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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine
Pull dmaengine changes from Dan
1/ Bartlomiej and Dan finalized a rework of the dma address unmap
implementation.
2/ In the course of testing 1/ a collection of enhancements to dmatest
fell out. Notably basic performance statistics, and fixed / enhanced
test control through new module parameters 'run', 'wait', 'noverify',
and 'verbose'. Thanks to Andriy and Linus for their review.
3/ Testing the raid related corner cases of 1/ triggered bugs in the
recently added 16-source operation support in the ioatdma driver.
4/ Some minor fixes / cleanups to mv_xor and ioatdma.
Conflicts:
drivers/dma/dmatest.c
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Remove no longer needed DMA unmap flags:
- DMA_COMPL_SKIP_SRC_UNMAP
- DMA_COMPL_SKIP_DEST_UNMAP
- DMA_COMPL_SRC_UNMAP_SINGLE
- DMA_COMPL_DEST_UNMAP_SINGLE
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Jon Mason <jon.mason@intel.com>
Acked-by: Mark Brown <broonie@linaro.org>
[djbw: clean up straggling skip unmap flags in ntb]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This patch fixes regression introduced in commit 5c77879ff9ab9e7
"[media] v4l2-dev: add new VFL_DIR_ defines" caused by not initializing
the vfl_dir field of the vfd_decoder instance of struct video_device,
after the field was introduced. It precluded calling the driver's ioctls
which require vfl_dir not to be equal to VFL_DIR_RX which is defined as
0 and uninitialized vfl_dir field is interpreted as such. In effect the
test in the v4l_s_fmt function failed for the ioctls that expect is_tx
to be false, which prevented the ioctl callbacks registered by the driver
from being called.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Smatch complains about the locking here because we mix spin_lock_irq()
with spin_lock_irqsave() in an unusual way. According to Smatch, it's
not always clear if the IRQs are enabled or disabled when we return. It
turns out this function is always called with IRQs enabled and we can
just use spin_lock_irq().
It's called from __enqueue_in_driver().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The "i < " part of the "i < ARRAY_SIZE()" condition was missing.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[g.liakhovetski@gmx.de: remove unrelated superfluous braces]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"Here's the powerpc batch for this merge window. Some of the
highlights are:
- A bunch of endian fixes ! We don't have full LE support yet in that
release but this contains a lot of fixes all over arch/powerpc to
use the proper accessors, call the firmware with the right endian
mode, etc...
- A few updates to our "powernv" platform (non-virtualized, the one
to run KVM on), among other, support for bridging the P8 LPC bus
for UARTs, support and some EEH fixes.
- Some mpc51xx clock API cleanups in preparation for a clock API
overhaul
- A pile of cleanups of our old math emulation code, including better
support for using it to emulate optional FP instructions on
embedded chips that otherwise have a HW FPU.
- Some infrastructure in selftest, for powerpc now, but could be
generalized, initially used by some tests for our perf instruction
counting code.
