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Merge tag 'media/v3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Two new dvb frontend drivers: mn88472 and mn88473
- A new driver for some PCIe DVBSky cards
- A new remote controller driver: meson-ir
- One LIRC staging driver got rewritten and promoted to mainstream:
igorplugusb
- A new tuner driver (m88rs6000t)
- The old omap2 media driver got removed from staging. This driver
uses an old DMA API and it is likely broken on recent kernels.
Nobody cared enough to fix it
- Media bus format moved to a separate header, as DRM will also use the
definitions there
- mem2mem_testdev were renamed to vim2m, in order to use the same
naming convention taken by the other virtual test driver (vivid)
- Added a new driver for coda SoC (coda-jpeg)
- The cx88 driver got converted to use videobuf2 core
- Make DMABUF export buffer to work with DMA Scatter/Gather and Vmalloc
cores
- Lots of other fixes, improvements and cleanups on the drivers.
* tag 'media/v3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (384 commits)
[media] mn88473: One function call less in mn88473_init() after error
[media] mn88473: Remove uneeded check before release_firmware()
[media] lirc_zilog: Deletion of unnecessary checks before vfree()
[media] MAINTAINERS: Add myself as img-ir maintainer
[media] img-ir: Don't set driver's module owner
[media] img-ir: Depend on METAG or MIPS or COMPILE_TEST
[media] img-ir/hw: Drop [un]register_decoder declarations
[media] img-ir/hw: Fix potential deadlock stopping timer
[media] img-ir/hw: Always read data to clear buffer
[media] redrat3: ensure dma is setup properly
[media] ddbridge: remove unneeded check before dvb_unregister_device()
[media] si2157: One function call less in si2157_init() after error
[media] tuners: remove uneeded checks before release_firmware()
[media] arm: omap2: rx51-peripherals: fix build warning
[media] stv090x: add an extra protetion against buffer overflow
[media] stv090x: Remove an unreachable code
[media] stv090x: Some whitespace cleanups
[media] em28xx: checkpatch cleanup: whitespaces/new lines cleanups
[media] si2168: add support for firmware files in new format
[media] si2168: debug printout for firmware version
...
Pull VFS changes from Al Viro:
"First pile out of several (there _definitely_ will be more). Stuff in
this one:
- unification of d_splice_alias()/d_materialize_unique()
- iov_iter rewrite
- killing a bunch of ->f_path.dentry users (and f_dentry macro).
Getting that completed will make life much simpler for
unionmount/overlayfs, since then we'll be able to limit the places
sensitive to file _dentry_ to reasonably few. Which allows to have
file_inode(file) pointing to inode in a covered layer, with dentry
pointing to (negative) dentry in union one.
Still not complete, but much closer now.
- crapectomy in lustre (dead code removal, mostly)
- "let's make seq_printf return nothing" preparations
- assorted cleanups and fixes
There _definitely_ will be more piles"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
copy_from_iter_nocache()
new helper: iov_iter_kvec()
csum_and_copy_..._iter()
iov_iter.c: handle ITER_KVEC directly
iov_iter.c: convert copy_to_iter() to iterate_and_advance
iov_iter.c: convert copy_from_iter() to iterate_and_advance
iov_iter.c: get rid of bvec_copy_page_{to,from}_iter()
iov_iter.c: convert iov_iter_zero() to iterate_and_advance
iov_iter.c: convert iov_iter_get_pages_alloc() to iterate_all_kinds
iov_iter.c: convert iov_iter_get_pages() to iterate_all_kinds
iov_iter.c: convert iov_iter_npages() to iterate_all_kinds
iov_iter.c: iterate_and_advance
iov_iter.c: macros for iterating over iov_iter
kill f_dentry macro
dcache: fix kmemcheck warning in switch_names
new helper: audit_file()
nfsd_vfs_write(): use file_inode()
ncpfs: use file_inode()
kill f_dentry uses
lockd: get rid of ->f_path.dentry->d_sb
...
The DT branch adds a lot of new stuff for additional SoC and board
support. The branch is the largest one and contains 513 out of the
total 972 non-merge arm-soc changesets for 3.19.
Most of the changes are about enabling additional on-chip devices for
existing machines, but there are also an unusual number of new SoC
types being added this time:
* AMLogic Meson8
* ARM Realview in DT mode
* Allwinner A80
* Broadcom BCM47081
* Broadcom Cygnus
* Freescale LS1021A
* Freescale Vybrid 500 series
* Mediatek MT6592, MT8127, MT8135
* STMicroelectronics STiH410
* Samsung Exynos4415
The level of support for the above differs widely, some are just
stubs with nothing more than CPU, memory and a UART, but others
are fairly complete. As usual, these get extended over time.
