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Commit 892a884 (leds: convert led platform drivers to module_platform_driver)
is omitting the section mismatch error: so change annotation of the probe
function to __devinit instead of __init.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
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Pull ARM fixes from Russell King:
"Nothing too disasterous, the biggest thing being the removal of the
regulator support for vcore in the AMBA driver; only one SoC was using
this and it got broken during the last merge window, which then
started causing problems for other people. Mutual agreement was
reached for it to be removed."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7386/1: jump_label: fixup for rename to static_key
ARM: 7384/1: ThumbEE: Disable userspace TEEHBR access for !CONFIG_ARM_THUMBEE
ARM: 7382/1: mm: truncate memory banks to fit in 4GB space for classic MMU
ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus
ARM: 7383/1: nommu: populate vectors page from paging_init
ARM: 7381/1: nommu: fix typo in mm/Kconfig
ARM: 7380/1: DT: do not add a zero-sized memory property
ARM: 7379/1: DT: fix atags_to_fdt() second call site
ARM: 7366/3: amba: Remove AMBA level regulator support
ARM: 7377/1: vic: re-read status register before dispatching each IRQ handler
ARM: 7368/1: fault.c: correct how the tsk->[maj|min]_flt gets incremented
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The AMBA bus regulator support is being used to model on/off switches
for power domains which isn't terribly idiomatic for modern kernels with
the generic power domain code and creates integration problems on platforms
which don't use regulators for their power domains as it's hard to tell
the difference between a regulator that is needed but failed to be provided
and one that isn't supposed to be there (though DT does make that easier).
Platforms that wish to use the regulator API to manage their power domains
can indirect via the power domain interface.
This feature is only used with the vape supply of the db8500 PRCMU
driver which supplies the UARTs and MMC controllers, none of which have
support for managing vcore at runtime in mainline (only pl022 SPI
controller does). Update that supply to have an always_on constraint
until the power domain support for the system is updated so that it is
enabled for these users, this is likely to have no impact on practical
systems as probably at least one of these devices will be active and
cause AMBA to hold the supply on anyway.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit 26f41062f28d ("PCI: check for pci bar restore completion and
retry") attempted to address problems with PCI BAR restoration on
systems where FLR had not been completed before pci_restore_state() was
called, but it did that in an utterly wrong way.
First off, instead of retrying the writes for the BAR registers only, it
did that for all of the PCI config space of the device, including the
status register (whose value after the write quite obviously need not be
the same as the written one). Second, it added arbitrary delay to
pci_restore_state() even for systems where the PCI config space
restoration was successful at first attempt. Finally, the mdelay(10) it
added to every iteration of the writing loop was way too much of a delay
for any reasonable device.
All of this actually caused resume failures for some devices on Mikko's
system.
To fix the regression, make pci_restore_state() only retry the writes
for BAR registers and only wait if the first read from the register
doesn't return the written value. Additionaly, make it wait for 1 ms,
instead of 10 ms, after every failing attempt to write into config
space.
Reported-by: Mikko Vinni <mmvinni@yahoo.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: a few more SoC fixes for 3.4-rc" from Olof Johansson:
- A handful of warning and build fixes for Qualcomm MSM
- Build/warning and bug fixes for Samsung Exynos
- A fix from Rob Herring that removes misplaced interrupt-parent
properties from a few device trees
- A fix to OMAP dealing with cpufreq build errors, removing some of the
offending code since it was redundant anyway
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP: clock: cleanup CPUfreq leftovers, fix build errors
ARM: dts: remove blank interrupt-parent properties
ARM: EXYNOS: Fix Kconfig dependencies for device tree enabled machine files
ARM: EXYNOS: Remove broken config values for touchscren for NURI board
ARM: EXYNOS: set fix xusbxti clock for NURI and Universal210 boards
ARM: EXYNOS: fix regulator name for NURI board
ARM: SAMSUNG: make SAMSUNG_PM_DEBUG select DEBUG_LL
ARM: msm: Fix section mismatches in proc_comm.c
video: msm: Fix section mismatches in mddi.c
arm: msm: trout: fix compile failure
arm: msm: halibut: remove unneeded fixup
ARM: EXYNOS: Add PDMA and MDMA physical base address defines
ARM: S5PV210: Fix compiler warning in dma.c file
ARM: EXYNOS: Fix compile error in exynos5250-cpufreq.c
ARM: EXYNOS: Add missing definition for IRQ_I2S0
ARM: S5PV210: fix unused LDO supply field from wm8994_pdata
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The change
commit 461cbe77d0a4f887c33a3a95ea68a7daf23b4302
Author: Gregory Bean <gbean@codeaurora.org>
Date: Wed Jul 28 10:22:13 2010 -0700
video: msm: Fix section mismatch in mddi.c.