- A pile of fixes for hotplug on pseries (that was seriously
bitrotting)
- The usual slew of freescale embedded updates, new boards, 64-bit
hiberation support, e6500 core PMU support, etc..."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (146 commits)
powerpc: Correct FSCR bit definitions
powerpc/xmon: Fix printing of set of CPUs in xmon
powerpc/pseries: Move lparcfg.c to platforms/pseries
powerpc/powernv: Return secondary CPUs to firmware on kexec
powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32
powerpc: Cleanup handling of the DSCR bit in the FSCR register
powerpc/pseries: Child nodes are not detached by dlpar_detach_node
powerpc/pseries: Add mising of_node_put in delete_dt_node
powerpc/pseries: Make dlpar_configure_connector parent node aware
powerpc/pseries: Do all node initialization in dlpar_parse_cc_node
powerpc/pseries: Fix parsing of initial node path in update_dt_node
powerpc/pseries: Pack update_props_workarea to map correctly to rtas buffer header
powerpc/pseries: Fix over writing of rtas return code in update_dt_node
powerpc/pseries: Fix creation of loop in device node property list
powerpc: Skip emulating & leave interrupts off for kernel program checks
powerpc: Add more exception trampolines for hypervisor exceptions
powerpc: Fix location and rename exception trampolines
powerpc: Add more trap names to xmon
powerpc/pseries: Add a warning in the case of cross-cpu VPA registration
powerpc: Update the 00-Index in Documentation/powerpc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"This series contains:
- Exynos s5p-mfc driver got support for VP8 encoder
- Some SoC drivers gained support for asynchronous registration
(needed for DT)
- The RC subsystem gained support for RC activity LED;
- New drivers added: a video decoder(adv7842), a video encoder
(adv7511), a new GSPCA driver (stk1135) and support for Renesas
R-Car (vsp1)
- the first SDR kernel driver: mirics msi3101. Due to some troubles
with the driver, and because the API is still under discussion, it
will be merged at staging for 3.12. Need to rework on it
- usual new boards additions, fixes, cleanups and driver
improvements"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (242 commits)
[media] cx88: Fix regression: CX88_AUDIO_WM8775 can't be 0
[media] exynos4-is: Fix entity unregistration on error path
[media] exynos-gsc: Register v4l2 device
[media] exynos4-is: Fix fimc-lite bayer formats
[media] em28xx: fix assignment of the eeprom data
[media] hdpvr: fix iteration over uninitialized lists in hdpvr_probe()
[media] usbtv: Throw corrupted frames away
[media] usbtv: Fix deinterlacing
[media] v4l2: added missing mutex.h include to v4l2-ctrls.h
[media] DocBook: upgrade media_api DocBook version to 4.2
[media] ml86v7667: fix compile warning: 'ret' set but not used
[media] s5p-g2d: Fix registration failure
[media] media: coda: Fix DT driver data pointer for i.MX27
[media] s5p-mfc: Fix input/output format reporting
[media] v4l: vsp1: Fix mutex double lock at streamon time
[media] v4l: vsp1: Add support for RT clock
[media] v4l: vsp1: Initialize media device bus_info field
[media] davinci: vpif_capture: fix error return code in vpif_probe()
[media] davinci: vpif_display: fix error return code in vpif_probe()
[media] MAINTAINERS: add entries for adv7511 and adv7842
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Highlights:
- OF and ACPI helpers are now included in the core, and not in
external files anymore. This removes dependency problems for
modules and is cleaner, in general.
- mv64xxx-driver gains fifo usage to support mv78230
- imx-driver overhaul to support VF610
- various cleanups, most notably related to devm_* and CONFIG_PM
usage
- driver bugfixes and smaller feature additions"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits)
i2c: rcar: add rcar-H2 support
i2c: sirf: retry 3 times as sometimes we get random noack and timeout
i2c: sirf: support reverse direction of address
i2c: sirf: fix the typo for setting bitrate to less than 100k
i2c: sirf: we need to wait I2C_RESET status in resume
i2c: sirf: reset i2c controller early after we get a noack
i2c: designware: get SDA hold time, HCNT and LCNT configuration from ACPI
i2c: designware: make HCNT/LCNT values configurable
i2c: mpc: cleanup clock API use
i2c: pnx: fix error return code in i2c_pnx_probe()
i2c: ismt: add error return code in probe()
i2c: mv64xxx: fix typo in binding documentation
i2c: imx: use exact SoC revision to document binding
i2c: move ACPI helpers into the core
i2c: move OF helpers into the core
i2c: mv64xxx: Fix timing issue on Armada XP (errata FE-8471889)
i2c: mv64xxx: Add I2C Transaction Generator support
i2c: powermac: fix return path on error
Documentation: i2c: Fix example in instantiating-devices
i2c: tiny-usb: do not use stack as URB transfer_buffer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull PTR_RET() removal patches from Rusty Russell:
"PTR_RET() is a weird name, and led to some confusing usage. We ended
up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.
