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This patch adds set_irq_affinity function for combiner_irq. We need this
function to enable a arm-pmu because the pmu of exynos has combined type
irqs.
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: changes moved into drivers/irqchip/]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Conflicts:
arch/arm/boot/dts/exynos4.dtsi
arch/arm/boot/dts/exynos5440.dtsi
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The functions exynos4_clk_init and exynos4_clk_register_fixed_ext
are applicable only on Exynos4 non-dt platforms. But when building
Exynos5 platforms without including Exynos4 platforms, the following
errors show up.
arch/arm/mach-exynos/built-in.o: In function `exynos_init_time':
arch/arm/mach-exynos/common.c:446: undefined reference to `exynos4_clk_init'
arch/arm/mach-exynos/common.c:447: undefined reference to `exynos4_clk_register_fixed_ext'
Fix this compilation errors by marking these calls as Exynos4 specific.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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In legacy setup, sclk_mmc{0,1,2,3} used PRE_RATIO bit-field (8-bit wide)
instead of RATIO bit-field (4-bit wide) for dividing clock rate.
With current common clock setup, we are using RATIO bit-field which
is creating FIFO read errors while accessing eMMC. Changing over to
use PRE_RATIO bit-field fixes this issue.
dwmmc_exynos 12200000.dwmmc0: data FIFO error (status=00008020)
mmcblk0: error -5 transferring data, sector 1, nr 7, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 1
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
CC: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds clock indexes for ACLK_DIV0, ACLK_DIV1,
ACLK_400_MCUISP, ACLK_MCUISP_DIV0, ACLK_MCUISP_DIV1,
DIVACLK_400_MCUISP and DIVACLK_200 so these clocks are
available to the consumers (Exynos4x12 FIMC-IS subsystem).
While at it, indentation of the mux clocks table is
corrected.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Fixes the below compilation error during non-dt build.
drivers/clk/samsung/clk.c: In function 'samsung_clk_of_register_fixed_ext':
drivers/clk/samsung/clk.c:252:2: error: implicit declaration of function 'for_each_matching_node_and_match' [-Werror=implicit-function-declaration]
drivers/clk/samsung/clk.c:252:60: error: expected ';' before '{' token
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Add gate clocks for fimd, mie, dsim, dp, mixer and hdmi.
Register it to common clock framework.
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch extends suspend/resume support for SoC-specific registers to
handle differences in register sets on particular SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds missing clock control registers to the list of registers
that should be saved across system suspend.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This register is present on all Exynos4 SoCs and so the prefix is
misleading.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This definition is specific for Exynos4210 (which has another location
than the same register on Exynos4x12 SoCs) and so needs appropriate
prefix.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds E4210 prefix to all registers related to LCD1 clock
domain, because they are present only on Exynos4210.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Current clock save list is shared for all Exynos4 SoCs, so it must
contain only registers present in all supported SoCs, because accessing
unavailable registers might have undefined effect.
This patch removes registers specific for particular SoCs from shared
save list, as they should be supported by separate SoC-specific lists.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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There are definitions of SRC_MASK_PERIL0 and SRC_MASK_PERIL1 registers,
but they are not used for clock definitions. This patch modifies related
clock definitions to use defined macros instead of numeric offsets.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds preprocessor definitions of EPLL and VPLL registers and
replaces all occurences of offsets of related registers with new
definitions.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds missing mout_sata that is a parent of div_sata clock.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The patch adds missing clocks to TOP and ISP clock domains.
It also adds clock gates for ISP sub-blocks.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds clocks needed for G3D block present on Exynos 4 SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds several gate and mux clocks related to camera and ISP
blocks.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch enables clock lookup registration for mout_core clock used in
Exynos4210 cpufreq driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Unimplemented clock operations should be simply omitted instead of returning
error values.
This patch removes unimplemented PLL operations to fix problems caused
by returning error code in round_rate callback.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch exports clocks used by Exynos cpufreq drivers to allow lookup
using device tree. (Support to cpufreq drivers will be added in further
patches.)
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The sclk_dac and sclk_mixer clocks are not present on Exynos4x12.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This clock is used by PCM interface 0.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This clock is a parent of mout_spdif and sclk_pcm0.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds missing output of mux MIPIHSI which is needed for
div_mipihsi clock.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Many clock muxes of Exynos 4x12 uses mout_mpll_user_* clocks instead of
sclk_mpll as one of their parents.
This patch moves such clocks from common array into SoC-specific arrays
and adjusts their parent lists respectively.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This clock must be exported to allow lookup using device tree.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Pull slave-dmaengine fixes from Vinod Koul:
"Two fixes for slave-dmaengine.
