd 0xec)
[ 51.888160] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 61.888079] ata3.00: qc timeout (cmd 0xec)
[ 61.888141] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 91.888089] ata3.00: qc timeout (cmd 0xec)
[ 91.888152] ata3.00: failed to IDENTIFY (I/O error, err_mask=0x5)
ATAPI device connected:
[ 1.882061] pata_isapnp 01:01.02: activated
[ 1.893430] scsi2 : pata_isapnp
[ 1.893719] ata3: PATA max PIO0 cmd 0x1e8 ctl 0x0 irq 11
[ 6.892107] ata3.01: qc timeout (cmd 0xec)
[ 6.892171] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 16.892079] ata3.01: qc timeout (cmd 0xec)
[ 16.892138] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 46.892079] ata3.01: qc timeout (cmd 0xec)
[ 46.892138] ata3.01: failed to IDENTIFY (I/O error, err_mask=0x5)
[ 46.908586] ata3.00: ATAPI: ACER CD-767E/O, V1.5X, max PIO2, CDB intr
[ 46.924570] ata3.00: configured for PIO0 (device error ignored)
[ 46.926295] scsi 2:0:0:0: CD-ROM ACER CD-767E/O 1.5X PQ: 0 ANSI: 5
[ 46.984519] sr0: scsi3-mmc drive: 6x/6x xa/form2 tray
[ 46.984592] cdrom: Uniform CD-ROM driver Revision: 3.20
So don't skip ata_sff_softreset, just skip the reset part of ata_bus_softreset
if the ctl port is not available.
This makes IDE port on ES968 behave correctly:
No device connected:
[ 4.670888] pata_isapnp 01:01.02: activated
[ 4.673207] scsi host2: pata_isapnp
[ 4.673675] ata3: PATA max PIO0 cmd 0x1e8 ctl 0x0 irq 11
[ 7.081840] Adding 2541652k swap on /dev/sda2. Priority:-1 extents:1 across:2541652k
ATAPI device connected:
[ 4.704362] pata_isapnp 01:01.02: activated
[ 4.706620] scsi host2: pata_isapnp
[ 4.706877] ata3: PATA max PIO0 cmd 0x1e8 ctl 0x0 irq 11
[ 4.872782] ata3.00: ATAPI: ACER CD-767E/O, V1.5X, max PIO2, CDB intr
[ 4.888673] ata3.00: configured for PIO0 (device error ignored)
[ 4.893984] scsi 2:0:0:0: CD-ROM ACER CD-767E/O 1.5X PQ: 0 ANSI: 5
[ 7.015578] Adding 2541652k swap on /dev/sda2. Priority:-1 extents:1 across:2541652k
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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SATA Host Controller driver.
This patch fixes the error print invalid resource for the APM X-Gene
SoC AHCI SATA Host Controller driver. This print was due to the fact
that the controller 3 don't have a mux resource. This didn't result
in any errors but the print seems like meaningless.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The return value is not used by callers of these functions nor
by uses of all macros so change the functions to return void.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Qualcomm IPQ806x SoCs with SATA controllers need 5 clocks to be enabled.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The DMI table does not need to be written to, make it r/o.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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ahci_platform_enable_phys() and ahci_platform_disable_phys() are currently
exported, but they are not used anywhere else other than libahci_platform.c.
So make them static and do not export them to fix the following sparse
warnings:
drivers/ata/libahci_platform.c:52:5: warning: symbol 'ahci_platform_enable_phys' was not declared. Should it be static?
drivers/ata/libahci_platform.c:88:6: warning: symbol 'ahci_platform_disable_phys' was not declared. Should it be static?
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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IRQ flags can be obtained from resource structure, there are no need
to use additional field in the platform_data to store these values.
This patch removes this field and convert existing users of this driver
to use IRQ flags from the resources.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tejun Heo <tj@kernel.org>
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"electra-ide" is not used anywhere in the kernel and could be
represented in devicetree in a normal way.