This has been sitting in linux-next for a whole cycle"
[ There are still some PTR_RET users scattered about, with some of them
possibly being new, but most of them existing in Rusty's tree too. We
have that
#define PTR_RET(p) PTR_ERR_OR_ZERO(p)
thing in <linux/err.h>, so they continue to work for now - Linus ]
* tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
GFS2: Replace PTR_RET with PTR_ERR_OR_ZERO
Btrfs: volume: Replace PTR_RET with PTR_ERR_OR_ZERO
drm/cma: Replace PTR_RET with PTR_ERR_OR_ZERO
sh_veu: Replace PTR_RET with PTR_ERR_OR_ZERO
dma-buf: Replace PTR_RET with PTR_ERR_OR_ZERO
drivers/rtc: Replace PTR_RET with PTR_ERR_OR_ZERO
mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
staging/zcache: don't use PTR_RET().
remoteproc: don't use PTR_RET().
pinctrl: don't use PTR_RET().
acpi: Replace weird use of PTR_RET.
s390: Replace weird use of PTR_RET.
PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
PTR_RET is now PTR_ERR_OR_ZERO
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This patch corrects media entities unregistration order to make sure
the fimc.N.capture and fimc-lite video nodes are unregistered with
fimc->lock mutex held. This prevents races between video device open()
and defered probing and NULL pointer dereference in open() callback
as follows:
[ 77.645000] Unable to handle kernel NULL pointer dereference at virtual address 00000290t
[ 77.655000] pgd = ee7a8000
[ 77.660000] [00000290] *pgd=6e13c831, *pte=00000000, *ppte=00000000
[ 77.665000] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[ 77.670000] Modules linked in: s5p_fimc ipv6 exynos_fimc_is exynos_fimc_lite
s5p_csis v4l2_mem2mem videobuf2_dma_contig videobuf2_memops exynos4_is_common videobuf2_core [last unloaded: s5p_fimc]
[ 77.685000] CPU: 0 PID : 2998 Comm: v4l_id Tainted: G W 3.10.0-next-20130709-00039-g39f491b-dirty #1548
[ 77.695000] task: ee084000 ti: ee46e000 task.ti: ee46e000
[ 77.700000] PC is at __mutex_lock_slowpath+0x54/0x368
[ 77.705000] LR is at __mutex_lock_slowpath+0x24/0x368
[ 77.710000] pc : [<c038dc10>] lr : [<c038dbe0>] psr: 60000093
[ 77.710000] sp : ee46fd70 ip : 000008c8 fp : c054e34c
[ 77.725000] r10: ee084000 r9 : 00000000 r8 : ee439480
[ 77.730000] r7 : ee46e000 r6 : 60000013 r5 : 00000290 r4 : 0000028c
[ 77.735000] r3 : 00000000 r2 : 00000000 r1 : 20000093 r0 : 00000001
[ 77.740000] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
[ 77.750000] Control: 10c5387d Table: 6e7a804a DAC: 00000015
[ 77.755000] Process v4l_id (pid: 2998, stack limit = 0xee46e238)
[ 77.760000] Stack: (0xee46fd70 to 0xee470000)
...