The first one is for making slave_id value correct for dw_dmac and
the other one fixes the endieness in DT parsing"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dw_dmac: adjust slave_id accordingly to request line base
dmaengine: dw_dma: fix endianess for DT xlate function
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"For a some fixes for Kernel 3.9:
- subsystem build fix when VIDEO_DEV=y, VIDEO_V4L2=m and I2C=m
- compilation fix for arm multiarch preventing IR_RX51 to be selected
- regression fix at bttv crop logic
- s5p-mfc/m5mols/exynos: a few fixes for cameras on exynos hardware"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] [REGRESSION] bt8xx: Fix too large height in cropcap
[media] fix compilation with both V4L2 and I2C as 'm'
[media] m5mols: Fix bug in stream on handler
[media] s5p-fimc: Do not attempt to disable not enabled media pipeline
[media] s5p-mfc: Fix encoder control 15 issue
[media] s5p-mfc: Fix frame skip bug
[media] s5p-fimc: send valid m2m ctx to fimc_m2m_job_finish
[media] exynos-gsc: send valid m2m ctx to gsc_m2m_job_finish
[media] fimc-lite: Fix the variable type to avoid possible crash
[media] fimc-lite: Initialize 'step' field in fimc_lite_ctrl structure
[media] ir: IR_RX51 only works on OMAP2
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Pull block fixes from Jens Axboe:
"Alright, this time from 10K up in the air.
Collection of fixes that have been queued up since the merge window
opened, hence postponed until later in the cycle. The pull request
contains:
- A bunch of fixes for the xen blk front/back driver.
- A round of fixes for the new IBM RamSan driver, fixing various
nasty issues.
- Fixes for multiple drives from Wei Yongjun, bad handling of return
values and wrong pointer math.
- A fix for loop properly killing partitions when being detached."
* tag 'for-linus-20130331' of git://git.kernel.dk/linux-block: (25 commits)
mg_disk: fix error return code in mg_probe()
rsxx: remove unused variable
rsxx: enable error return of rsxx_eeh_save_issued_dmas()
block: removes dynamic allocation on stack
Block: blk-flush: Fixed indent code style
cciss: fix invalid use of sizeof in cciss_find_cfgtables()
loop: cleanup partitions when detaching loop device
loop: fix error return code in loop_add()
mtip32xx: fix error return code in mtip_pci_probe()
xen-blkfront: remove frame list from blk_shadow
xen-blkfront: pre-allocate pages for requests
xen-blkback: don't store dev_bus_addr
xen-blkfront: switch from llist to list
xen-blkback: fix foreach_grant_safe to handle empty lists
xen-blkfront: replace kmalloc and then memcpy with kmemdup
xen-blkback: fix dispatch_rw_block_io() error path
rsxx: fix missing unlock on error return in rsxx_eeh_remap_dmas()
Adding in EEH support to the IBM FlashSystem 70/80 device driver
block: IBM RamSan 70/80 error message bug fix.
block: IBM RamSan 70/80 branding changes.
...
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This reverts commit 6aa9707099c4b25700940eb3d016f16c4434360d.
Commit 6aa9707099c4 ("lockdep: check that no locks held at freeze time")
causes problems with NFS root filesystems. The failures were noticed on
OMAP2 and 3 boards during kernel init:
[ BUG: swapper/0/1 still has locks held! ]
3.9.0-rc3-00344-ga937536 #1 Not tainted
-------------------------------------
1 lock held by swapper/0/1:
#0: (&type->s_umount_key#13/1){+.+.+.}, at: [<c011e84c>] sget+0x248/0x574
stack backtrace:
rpc_wait_bit_killable
__wait_on_bit
out_of_line_wait_on_bit
__rpc_execute
rpc_run_task
rpc_call_sync
nfs_proc_get_root
nfs_get_root
nfs_fs_mount_common
nfs_try_mount
nfs_fs_mount
mount_fs
vfs_kern_mount
do_mount
sys_mount
do_mount_root
mount_root
prepare_namespace
kernel_init_freeable
kernel_init
Although the rootfs mounts, the system is unstable. Here's a transcript
from a PM test:
http://www.pwsan.com/omap/testlogs/test_v3.9-rc3/20130317194234/pm/37xxevm/37xxevm_log.txt
Here's what the test log should look like:
http://www.pwsan.com/omap/testlogs/test_v3.8/20130218214403/pm/37xxevm/37xxevm_log.txt
Mailing list discussion is here:
http://lkml.org/lkml/2013/3/4/221
Deal with this for v3.9 by reverting the problem commit, until folks can
figure out the right long-term course of action.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mandeep Singh Baines <msb@chromium.org>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: <maciej.rutecki@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ben Chan <benchan@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull SCSI target fixes from Nicholas Bellinger:
"This includes the bug-fix for a >= v3.8-rc1 regression specific to
iscsi-target persistent reservation conflict handling (CC'ed to
stable), and a tcm_vhost patch to drop VIRTIO_RING_F_EVENT_IDX usage
so that in-flight qemu vhost-scsi-pci device code can detect the
proper vhost feature bits.