There are also many new boards getting added, this is the
list of model strings that are showing up in new dts files:
* ARM RealView PB1176
* Altera SOCFPGA Arria 10
* Asus RT-N18U (BCM47081)
* Buffalo WZR-1750DHP (BCM4708)
* Buffalo WZR-600DHP2 (BCM47081)
* Cygnus Enterprise Phone (BCM911360_ENTPHN)
* D-Link DIR-665
* Google Spring
* IGEP COM MODULE Rev. G (TI OMAP AM/DM37x)
* IGEPv2 Rev. F (TI OMAP AM/DM37x)
* LS1021A QDS Board
* LS1021A TWR Board
* LeMaker Banana Pi
* MarsBoard RK3066
* MediaTek MT8127 Moose Board
* MediaTek MT8135 evaluation board
* Mele M3
* Merrii A80 Optimus Board
* Netgear R6300 V2 (BCM4708)
* Nomadik STN8815NHK
* NovaTech OrionLXm
* Olimex A20-OLinuXino-LIME2
* Raspberry Pi Model B+
* STiH410 B2120
* Samsung Monk board
* Samsung Rinato board
* Synology DS213j
* Synology DS414
* TBS2910 Matrix ARM mini PC
* TI AM5728 BeagleBoard-X15
* Toradex Colibri VF50 on Colibri Evaluation Board
* Zynq ZYBO Development Board
Other notable changes include:
* exynos: cleanup of existing dts files
* mvebu: improved pinctrl support for Armada 370/XP
* nomadik: restructuring dts files
* omap: added CAN bus support
* shmobile: added clock support for some SoCs
* shmobile: added sound support for some SoCs
* sirf: reset controller support
* sunxi: continuing the relicensing under dual GPL/MIT
* sunxi: lots of new on-chip device support
* sunxi: working simplefb support (long awaited)
* various: provide stdout-path property for earlycon
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Arnd Bergmann:
"The DT branch adds a lot of new stuff for additional SoC and board
support. The branch is the largest one and contains 513 out of the
total 972 non-merge arm-soc changesets for 3.19.
Most of the changes are about enabling additional on-chip devices for
existing machines, but there are also an unusual number of new SoC
types being added this time:
- AMLogic Meson8
- ARM Realview in DT mode
- Allwinner A80
- Broadcom BCM47081
- Broadcom Cygnus
- Freescale LS1021A
- Freescale Vybrid 500 series
- Mediatek MT6592, MT8127, MT8135
- STMicroelectronics STiH410
- Samsung Exynos4415
The level of support for the above differs widely, some are just stubs
with nothing more than CPU, memory and a UART, but others are fairly
complete. As usual, these get extended over time.
There are also many new boards getting added, this is the list of
model strings that are showing up in new dts files:
- ARM RealView PB1176
- Altera SOCFPGA Arria 10
- Asus RT-N18U (BCM47081)
- Buffalo WZR-1750DHP (BCM4708)
- Buffalo WZR-600DHP2 (BCM47081)
- Cygnus Enterprise Phone (BCM911360_ENTPHN)
- D-Link DIR-665
- Google Spring
- IGEP COM MODULE Rev. G (TI OMAP AM/DM37x)
- IGEPv2 Rev. F (TI OMAP AM/DM37x)
- LS1021A QDS Board
- LS1021A TWR Board
- LeMaker Banana Pi
- MarsBoard RK3066
- MediaTek MT8127 Moose Board
- MediaTek MT8135 evaluation board
- Mele M3
- Merrii A80 Optimus Board
- Netgear R6300 V2 (BCM4708)
- Nomadik STN8815NHK
- NovaTech OrionLXm
- Olimex A20-OLinuXino-LIME2
- Raspberry Pi Model B+
- STiH410 B2120
- Samsung Monk board
- Samsung Rinato board
- Synology DS213j
- Synology DS414
- TBS2910 Matrix ARM mini PC
- TI AM5728 BeagleBoard-X15
- Toradex Colibri VF50 on Colibri Evaluation Board
- Zynq ZYBO Development Board
Other notable changes include:
- exynos: cleanup of existing dts files
- mvebu: improved pinctrl support for Armada 370/XP
- nomadik: restructuring dts files
- omap: added CAN bus support
- shmobile: added clock support for some SoCs
- shmobile: added sound support for some SoCs
- sirf: reset controller support
- sunxi: continuing the relicensing under dual GPL/MIT
- sunxi: lots of new on-chip device support
- sunxi: working simplefb support (long awaited)
- various: provide stdout-path property for earlycon"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (510 commits)
ARM: dts: rk3288: add arm,cpu-registers-not-fw-configured
Revert "ARM: dts: rockchip: temporarily disable smp on rk3288"
ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2
ARM: BCM5301X: Add DT for Asus RT-N18U
ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP
ARM: BCM5301X: Add DT for Netgear R6300 V2
ARM: BCM5301X: Add buttons for Netgear R6250
ARM: dts: rockchip: Add input voltage supply regulators in pmic for Marsboard
ARM: BCM5301X: Add IRQs to Broadcom's bus-axi in DTS file
arm: dts: zynq: Add Digilent ZYBO board
arm: dts: zynq: Move crystal freq. to board level
doc: dt: vendor-prefixes: Add Digilent Inc
Documentation: devicetree: Fix Xilinx VDMA specification
ARM: dts: rockchip: set FIFO size for SDMMC, SDIO and EMMC on rk3066 and rk3188
ARM: dts: rockchip: add label property for leds on Radxa Rock
ARM: BCM5301X: Add LEDs for Netgear R6250 V1
ARM: BCM5301X: Add Broadcom's bus-axi to the DTS file
ARM: dts: add sysreg phandle to i2c device nodes for exynos
ARM: dts: Remove unused bootargs from exynos3250-rinato
ARM: dts: add board dts file for Exynos3250-based Monk board
...