[ 77.935000] [<c038dc10>] (__mutex_lock_slowpath+0x54/0x368) from [<c038df30>] (mutex_lock+0xc/0x24)
[ 77.945000] [<c038df30>] (mutex_lock+0xc/0x24) from [<bf03fa90>] (fimc_lite_open+0x12c/0x2bc [exynos_fimc_lite])
[ 77.955000] [<bf03fa90>] (fimc_lite_open+0x12c/0x2bc [exynos_fimc_lite]) from [<c02ab11c>] (v4l2_open+0xa0/0xe0)
[ 77.965000] [<c02ab11c>] (v4l2_open+0xa0/0xe0) from [<c00b1de4>] (chrdev_open+0x88/0x170)
[ 77.975000] [<c00b1de4>] (chrdev_open+0x88/0x170) from [<c00ac710>] (do_dentry_open.isra.14+0x1d8/0x258)
[ 77.985000] [<c00ac710>] (do_dentry_open.isra.14+0x1d8/0x258) from [<c00ac860>] (finish_open+0x20/0x38)
[ 77.995000] [<c00ac860>] (finish_open+0x20/0x38) from [<c00ba658>] (do_last.isra.43+0x538/0xb1c)
[ 78.000000] [<c00ba658>] (do_last.isra.43+0x538/0xb1c) from [<c00bacf0>] (path_openat+0xb4/0x5c4)
[ 78.010000] [<c00bacf0>] (path_openat+0xb4/0x5c4) from [<c00bb4b4>] (do_filp_open+0x2c/0x80)
[ 78.020000] [<c00bb4b4>] (do_filp_open+0x2c/0x80) from [<c00ad744>] (do_sys_open+0xf4/0x1a8)
[ 78.025000] [<c00ad744>] (do_sys_open+0xf4/0x1a8) from [<c000e320>] (ret_fast_syscall+0x0/0x30)
[ 78.035000] Code: 1a000093 e10f6000 f10c0080 e2845004 (e1953f9f)
Reported-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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Gscaler video device registration was happening without reference to
a parent v4l2_dev causing probe to fail. The patch creates a parent
v4l2 device and uses it for the gsc m2m video device registration.
This fixes regression introduced with comit commit 1c1d86a1ea07506
[media] v4l2: always require v4l2_dev, rename parent to dev_parent
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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The 10-bit and 12-bit Bayer output formats supported by FIMC-LITE
actually use 16 bits where the extra bits are padded with zeros.
The patch corrects buffer allocation for these two formats by
modifying the depth field. This prevents memory corruption by the
output DMA due to insufficient buffer size.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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Commit 1c1d86a1ea ("[media] v4l2: always require v4l2_dev,
rename parent to dev_parent") expects v4l2_dev to be always set.
It converted most of the drivers using the parent field of video_device
to v4l2_dev field. G2D driver did not set the parent field. Hence it got
left out. Without this patch we get the following boot warning and G2D
driver fails to register the video device.
WARNING: CPU: 0 PID: 1 at drivers/media/v4l2-core/v4l2-dev.c:775 __video_register_device+0xfc0/0x1028()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.11.0-rc1-00001-g1c3e372-dirty #9
[<c0014b7c>] (unwind_backtrace+0x0/0xf4) from [<c0011524>] (show_stack+0x10/0x14)
[<c0011524>] (show_stack+0x10/0x14) from [<c041d7a8>] (dump_stack+0x7c/0xb0)
[<c041d7a8>] (dump_stack+0x7c/0xb0) from [<c001dc94>] (warn_slowpath_common+0x6c/0x88)
[<c001dc94>] (warn_slowpath_common+0x6c/0x88) from [<c001dd4c>] (warn_slowpath_null+0x1c/0x24)
[<c001dd4c>] (warn_slowpath_null+0x1c/0x24) from [<c02cf8d4>] (__video_register_device+0xfc0/0x1028)
[<c02cf8d4>] (__video_register_device+0xfc0/0x1028) from [<c0311a94>] (g2d_probe+0x1f8/0x398)
[<c0311a94>] (g2d_probe+0x1f8/0x398) from [<c0247d54>] (platform_drv_probe+0x14/0x18)
[<c0247d54>] (platform_drv_probe+0x14/0x18) from [<c0246b10>] (driver_probe_device+0x108/0x220)
[<c0246b10>] (driver_probe_device+0x108/0x220) from [<c0246cf8>] (__driver_attach+0x8c/0x90)
[<c0246cf8>] (__driver_attach+0x8c/0x90) from [<c0245050>] (bus_for_each_dev+0x60/0x94)