This patch removes specific quirk for "electra-ide".
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Use dev_name() instead of driver name for request_irq().
This will help to distinguish between multiple identical devices.
Before:
CPU0
5: 34425 clps711x-intc 5 pata_of_platform
6: 6778 clps711x-intc 6 pata_of_platform
After:
CPU0
5: 2182 clps711x-intc 5 20000000.ide
6: 11024 clps711x-intc 6 20100000.ide
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The last user of the deprecated struct ahci_platform_data has been
cleaned up recently (SPEAr1340 got a proper PHY driver).
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
"These are bug fixes for harmless problems that were not important
enough to get fixed in 3.17. The majority of these are OMAP specific,
but there are also a couple for Marvell mvebu, cns3xxx, and others, as
well as some updates for the MAINTAINERS file.
In particular, Robert Jarzmik and Daniel Mack now volunteered to help
out maintaining the PXA platform, Krzysztof Halasa took over the
cns3xxx platform, Carlo Caione is the maintainer for the new Amlogic
meson platform, and Matthias Brugger is now listed for the mediatek
platform he recently contributed"
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
MAINTAINERS: update Shawn's email address
MAINTAINERS: condense some Tegra related entries
MAINTAINERS: add Alexandre Courbot for Tegra
MAINTAINERS: CNS3xxx and IXP4xx update.
MAINTAINERS: Add maintainers entry for Mediatek SoCs
arm, vt8500, LLVMLlinux: Use mcr instead of mcr% for mach-vt8500
MAINTAINERS: add a third maintainer to mach-bcm
CNS3xxx: Fix PCIe read size limit.
CNS3xxx: Fix logical PCIe topology.
CNS3xxx: Fix debug UART.
MAINTAINERS: Add entry for the Amlogic MesonX SoCs
MAINTAINERS: update ARM pxa maintainers
ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks
ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
ARM: mvebu: Netgear RN102: Use Hardware BCH ECC
ARM: Kirkwood: Fix DT based DSA.
ARM: OMAP2+: make of_device_ids const
ARM: omap2: make arrays containing machine compatible strings const
ARM: LPC32xx: Fix reset function
ARM: mvebu: Netgear RN2120: Use Hardware BCH ECC
...
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next/fixes-non-critical
Merge "mvebu fixes for v3.17" from Jason Cooper:
- kirkwood
- final driver cleanup of ARCH_KIRKWOOD removal
- fix DT based DSA
- mvebu
- use BCH ECC for the RN2120 and RN104/2 nand chips
* tag 'mvebu-fixes-3.17' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: Netgear RN102: Use Hardware BCH ECC
ARM: Kirkwood: Fix DT based DSA.
ARM: mvebu: Netgear RN2120: Use Hardware BCH ECC
ARM: mvebu: Netgear RN104: Use Hardware BCH ECC
cpufreq: Remove ARCH_KIRKWOOD dependency
watchdog: Remove ARCH_KIRKWOOD dependency
rtc: Remove ARCH_KIRKWOOD dependency
leds: Remove ARCH_KIRKWOOD dependency
thermal: Remove ARCH_KIRKWOOD dependency
ata: Remove ARCH_KIRKWOOD dependency
cpuidle: kirkwood: Remove ARCH_KIRKWOOD dependency
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mach-kirkwood has been removed, now that kirkwood lives in mach-mvebu.
ARCH_MVEBU is sufficient.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lkml.kernel.org/r/1409417172-6846-3-git-send-email-andrew@lunn.ch
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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SATA host controller driver.
Due to HW errata the APM X-Gene AHCI SATA host controller reports link
down even if the device presence is detected. This issue is due to speed
negotiation failure. This patch implements the algorithm to retry the
COMRESET if PxSTAT register reports device presence detected but
PHY communication not established. The maximum retry attempts are 3.
This patch also fixes the code to match the algorithm for the printing
a warning message if the disparity error still exists after link up.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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the firmware.