fixes a section mismatch between the board file and the driver's probe
function, however, it misses the additional mismatches between the
probe function and some routines it calls. Fix these up as well.
Signed-off-by: David Brown <davidb@codeaurora.org>
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Commit 18a4d0a22ed6 ("[SCSI] Handle disk devices which can not process
medium access commands") introduced a bug in which we would attempt to
dereference the scsi driver even when the device had no ULD attached.
Ensure that a driver is registered and make the driver accessor function
more resilient to errors during device discovery.
Reported-by: Elric Fu <elricfu1@gmail.com>
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull fbdev fixes from Florian Tobias Schandinat:
- a compile fix for au1*fb
- a fix to make kyrofb usable on x86_64
- a fix for uvesafb to prevent an oops due to NX-protection
"The fix for kyrofb is a bit large but it's just replacing "unsigned
long" by "u32" for 64 bit compatibility."
* tag 'fbdev-fixes-for-3.4-1' of git://github.com/schandinat/linux-2.6:
video:uvesafb: Fix oops that uvesafb try to execute NX-protected page
fbdev: fix au1*fb builds
kyrofb: fix on x86_64
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This patch fix the oops below that catched in my machine
[ 81.560602] uvesafb: NVIDIA Corporation, GT216 Board - 0696a290, Chip Rev , OEM: NVIDIA, VBE v3.0
[ 81.609384] uvesafb: protected mode interface info at c000:d350
[ 81.609388] uvesafb: pmi: set display start = c00cd3b3, set palette = c00cd40e
[ 81.609390] uvesafb: pmi: ports = 3b4 3b5 3ba 3c0 3c1 3c4 3c5 3c6 3c7 3c8 3c9 3cc 3ce 3cf 3d0 3d1 3d2 3d3 3d4 3d5 3da
[ 81.614558] uvesafb: VBIOS/hardware doesn't support DDC transfers
[ 81.614562] uvesafb: no monitor limits have been set, default refresh rate will be used
[ 81.614994] uvesafb: scrolling: ypan using protected mode interface, yres_virtual=4915
[ 81.744147] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 81.744153] BUG: unable to handle kernel paging request at c00cd3b3
[ 81.744159] IP: [<c00cd3b3>] 0xc00cd3b2
[ 81.744167] *pdpt = 00000000016d6001 *pde = 0000000001c7b067 *pte = 80000000000cd163
[ 81.744171] Oops: 0011 [#1] SMP
[ 81.744174] Modules linked in: uvesafb(+) cfbcopyarea cfbimgblt cfbfillrect
[ 81.744178]
[ 81.744181] Pid: 3497, comm: modprobe Not tainted 3.3.0-rc4NX+ #71 Acer Aspire 4741 /Aspire 4741
[ 81.744185] EIP: 0060:[<c00cd3b3>] EFLAGS: 00010246 CPU: 0
[ 81.744187] EIP is at 0xc00cd3b3
[ 81.744189] EAX: 00004f07 EBX: 00000000 ECX: 00000000 EDX: 00000000
[ 81.744191] ESI: f763f000 EDI: f763f6e8 EBP: f57f3a0c ESP: f57f3a00
[ 81.744192] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 81.744195] Process modprobe (pid: 3497, ti=f57f2000 task=f748c600 task.ti=f57f2000)
[ 81.744196] Stack:
[ 81.744197] f82512c5 f759341c 00000000 f57f3a30 c124a9bc 00000001 00000001 000001e0
[ 81.744202] f8251280 f763f000 f7593400 00000000 f57f3a40 c12598dd f5c0c000 00000000
[ 81.744206] f57f3b10 c1255efe c125a21a 00000006 f763f09c 00000000 c1c6cb60 f7593400
[ 81.744210] Call Trace:
[ 81.744215] [<f82512c5>] ? uvesafb_pan_display+0x45/0x60 [uvesafb]
[ 81.744222] [<c124a9bc>] fb_pan_display+0x10c/0x160