[<c0245050>] (bus_for_each_dev+0x60/0x94) from [<c02462c8>] (bus_add_driver+0x1c0/0x24c)
[<c02462c8>] (bus_add_driver+0x1c0/0x24c) from [<c02472d0>] (driver_register+0x78/0x140)
[<c02472d0>] (driver_register+0x78/0x140) from [<c00087c8>] (do_one_initcall+0xf8/0x144)
[<c00087c8>] (do_one_initcall+0xf8/0x144) from [<c05b29e8>] (kernel_init_freeable+0x13c/0x1d8)
[<c05b29e8>] (kernel_init_freeable+0x13c/0x1d8) from [<c041a108>] (kernel_init+0xc/0x160)
[<c041a108>] (kernel_init+0xc/0x160) from [<c000e2f8>] (ret_from_fork+0x14/0x3c)
---[ end trace 4e0ec028b0028e02 ]---
s5p-g2d 12800000.g2d: Failed to register video device
s5p-g2d: probe of 12800000.g2d failed with error -22
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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The data pointer should point to DT data, and not to the ID
array.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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The video encode/decode paths have duplicated logic between
VIDIOC_TRY_FMT and VIDIOC_S_FMT that should be de-duped. Also, video
decode reports V4L2_PIX_FMT_NV12MT_16X16 output format, regardless of
what the actual output has been set at. Fix this.
Signed-off-by: John Sheu <sheu@google.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
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A mutex_lock() was left when the driver was converted to use the vb2
ioctl helpers, resulting in a deadlock at streamon time. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The VSPR and VSPS instances use two clocks, the VSP1 system clock and
the VSP1 realtime clock. Both of them need to be enabled to access the
VSP1 registers.
Add support for an optional RT clock and enable/disable it along with
the system clock.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Fill bus_info with the VSP1 platform device name
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Fix to return -ENODEV in the subdevice register error handling
case instead of 0, as done elsewhere in this function.
Introduced by commit 873229e4fdf34196aa5d707957c59ba54c25eaba
([media] media: davinci: vpif: capture: add V4L2-async support)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Fix to return -ENODEV in the subdevice register error handling
case instead of 0, as done elsewhere in this function.
Introduce by commit 4b8a531e6bb0686203e9cf82a54dfe189de7d5c2.
([media] media: davinci: vpif: display: add V4L2-async support)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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As reported by: kbuild test robot <fengguang.wu@intel.com>:
drivers/media/platform/vsp1/vsp1_drv.c:434:21: sparse: cast removes address space of expression
433 vsp1->mmio = devm_ioremap_resource(&pdev->dev, io);
> 434 if (IS_ERR((void *)vsp1->mmio))
> 435 return PTR_ERR((void *)vsp1->mmio);
There's no need to convert it to void *.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Because "i" is unsigned then "i-- >= 0" is always true. If we don't
find what we are looking for then we loop forever.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Include the v4l2-dv-timings.h header file which in the s5p-tv driver which
was supposed to be updated in commit 2576415846bcbad3c0a6885fc44f95083710
"[media] v4l2: move dv-timings related code to v4l2-dv-timings.c"
This fixes following build error:
drivers/media/platform/s5p-tv/hdmi_drv.c: In function ‘hdmi_s_dv_timings’:
drivers/media/platform/s5p-tv/hdmi_drv.c:628:3: error: implicit declaration of function ‘v4l_match_dv_timings’