This patch implements the feature to skip the PHY and clock
initialization if it is already configured by the firmware.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Keystone K2E EVM uses Marvel 0x9182 controller. This requires support
for the ID in the ahci driver.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: stable@vger.kernel.org
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After enabled the PM feature that supporting async noirq(76569faa62
(PM / sleep: Asynchronous threads for resume_noirq)),
Jay hit the system resuming issue, that one of the JMicron controller
can not be powered up.
His device tree is like below:
+-1c.4-[02]--+-00.0 JMicron Technology Corp. JMB363 SATA/IDE Controller
| \-00.1 JMicron Technology Corp. JMB363 SATA/IDE Controller
After investigation, we found the the Micron chip 363 included
one SATA controller(0000:02:00.0) and one PATA controller(0000:02:00.1),
these two controllers do not have parent-children relationship,
but the PATA controller only can be powered on after the SATA controller
has finished the powering on.
If we enabled the async noirq(), then the below error is hit during noirq
phase:
pata_jmicron 0000:02:00.1: Refused to change power state, currently in D3
Here for JMicron chip 363/361, we need forcedly to disable the async method.
Bug detail: https://bugzilla.kernel.org/show_bug.cgi?id=81551
Reported-by: Jay <MyMailClone@t-online.de>
Signed-off-by: Chuansheng Liu <chuansheng.liu@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This patch adds the IDE mode SATA Device IDs for the Intel 9 Series PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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This patch adds the AHCI mode SATA Device IDs for the Intel 9 Series PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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The original version of the driver did not read the SATA calibration
fuse to remove the dependency to the fuse driver. The fuse driver
is now merged, so add this functionality.
The calibration fuse contains a 2-bit value used to pick a set
of calibration values for the SATA pad.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Crucial M550 may cause data corruption on queued trims and is
blacklisted. The pattern used for it fails to match 1TB one as the
capacity section will be four chars instead of three. Widen the
pattern.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Charles Reiss <woggling@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=81071
Cc: stable@vger.kernel.org
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scc_bus_softreset not necessarily should return zero.
Propagate the error code.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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Before this patch, the driver included <linux/tegra-powergate.h>,
which was effectively renamed to <soc/tegra/pmc.h> at about the same
time the ahci_tegra series landed. Fix the include path so that the
driver compiles.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Change return type to signed int since it could be
a negative errno.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Controller driver.
This patch removes the NCQ support from the APM X-Gene SoC AHCI
Host Controller driver as it doesn't support it.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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Merge incoming from Andrew Morton:
- Various misc things.
- arch/sh updates.
- Part of ocfs2. Review is slow.
- Slab updates.
- Most of -mm.
- printk updates.
- lib/ updates.
- checkpatch updates.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (226 commits)
checkpatch: update $declaration_macros, add uninitialized_var
checkpatch: warn on missing spaces in broken up quoted
checkpatch: fix false positives for --strict "space after cast" test
checkpatch: fix false positive MISSING_BREAK warnings with --file
checkpatch: add test for native c90 types in unusual order
checkpatch: add signed generic types
checkpatch: add short int to c variable types
checkpatch: add for_each tests to indentation and brace tests
checkpatch: fix brace style misuses of else and while
checkpatch: add --fix option for a couple OPEN_BRACE misuses
checkpatch: use the correct indentation for which()
checkpatch: add fix_insert_line and fix_delete_line helpers
checkpatch: add ability to insert and delete lines to patch/file
checkpatch: add an index variable for fixed lines
checkpatch: warn on break after goto or return with same tab indentation
checkpatch: emit a warning on file add/move/delete
checkpatch: add test for commit id formatting style in commit log
checkpatch: emit fewer kmalloc_array/kcalloc conversion warnings
checkpatch: improve "no space after cast" test
checkpatch: allow multiple const * types
...
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The function may be useful for other drivers, so export it. (Suggested
by Tejun Heo.)
Note that I inverted the return value of glob_match; returning true on
match seemed to make more sense.