Also, there are two more tcm_vhost patches still being discussed by
MST and Asias for v3.9 that will be required for the in-flight qemu
vhost-scsi-pci device patch to function properly, and that should
(hopefully) be the last target fixes for this round."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix RESERVATION_CONFLICT status regression for iscsi-target special case
tcm_vhost: Avoid VIRTIO_RING_F_EVENT_IDX feature bit
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On some hardware configurations we have got the request line with the offset.
The patch introduces convert_slave_id() helper for that cases. The request line
base is came from the driver data provided by the platform_device_id table.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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As reported by Wu Fengguang's build robot tracking sparse warnings, the
dma_spec arguments in the dw_dma_xlate are already byte swapped on
little-endian platforms and must not get swapped again. This code is
currently not used anywhere, but will be used in Linux 3.10 when the
ARM SPEAr platform starts using the generic DMA DT binding.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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The Adam Belay's e-mail address in MAINTAINERS under PNP SUPPORT
is not valid any more and I started to maintain that code in the
meantime as a matter of fact, so list myself as a maintainer of it
along with Bjorn and remove the Adam's entry from it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph fix from Sage Weil:
"This fixes a regression introduced during the last merge window when
mapping non-existent images."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: don't zero-fill non-image object requests
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A result of ENOENT from a read request for an object that's part of
an rbd image indicates that there is a hole in that portion of the
image. Similarly, a short read for such an object indicates that
the remainder of the read should be interpreted a full read with
zeros filling out the end of the request.
This behavior is not correct for objects that are not backing rbd
image data. Currently rbd_img_obj_request_callback() assumes it
should be done for all objects.
Change rbd_img_obj_request_callback() so it only does this zeroing
for image objects. Encapsulate that special handling in its own
function. Add an assertion that the image object request is a bio
request, since we assume that (and we currently don't support any
other types).
This resolves a problem identified here:
http://tracker.ceph.com/issues/4559
The regression was introduced by bf0d5f503dc11d6314c0503591d258d60ee9c944.
Reported-by: Dan van der Ster <dan@vanderster.com>
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-off-by: Sage Weil <sage@inktank.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"We've had a busy two weeks of bug fixing. The biggest patches in here
are some long standing early-enospc problems (Josef) and a very old
race where compression and mmap combine forces to lose writes (me).
I'm fairly sure the mmap bug goes all the way back to the introduction
of the compression code, which is proof that fsx doesn't trigger every
possible mmap corner after all.
I'm sure you'll notice one of these is from this morning, it's a small
and isolated use-after-free fix in our scrub error reporting. I
double checked it here."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: don't drop path when printing out tree errors in scrub
Btrfs: fix wrong return value of btrfs_lookup_csum()
Btrfs: fix wrong reservation of csums
Btrfs: fix double free in the btrfs_qgroup_account_ref()
Btrfs: limit the global reserve to 512mb
Btrfs: hold the ordered operations mutex when waiting on ordered extents
Btrfs: fix space accounting for unlink and rename
Btrfs: fix space leak when we fail to reserve metadata space
Btrfs: fix EIO from btrfs send in is_extent_unchanged for punched holes
Btrfs: fix race between mmap writes and compression
Btrfs: fix memory leak in btrfs_create_tree()
Btrfs: fix locking on ROOT_REPLACE operations in tree mod log
Btrfs: fix missing qgroup reservation before fallocating
Btrfs: handle a bogus chunk tree nicely
Btrfs: update to use fs_state bit
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Commit 3e7fc708eb41 ("ia64 idle: delete pm_idle") in 3.9-rc1 didn't
finish the job, leaving an un-initialized reference to (*idle)().
[ Haven't seen a crash from this - but seems like we are just being
lucky that "idle" is zero so it does get initialized before we jump to
randomland - Len ]
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull arc architecture fixes from Vineet Gupta:
"This includes fix for a serious bug in DMA mapping API, make
allyesconfig wreckage, removal of bogus email-list placeholder in
MAINTAINERS, a typo in ptrace helper code and last remaining changes
for syscall ABI v3 which we are finally starting to transition-to
internally.
The request is late than I intended to - but I was held up with
debugging a timer link list corruption, for which a proposed fix to
generic timer code was sent out to lkml/tglx earlier today."