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The patch fixes following warning:
[ 9664.460000] WARNING: CPU: 0 PID: 2880 at drivers/clk/clk.c:695 __clk_unprepare+0x8c/0xa4()
[ 9664.470000] Modules linked in: m5mols s5k5baf s5p_fimc(-) ipv6 s5p_csis v4l2_mem2mem videobuf2_dma_contig videobuf2_memops exynos4_is_common videobuf2_core [last unloaded: m5mols]
[ 9664.485000] CPU: 0 PID: 2880 Comm: rmmod Tainted: G W 3.11.0-rc1-00070-ga94e22f-dirty #1558
[ 9664.495000] [<c0014aec>] (unwind_backtrace+0x0/0xf8) from [<c0011574>] (show_stack+0x10/0x14)
[ 9664.505000] [<c0011574>] (show_stack+0x10/0x14) from [<c038b248>] (dump_stack+0x6c/0xac)
[ 9664.510000] [<c038b248>] (dump_stack+0x6c/0xac) from [<c001d824>] (warn_slowpath_common+0x64/0x88)
[ 9664.520000] [<c001d824>] (warn_slowpath_common+0x64/0x88) from [<c001d864>] (warn_slowpath_null+0x1c/0x24)
[ 9664.530000] [<c001d864>] (warn_slowpath_null+0x1c/0x24) from [<c02f0b9c>] (__clk_unprepare+0x8c/0xa4)
[ 9664.540000] [<c02f0b9c>] (__clk_unprepare+0x8c/0xa4) from [<c02f0bc8>] (clk_unprepare+0x14/0x1c)
[ 9664.550000] [<c02f0bc8>] (clk_unprepare+0x14/0x1c) from [<bf191344>] (fimc_clk_put+0x3c/0x5c [s5p_fimc])
[ 9664.560000] [<bf191344>] (fimc_clk_put+0x3c/0x5c [s5p_fimc]) from [<bf1913c0>] (fimc_remove+0x5c/0x90 [s5p_fimc])
[ 9664.570000] [<bf1913c0>] (fimc_remove+0x5c/0x90 [s5p_fimc]) from [<c0219ca0>] (platform_drv_remove+0x18/0x1c)
[ 9664.580000] [<c0219ca0>] (platform_drv_remove+0x18/0x1c) from [<c021856c>] (__device_release_driver+0x70/0xcc)
[ 9664.590000] [<c021856c>] (__device_release_driver+0x70/0xcc) from [<c0218d54>] (driver_detach+0xac/0xb0)
[ 9664.595000] [<c0218d54>] (driver_detach+0xac/0xb0) from [<c021839c>] (bus_remove_driver+0x7c/0xc0)
[ 9664.605000] [<c021839c>] (bus_remove_driver+0x7c/0xc0) from [<c00659d8>] (SyS_delete_module+0x11c/0x204)
[ 9664.615000] [<c00659d8>] (SyS_delete_module+0x11c/0x204) from [<c000e360>] (ret_fast_syscall+0x0/0x30)
[ 9664.625000] ---[ end trace 662c092cce432c8d ]---
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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There is a stray '!' character so the error message never gets printed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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__is_set_init_isp_aa and fimc_is_hw_set_tune currently do not have
any callers. However these functions may be used in the future. Hence
instead of deleting them, staticize and annotate them with __maybe_unused
flag to avoid compiler warnings.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Use clk_prepare_enable()/clk_disable_unprepare() instead of
separately prearing/unparing the clk_cam clocks. This simplifies
the code that is now mostly not going to be used, function
__fimc_md_set_camclk() is only left for S5PV210 platform which
is not yet converted to Device Tree.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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fimc_md_remove()
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This fixes compilation warning:
WARNING: modpost: missing MODULE_LICENSE() in
drivers/media/platform/exynos4-is/exynos-fimc-is.o
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Set the subdevs owner module so the exynos4_fimc_is module cannot
be unloaded when the FIMC-IS driver is in use.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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If the same callbacks are used for runtime and system suspend/resume,
clocks can get disabled twice, which can lead to negative reference
counts and kernel warnings.