[ 81.744226] [<f8251280>] ? uvesafb_vbe_find_mode+0x180/0x180 [uvesafb]
[ 81.744230] [<c12598dd>] bit_update_start+0x1d/0x50
[ 81.744232] [<c1255efe>] fbcon_switch+0x39e/0x550
[ 81.744235] [<c125a21a>] ? bit_cursor+0x4ea/0x560
[ 81.744240] [<c129b6cb>] redraw_screen+0x12b/0x220
[ 81.744245] [<c128843b>] ? tty_do_resize+0x3b/0xc0
[ 81.744247] [<c129ef42>] vc_do_resize+0x3d2/0x3e0
[ 81.744250] [<c129efb4>] vc_resize+0x14/0x20
[ 81.744253] [<c12586bd>] fbcon_init+0x29d/0x500
[ 81.744255] [<c12984c4>] ? set_inverse_trans_unicode+0xe4/0x110
[ 81.744258] [<c129b378>] visual_init+0xb8/0x150
[ 81.744261] [<c129c16c>] bind_con_driver+0x16c/0x360
[ 81.744264] [<c129b47e>] ? register_con_driver+0x6e/0x190
[ 81.744267] [<c129c3a1>] take_over_console+0x41/0x50
[ 81.744269] [<c1257b7a>] fbcon_takeover+0x6a/0xd0
[ 81.744272] [<c12594b8>] fbcon_event_notify+0x758/0x790
[ 81.744277] [<c10929e2>] notifier_call_chain+0x42/0xb0
[ 81.744280] [<c1092d30>] __blocking_notifier_call_chain+0x60/0x90
[ 81.744283] [<c1092d7a>] blocking_notifier_call_chain+0x1a/0x20
[ 81.744285] [<c124a5a1>] fb_notifier_call_chain+0x11/0x20
[ 81.744288] [<c124b759>] register_framebuffer+0x1d9/0x2b0
[ 81.744293] [<c1061c73>] ? ioremap_wc+0x33/0x40
[ 81.744298] [<f82537c6>] uvesafb_probe+0xaba/0xc40 [uvesafb]
[ 81.744302] [<c12bb81f>] platform_drv_probe+0xf/0x20
[ 81.744306] [<c12ba558>] driver_probe_device+0x68/0x170
[ 81.744309] [<c12ba731>] __device_attach+0x41/0x50
[ 81.744313] [<c12b9088>] bus_for_each_drv+0x48/0x70
[ 81.744316] [<c12ba7f3>] device_attach+0x83/0xa0
[ 81.744319] [<c12ba6f0>] ? __driver_attach+0x90/0x90
[ 81.744321] [<c12b991f>] bus_probe_device+0x6f/0x90
[ 81.744324] [<c12b8a45>] device_add+0x5e5/0x680
[ 81.744329] [<c122a1a3>] ? kvasprintf+0x43/0x60
[ 81.744332] [<c121e6e4>] ? kobject_set_name_vargs+0x64/0x70
[ 81.744335] [<c121e6e4>] ? kobject_set_name_vargs+0x64/0x70
[ 81.744339] [<c12bbe9f>] platform_device_add+0xff/0x1b0
[ 81.744343] [<f8252906>] uvesafb_init+0x50/0x9b [uvesafb]
[ 81.744346] [<c100111f>] do_one_initcall+0x2f/0x170
[ 81.744350] [<f82528b6>] ? uvesafb_is_valid_mode+0x66/0x66 [uvesafb]
[ 81.744355] [<c10c6994>] sys_init_module+0xf4/0x1410
[ 81.744359] [<c1157fc0>] ? vfsmount_lock_local_unlock_cpu+0x30/0x30
[ 81.744363] [<c144cb10>] sysenter_do_call+0x12/0x36
[ 81.744365] Code: f5 00 00 00 32 f6 66 8b da 66 d1 e3 66 ba d4 03 8a e3 b0 1c 66 ef b0 1e 66 ef 8a e7 b0 1d 66 ef b0 1f 66 ef e8 fa 00 00 00 61 c3 <60> e8 c8 00 00 00 66 8b f3 66 8b da 66 ba d4 03 b0 0c 8a e5 66
[ 81.744388] EIP: [<c00cd3b3>] 0xc00cd3b3 SS:ESP 0068:f57f3a00
[ 81.744391] CR2: 00000000c00cd3b3
[ 81.744393] ---[ end trace 18b2c87c925b54d6 ]---
Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Michal Januszewski <spock@gentoo.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
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Commit 1c16697bf9d5b206cb0d2b905a54de5e077296be
("drivers/video/au*fb.c: use devm_ functions) introduced 2 build failures
in the au1100fb and au1200fb drivers, fix them.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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kyrofb is completely broken on x86_64 because the registers are defined as
unsigned long. Change them to u32 to make the driver work.