Signed-off-by: George Spelvin <linux@horizon.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull SCSI updates from James Bottomley:
"This patch set consists of the usual driver updates (ufs, storvsc,
pm8001 hpsa). It also has removal of the user space target driver
code (everyone is using LIO now), a partial PCI MSI-X update, more
multi-queue updates, conversion to 64 bit LUNs (so we could
theoretically cope with any LUN returned by a device) and placeholder
support for the ZBC device type (Shingle drives), plus an assortment
of minor updates and bug fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (143 commits)
scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
vmw_pvscsi: Use pci_enable_msix_exact() instead of pci_enable_msix()
pm8001: Fix invalid return when request_irq() failed
lpfc: Remove superfluous call to pci_disable_msix()
isci: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Cleanup bfad_setup_intr() function
bfa: Do not call pci_enable_msix() after it failed once
fnic: Use pci_enable_msix_exact() instead of pci_enable_msix()
scsi: use short driver name for per-driver cmd slab caches
scsi_debug: support scsi-mq, queues and locks
Drivers: add blist flags
scsi: ufs: fix endianness sparse warnings
scsi: ufs: make undeclared functions static
bnx2i: Update driver version to 2.7.10.1
pm8001: fix a memory leak in nvmd_resp
pm8001: fix update_flash
pm8001: fix a memory leak in flash_update
pm8001: Cleaning up uninitialized variables
pm8001: Fix to remove null pointer checks that could never happen
...
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The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.
So update the linux SCSI stack to use 64-bit LUN numbers.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Commit 725c7b570fda (ata: libahci_platform: move port_map parameters
into the AHCI structure) moves flags into the struct ahci_host_priv's
.flags field, which causes compiler warnings on 64-bit builds when that
value is cast to a void * pointer. Cast to an unsigned long so that the
subsequent cast to a pointer doesn't produce a warning.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The ahci_platform driver is a generic driver using the libahci_platform
functions. Add a generic compatible to avoid having an endless list of
compatibles with no differences for the same driver.
Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
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The current implementation of the libahci does not allow to use multiple
PHYs. This patch adds the support of multiple PHYs by the libahci while
keeping the old bindings valid for device tree compatibility.
This introduce a new way of defining SATA ports in the device tree, with
one port per sub-node. This as the advantage of allowing a per port
configuration. Because some ports may be accessible but disabled in the
device tree, the port_map mask is computed automatically when using
this.
Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This patch moves force_port_map and mask_port_map into the
ahci_host_priv structure. This allows to modify them into the AHCI
framework. This is needed by the new dt bindings representing ports as
the port_map mask is computed automatically.
Parameters modifying force_port_map, mask_port_map and flags have been
removed from the ahci_platform_init_host() function, and inputs in the
ahci_host_priv structure are now directly filed.
Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata into for-3.17
The scheduled ahci platform patches depend on change in
for-3.16-fixes. Pull it into for-3.17.