This patch splits suspend/resume callbacks into separate runtime and
system-wide functions, so clock gating is done correctly.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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It's the only function in v4l2-dv-timings.c with the v4l prefix instead
of v4l2. Make it consistent with the other functions.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When using devm_ioremap_resource(), we do not need to check the return value of
platform_get_resource(), so just remove it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Some resources were not being released in the error path and some were released
in the incorrect order.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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use devm_clk_get() for automatic put after device close, check for and
propagate errors when enabling clocks, need to prepare clocks before
they can get enabled, adjust code paths to correctly balance get/put and
prepare/unprepare and enable/disable calls
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Gerhard Sittig <gsi@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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If NO_DMA=y:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
Commit da508f5799659241a359e2d07abb8af905f6291c ("[media] media/v4l2:
VIDEOBUF2_DMA_CONTIG should depend on HAS_DMA") added a dependency on
HAS_DMA to VIDEO_SH_VEU, as it selects VIDEOBUF2_DMA_CONTIG.
However, this got lost in the merge conflict resolution in commit
df90e2258950fd631cdbf322c1ee1f22068391aa ("Merge branch 'devel-for-v3.10'
into v4l_for_linus").
Re-add the dependency to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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I2C of helpers used to live in of_i2c.c but experience (from SPI) shows
that it is much cleaner to have this in the core. This also removes a
circular dependency between the helpers and the core, and so we can
finally register child nodes in the core instead of doing this manually
in each driver. So, fix the drivers and documentation, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Remove unneeded error handling on the result of a call to
platform_get_resource when the value is passed to devm_ioremap_resource.
A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression pdev,res,n,e,e1;
expression ret != 0;
identifier l;
@@
- res = platform_get_resource(pdev, IORESOURCE_MEM, n);
... when != res
- if (res == NULL) { ... \(goto l;\|return ret;\) }
... when != res
+ res = platform_get_resource(pdev, IORESOURCE_MEM, n);
e = devm_ioremap_resource(e1, res);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c: In function 'sh_mobile_ceu_clock_start':
drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c:613:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When gsc is in runtime suspended state, there is no need to call
m2m_suspend during suspend and similarly, there is no need to call
m2m_resume during resume if already in runtime suspended state. This
patch adds the necessary conditions to achieve this.
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Arun Mankuzhi <arun.m@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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__fimc_is_hw_update_param is used only in this file. Make it static.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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dev->of_node could be NULL. Hence check for the same and return before
dereferencing it in the subsequent error message.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The soc-camera core does all the work on supporting asynchronous
subdevice probing, host drivers only have to pass a subdevice list to
soc-camera. Typically this list is provided by the platform.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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V4L2_MBUS_FMT_* codes are defined in v4l2-mediabus.h as hexadecimal
constants. Print them in the same form for easier recognition.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Use devm_* resource allocators to simplify the driver's probe and clean up
paths.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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With synchronous subdevice probing regulators should be requested by the
soc-camera core in soc_camera_pdrv_probe(). Subdevice drivers, supporting
asynchronous probing, call soc_camera_power_init() to request regulators.
Erroneously, the same regulator array is used in the latter case as in
the former, which leads to a failure. This patch fixes it by preventing
the second regulator request from being executed.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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media_build/v4l/soc_camera.c: In function 'soc_camera_host_register':
media_build/v4l/soc_camera.c:1513:10: warning: 'sasd' may be used uninitialized in this function [-Wmaybe-uninitialized]
snprintf(clk_name, sizeof(clk_name), "%d-%04x",
^
media_build/v4l/soc_camera.c:1464:34: note: 'sasd' was declared here
struct soc_camera_async_subdev *sasd;
^
By changing the type of 'i' to unsigned and changing a condition we finally
convince the compiler that sasd is really initialized.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add Renesas R-Car VIN (Video In) V4L2 driver.
Based on the patch by Phil Edworthy <phil.edworthy@renesas.com>.
[Sergei: removed deprecated IRQF_DISABLED flag, reordered/renamed 'enum chip_id'
values, reordered rcar_vin_id_table[] entries, removed senseless parens from
to_buf_list() macro, used ALIGN() macro in rcar_vin_setup(), added {} to the
*if* statement and used 'bool' values instead of 0/1 where necessary, removed
unused macros, done some reformatting and clarified some comments.]
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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