* 'for-curr' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Fix the typo in event identifier flags used by ptrace
arc: fix dma_address assignment during dma_map_sg()
ARC: Remove SET_PERSONALITY (tracks cross-arch change)
ARC: ABIv3: fork/vfork wrappers not needed in "no-legacy-syscall" ABI
ARC: ABIv3: Print the correct ABI ver
ARC: make allyesconfig build breakages
ARC: MAINTAINERS update for ARC
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A user reported a panic where we were panicing somewhere in
tree_backref_for_extent from scrub_print_warning. He only captured the trace
but looking at scrub_print_warning we drop the path right before we mess with
the extent buffer to print out a bunch of stuff, which isn't right. So fix this
by dropping the path after we use the eb if we need to. Thanks,
Cc: stable@vger.kernel.org
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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This patch fixes a regression introduced in v3.8-rc1 code where a failed
target_check_reservation() check in target_setup_cmd_from_cdb() was causing
an incorrect SAM_STAT_GOOD status to be returned during a WRITE operation
performed by an unregistered / unreserved iscsi initiator port.
This regression is only effecting iscsi-target due to a special case check
for TCM_RESERVATION_CONFLICT within iscsi_target_erl1.c:iscsit_execute_cmd(),
and was still correctly disallowing WRITE commands from backend submission
for unregistered / unreserved initiator ports, while returning the incorrect
SAM_STAT_GOOD status due to the missing SAM_STAT_RESERVATION_CONFLICT
assignment.
This regression was first introduced with:
commit de103c93aff0bed0ae984274e5dc8b95899badab
Author: Christoph Hellwig <hch@lst.de>
Date: Tue Nov 6 12:24:09 2012 -0800
target: pass sense_reason as a return value
Go ahead and re-add the missing SAM_STAT_RESERVATION_CONFLICT assignment
during a target_check_reservation() failure, so that iscsi-target code
sends the correct SCSI status.
All other fabrics using target_submit_cmd_*() with a RESERVATION_CONFLICT
call to transport_generic_request_failure() are not effected by this bug.
Reported-by: Jeff Leung <jleung@curriegrad2004.ca>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds a VHOST_SCSI_FEATURES mask minus VIRTIO_RING_F_EVENT_IDX
so that vhost-scsi-pci userspace will strip this feature bit once
GET_FEATURES reports it as being unsupported on the host.
This is to avoid a bug where ->handle_kicks() are missed when EVENT_IDX
is enabled by default in userspace code.
(mst: Rename to VHOST_SCSI_FEATURES + add comment)
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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programs"
This reverts commit 186930500985 ("mm: introduce VM_POPULATE flag to
better deal with racy userspace programs").
VM_POPULATE only has any effect when userspace plays racy games with
vmas by trying to unmap and remap memory regions that mmap or mlock are
operating on.
Also, the only effect of VM_POPULATE when userspace plays such games is
that it avoids populating new memory regions that get remapped into the
address range that was being operated on by the original mmap or mlock
calls.
Let's remove VM_POPULATE as there isn't any strong argument to mandate a
new vm_flag.
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some USB fixes to resolve issues reported recently, as well
as a new device id for the ftdi_sio driver."
* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
usb: Fix compile error by selecting USB_OTG_UTILS
USB: serial: fix hang when opening port
USB: EHCI: fix bug in iTD/siTD DMA pool allocation
xhci: Don't warn on empty ring for suspended devices.
usb: xhci: Fix TRB transfer length macro used for Event TRB.
usb/acpi: binding xhci root hub usb port with ACPI
usb: add find_raw_port_number callback to struct hc_driver()
usb: xhci: fix build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY/serial fixes from Greg Kroah-Hartman:
"Here are some tty/serial driver fixes for 3.9.
The big thing here is the fix for the huge mess we caused renaming the
8250 driver accidentally in the 3.7 kernel release, without realizing
that there were users of the module options that suddenly broke. This
is now resolved, and, to top the injury off, we have a backwards-
compatible option for those users who got used to the new name since
3.7. Ugh, sorry about that.
Other than that, some other minor fixes for issues that have been
reported by users."
* tag 'tty-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Xilinx: ARM: UART: clear pending irqs before enabling irqs
TTY: 8250, deprecated 8250_core.* options
TTY: 8250, revert module name change
serial: 8250_pci: Add WCH CH352 quirk to avoid Xscale detection
tty: atmel_serial_probe(): index of atmel_ports[] fix
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg Kroah-Hartman:
"Here are two tiny staging driver fixes to resolve issues that have
been reported."
* tag 'staging-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: s626: fix continuous acquisition
staging: zcache: fix typo "64_BIT"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull sysfs fixes from Greg Kroah-Hartman:
"Here are two fixes for sysfs that resolve issues that have been found
by the Trinity fuzz tool, causing oopses in sysfs. They both have
been in linux-next for a while to ensure that they do not cause any
other problems."
* tag 'driver-core-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: handle failure path correctly for readdir()
sysfs: fix race between readdir and lseek
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