Signed-off-by: Tejun Heo <tj@kernel.org>
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1871ee134b73 ("libata: support the ata host which implements a queue
depth less than 32") directly used ata_port->scsi_host->can_queue from
ata_qc_new() to determine the number of tags supported by the host;
unfortunately, SAS controllers doing SATA don't initialize ->scsi_host
leading to the following oops.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000058
IP: [<ffffffff814e0618>] ata_qc_new_init+0x188/0x1b0
PGD 0
Oops: 0002 [#1] SMP
Modules linked in: isci libsas scsi_transport_sas mgag200 drm_kms_helper ttm
CPU: 1 PID: 518 Comm: udevd Not tainted 3.16.0-rc6+ #62
Hardware name: Intel Corporation S2600CO/S2600CO, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
task: ffff880c1a00b280 ti: ffff88061a000000 task.ti: ffff88061a000000
RIP: 0010:[<ffffffff814e0618>] [<ffffffff814e0618>] ata_qc_new_init+0x188/0x1b0
RSP: 0018:ffff88061a003ae8 EFLAGS: 00010012
RAX: 0000000000000001 RBX: ffff88000241ca80 RCX: 00000000000000fa
RDX: 0000000000000020 RSI: 0000000000000020 RDI: ffff8806194aa298
RBP: ffff88061a003ae8 R08: ffff8806194a8000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88000241ca80 R12: ffff88061ad58200
R13: ffff8806194aa298 R14: ffffffff814e67a0 R15: ffff8806194a8000
FS: 00007f3ad7fe3840(0000) GS:ffff880627620000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000058 CR3: 000000061a118000 CR4: 00000000001407e0
Stack:
ffff88061a003b20 ffffffff814e96e1 ffff88000241ca80 ffff88061ad58200
ffff8800b6bf6000 ffff880c1c988000 ffff880619903850 ffff88061a003b68
ffffffffa0056ce1 ffff88061a003b48 0000000013d6e6f8 ffff88000241ca80
Call Trace:
[<ffffffff814e96e1>] ata_sas_queuecmd+0xa1/0x430
[<ffffffffa0056ce1>] sas_queuecommand+0x191/0x220 [libsas]
[<ffffffff8149afee>] scsi_dispatch_cmd+0x10e/0x300
[<ffffffff814a3bc5>] scsi_request_fn+0x2f5/0x550
[<ffffffff81317613>] __blk_run_queue+0x33/0x40
[<ffffffff8131781a>] queue_unplugged+0x2a/0x90
[<ffffffff8131ceb4>] blk_flush_plug_list+0x1b4/0x210
[<ffffffff8131d274>] blk_finish_plug+0x14/0x50
[<ffffffff8117eaa8>] __do_page_cache_readahead+0x198/0x1f0
[<ffffffff8117ee21>] force_page_cache_readahead+0x31/0x50
[<ffffffff8117ee7e>] page_cache_sync_readahead+0x3e/0x50
[<ffffffff81172ac6>] generic_file_read_iter+0x496/0x5a0
[<ffffffff81219897>] blkdev_read_iter+0x37/0x40
[<ffffffff811e307e>] new_sync_read+0x7e/0xb0
[<ffffffff811e3734>] vfs_read+0x94/0x170
[<ffffffff811e43c6>] SyS_read+0x46/0xb0
[<ffffffff811e33d1>] ? SyS_lseek+0x91/0xb0
[<ffffffff8171ee29>] system_call_fastpath+0x16/0x1b
Code: 00 00 00 88 50 29 83 7f 08 01 19 d2 83 e2 f0 83 ea 50 88 50 34 c6 81 1d 02 00 00 40 c6 81 17 02 00 00 00 5d c3 66 0f 1f 44 00 00 <89> 14 25 58 00 00 00
Fix it by introducing ata_host->n_tags which is initialized to
ATA_MAX_QUEUE - 1 in ata_host_init() for SAS controllers and set to
scsi_host_template->can_queue in ata_host_register() for !SAS ones.
As SAS hosts are never registered, this will give them the same
ATA_MAX_QUEUE - 1 as before. Note that we can't use
scsi_host->can_queue directly for SAS hosts anyway as they can go
higher than the libata maximum.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Mike Qiu <qiudayu@linux.vnet.ibm.com>
Reported-by: Jesse Brandeburg <jesse.brandeburg@gmail.com>
Reported-by: Peter Hurley <peter@hurleysoftware.com>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Fixes: 1871ee134b73 ("libata: support the ata host which implements a queue depth less than 32")
Cc: Kevin Hao <haokexin@gmail.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: stable@vger.kernel.org
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Add support of the Promise FastTrak TX8660 SATA HBA in ahci mode by
registering the board in the ahci_pci_tbl[].
Note: this HBA also provide a hardware RAID mode when activated in
BIOS but specific drivers from the manufacturer are required in this
case.
Signed-off-by: Romain Degez <romain.degez@gmail.com>
Tested-by: Romain Degez <romain.degez@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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