Tested with Hercules 3D Prophet 4000XT.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Pull block driver bits from Jens Axboe:
- A series of fixes for mtip32xx. Most from Asai at Micron, but also
one from Greg, getting rid of the dependency on PCIE_HOTPLUG.
- A few bug fixes for xen-blkfront, and blkback.
- A virtio-blk fix for Vivek, making resize actually work.
- Two fixes from Stephen, making larger transfers possible on cciss.
This is needed for tape drive support.
* 'for-3.4/drivers' of git://git.kernel.dk/linux-block:
block: mtip32xx: remove HOTPLUG_PCI_PCIE dependancy
mtip32xx: dump tagmap on failure
mtip32xx: fix handling of commands in various scenarios
mtip32xx: Shorten macro names
mtip32xx: misc changes
mtip32xx: Add new sysfs entry 'status'
mtip32xx: make setting comp_time as common
mtip32xx: Add new bitwise flag 'dd_flag'
mtip32xx: fix error handling in mtip_init()
virtio-blk: Call revalidate_disk() upon online disk resize
xen/blkback: Make optional features be really optional.
xen/blkback: Squash the discard support for 'file' and 'phy' type.
mtip32xx: fix incorrect value set for drv_cleanup_done, and re-initialize and start port in mtip_restart_port()
cciss: Fix scsi tape io with more than 255 scatter gather elements
cciss: Initialize scsi host max_sectors for tape drive support
xen-blkfront: make blkif_io_lock spinlock per-device
xen/blkfront: don't put bdev right after getting it
xen-blkfront: use bitmap_set() and bitmap_clear()
xen/blkback: Enable blkback on HVM guests
xen/blkback: use grant-table.c hypercall wrappers
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This removes the HOTPLUG_PCI_PCIE dependency on the driver and makes it
depend on PCI.
Cc: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Dump tagmap on failure, instead of individual tags.
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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* If a ncq command time out and a non-ncq command is active, skip restart port
* Queue(pause) ncq commands during operations spanning more than one non-ncq commands - secure erase, download microcode
* When a non-ncq command is active, allow incoming non-ncq commands to wait instead of failing back
* Changed timeout for download microcode and smart commands
* If the device in write protect mode, fail all writes (do not send to device)
* Set maximum retries to 2
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Shortened macros used to represent mtip_port->flags and dd->dd_flag
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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* Handle the interrupt completion of polled internal commands
* Do not check remove pending flag for standby command
* On rebuild failure,
- set corresponding bit dd_flag
- do not send standby command
* Free ida index in remove path
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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* Add support for detecting the following device status
- write protect
- over temp (thermal shutdown)
* Add new sysfs entry 'status', possible values - online, write_protect, thermal_shutdown
* Add new file 'sysfs-block-rssd' to document ABI (Reported-by: Greg Kroah-Hartman)
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Moved setting completion time into mtip_issue_ncq_command()
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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* Merged the following flags into one variable 'dd_flag':
* drv_cleanup_done
* resumeflag
* Added the following flags into 'dd_flag'
* remove pending
* init done
* Removed 'ftlrebuildflag' (similar flag is already part of mti_port->flags)
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Ensure that block device is properly unregistered, if
pci_register_driver() fails.
Signed-off-by: Ryosuke Saito <raitosyo@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If a virtio disk is open in guest and a disk resize operation is done,
(virsh blockresize), new size is not visible to tools like "fdisk -l".
This seems to be happening as we update only part->nr_sects and not
bdev->bd_inode size.
Call revalidate_disk() which should take care of it. I tested growing disk
size of already open disk and it works for me.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-3.4/drivers
Konrad writes:
I've two small fixes for the xen-blkback - and I think one more will show up
eventually (a partial revert), but not sure when. So in the spirit of keeping
the patches flowing, please git pull the following branch.
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They were using the xenbus_dev_fatal() function which would
change the state of the connection immediately. Which is not
what we want when we advertise optional features.
So make 'feature-discard','feature-barrier','feature-flush-cache'
optional.
Suggested-by: Jan Beulich <JBeulich@suse.com>
[v1: Made the discard function void and static]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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The only reason for the distinction was for the special case of
'file' (which is assumed to be loopback device), was to reach inside
the loopback device, find the underlaying file, and call fallocate on it.
Fortunately "xen-blkback: convert hole punching to discard request on
loop devices" removes that use-case and we now based the discard
support based on blk_queue_discard(q) and extract all appropriate
parameters from the 'struct request_queue'.
CC: Li Dongyang <lidongyang@novell.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
[v1: Dropping pointless initializer and keeping blank line]
[v2: Remove the kfree as it is not used anymore]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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and start port in mtip_restart_port()
This patch includes two changes:
* fix incorrect value set for drv_cleanup_done
* re-initialize and start port in mtip_restart_port()
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The total number of scatter gather elements in the CISS command
used by the scsi tape code was being cast to a u8, which can hold
at most 255 scatter gather elements. It should have been cast to
a u16. Without this patch the command gets rejected by the controller
since the total scatter gather count did not add up to the right
value resulting in an i/o error.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The default is too small (1024 blocks), use h->cciss_max_sectors (8192 blocks)
Without this change, if you try to set the block size of a tape drive above
512*1024, via "mt -f /dev/st0 setblk nnn" where nnn is greater than 524288,
it won't work right.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch moves the global blkif_io_lock to the per-device structure. The
spinlock seems to exists for two reasons: to disable IRQs when in the interrupt
handlers for blkfront, and to protect the blkfront VBDs when a detachment is
requested.
Having a global blkif_io_lock doesn't make sense given the use case, and it
drastically hinders performance due to contention. All VBDs with pending IOs
have to take the lock in order to get work done, which serializes everything
pretty badly.
Signed-off-by: Steven Noonan <snoonan@amazon.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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We should hang onto bdev until we're done with it.
Signed-off-by: Andrew Jones <drjones@redhat.com>
[v1: Fixed up git commit description]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Use bitmap_set and bitmap_clear rather than modifying individual bits
in a memory region.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xensource.com
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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The OMAP driver needs a 'depends on ARCH_OMAP2PLUS' since it only
builds for OMAP2+ platforms.
This 'depends on' was in the original patch from Russell King, but was
erroneously removed by me when making this option user-selectable in
commit b09db45c (cpufreq: OMAP driver depends CPUfreq tables.) This
patch remedies that.
Apologies to Russell King for breaking his originally working patch.
Also, thanks to Grazvydas Ignotas for reporting the same problem.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon patches from Guenter Roeck:
"Fix build warnings in four drivers"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus_core) Fix compiler warning
hwmon: (smsc47m1) Fix compiler warning
hwmon: (acpi_power_meter) Fix compiler warning seen in some configurations
hwmon: (smsc47b397) Fix compiler warning
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Some configurations produce the following compiler warning:
drivers/hwmon/pmbus/pmbus_core.c: In function 'pmbus_show_boolean':
drivers/hwmon/pmbus/pmbus_core.c:752: warning: 'val' may be used uninitialized in this function
While this is a false positive, it can easily be fixed by overloading the return
value from pmbus_get_boolean with both val and error return code (val is a
boolean and thus never negative).
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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Some configurations produce the following compiler warning:
drivers/hwmon/smsc47m1.c: In function 'sm_smsc47m1_init':
drivers/hwmon/smsc47m1.c:938: warning: 'address' may be used uninitialized in this function
While this is a false positive, it can easily be fixed by overloading the return
value from smsc47m1_find with both address and error return code (the address
is an unsigned short and thus never negative). This also reduces module size by
a few bytes (46 bytes for x86_64).
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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In some configurations, BUG() does not result in an endless loop but returns
to the caller. This results in the following compiler warning:
drivers/hwmon/acpi_power_meter.c: In function 'show_str':
drivers/hwmon/acpi_power_meter.c:380: warning: 'val' may be used uninitialized in this function
Fix the warning by setting val to an empty string after BUG().
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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Some configurations produce the following compiler warning:
drivers/hwmon/smsc47b397.c: In function 'smsc47b397_init':
drivers/hwmon/smsc47b397.c:385: warning: 'address' may be used uninitialized in this function
While this is a false positive, it can easily be fixed by overloading the return
value from smsc47b397_find with both address and error return code (the address
is an unsigned short and thus never negative). This also reduces module size by
a few bytes (64 bytes for x86_64).
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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Pull GPIO bug fixes from Grant Likely:
"Miscellaneous bug fixes to GPIO drivers and for a corner case in the
gpio device tree parsing code."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
gpio/exynos: Fix compiler warning in gpio-samsung.c file
gpio: Fix range check in of_gpio_simple_xlate()
gpio: Fix uninitialized variable bit in adp5588_irq_handler
gpio/sodaville: Convert sodaville driver to new irqdomain API
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Fixes the following warning when "SAMSUNG EXYNOS5" is not selected:
warning: ‘exynos5_gpios_1’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_2’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_3’ defined but not used [-Wunused-variable]
warning: ‘exynos5_gpios_4’ defined but not used [-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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of_gpio_simple_xlate() has an off-by-one bug where it checks to see if
args[0] is > ngpio instead of >=. args[0] must always be less than
ngpio because it is a zero-based enumeration.
Signed-off-by: Roland Stigge <stigge@antcom.de>
[grant.likely: beef up commit text]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The variable 'bit' is uninitialized in the first iteration of for
loop. Fix it.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The irqdomain api changed significantly in v3.4 which caused a build
failure for this driver.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Hans J. Koch <hjk@linutronix.de>
Cc: Torben Hohn <torbenh@linutronix.de>
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Pull SPI bug fixes from Grant Likely:
"Miscellaneous driver bug fixes. No major changes in this branch."
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
spi/imx: prevent NULL pointer dereference in spi_imx_probe()
spi/imx: mark base member in spi_imx_data as __iomem
spi/mpc83xx: fix NULL pdata dereference bug
spi/davinci: Fix DMA API usage in davinci
spi/pL022: include types.h to remove compilation warnings
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When no platform_data is present and either 'spi-num-chipselects' is
not defined in the DT or 'cs-gpios' has less entries than
'spi-num-chipselects' specifies, the NULL platform_data pointer is
being dereferenced.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This fixes 36 sparse warnings like:
drivers/spi/spi-imx.c:143:1: warning: incorrect type in argument 1 (different address spaces)
drivers/spi/spi-imx.c:143:1: expected void const volatile [noderef] <asn:2>*<noident>
drivers/spi/spi-imx.c:143:1: got void *
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Commit 178db7d3, "spi: Fix device unregistration when unregistering
the bus master", changed device initialization to be children of the
bus master, not children of the bus masters parent device. The pdata
pointer used in fsl_spi_chipselect must updated to reflect the changed
initialization.
Signed-off-by: Kenth Eriksson <kenth.eriksson@transmode.com>
Acked-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The driver uses NULL for dma_unmap_single instead of
the struct device that the API expects.
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Tested-by: Akshay Shankarmurthy <akshay.s@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband fix from Roland Dreier:
"Add a fix for a bug hit by Alexey Shvetsov in ib_srtp that hits on
non-mlx4 hardware."
* tag 'srpt-srq-type' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/srpt: Set srq_type to IB_SRQT_BASIC
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