The release_firmware() function was called by the mn88473_init() function even
if a previous function call "request_firmware" failed.
This implementation detail could be improved by the introduction of another
jump label.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The release_firmware() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The vfree() function performs also input parameter validation. Thus the test
around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Querycap shouldn't set the version field (the core does that for you),
but it should set the device_caps field.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The DLink GO-USB-N150 with revision B1 uses this driver.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In commit fadbe0cd52 entitled "staging:
rtl8188eu:Remove rtw_zmalloc(), wrapper for kzalloc()", the author failed
to note that the original code in the wrapper tested whether the caller
could sleep, and set the flags argument to kzalloc() appropriately.
After the patch, GFP_KERNEL is used unconditionally. Unfortunately, several
of the routines may be entered from an interrupt routine and generate
a BUG splat for every such call. Routine rtw_sitesurvey_cmd() is used in the
example below:
BUG: sleeping function called from invalid context at mm/slub.c:1240
in_atomic(): 1, irqs_disabled(): 0, pid: 756, name: wpa_supplicant
INFO: lockdep is turned off.
CPU: 2 PID: 756 Comm: wpa_supplicant Tainted: G WC O 3.18.0-rc4+ #34
Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.20 04/17/2014
ffffc90005557000 ffff880216fafaa8 ffffffff816b0bbf 0000000000000000
ffff8800c3b58000 ffff880216fafac8 ffffffff8107af77 0000000000000001
0000000000000010 ffff880216fafb18 ffffffff811b06ce 0000000000000000
Call Trace:
[<ffffffff816b0bbf>] dump_stack+0x4e/0x71
[<ffffffff8107af77>] __might_sleep+0xf7/0x120
[<ffffffff811b06ce>] kmem_cache_alloc_trace+0x4e/0x1f0
[<ffffffffa0888226>] ? rtw_sitesurvey_cmd+0x56/0x2a0 [r8188eu]
[<ffffffffa0888226>] rtw_sitesurvey_cmd+0x56/0x2a0 [r8188eu]
[<ffffffffa088f00d>] rtw_do_join+0x22d/0x370 [r8188eu]
[<ffffffffa088f6e8>] rtw_set_802_11_ssid+0x218/0x3d0 [r8188eu]
[<ffffffffa08c3ca5>] rtw_wx_set_essid+0x1e5/0x410 [r8188eu]
[<ffffffffa08c3ac0>] ? rtw_wx_get_rate+0x50/0x50 [r8188eu]
[<ffffffff816938f1>] ioctl_standard_iw_point+0x151/0x3f0
[<ffffffff81693d52>] ioctl_standard_call+0xb2/0xe0
[<ffffffff81597df7>] ? rtnl_lock+0x17/0x20
[<ffffffff816945a0>] ? iw_handler_get_private+0x70/0x70
[<ffffffff81693ca0>] ? call_commit_handler+0x40/0x40
[<ffffffff81693256>] wireless_process_ioctl+0x176/0x1c0
[<ffffffff81693e79>] wext_handle_ioctl+0x69/0xc0
[<ffffffff8159fe79>] dev_ioctl+0x309/0x5e0
[<ffffffff810be9c7>] ? call_rcu+0x17/0x20
[<ffffffff8156a472>] sock_ioctl+0x142/0x2e0
[<ffffffff811e0c70>] do_vfs_ioctl+0x300/0x520
[<ffffffff81101514>] ? __audit_syscall_entry+0xb4/0x110
[<ffffffff81101514>] ? __audit_syscall_entry+0xb4/0x110
[<ffffffff810102bc>] ? do_audit_syscall_entry+0x6c/0x70
[<ffffffff811e0f11>] SyS_ioctl+0x81/0xa0
[<ffffffff816ba1d2>] system_call_fastpath+0x12/0x17
Additional routines that generate this BUG are rtw_joinbss_cmd(),
rtw_dynamic_chk_wk_cmd(), rtw_lps_ctrl_wk_cmd(), rtw_rpt_timer_cfg_cmd(),
rtw_ps_cmd(), report_survey_event(), report_join_res(), survey_timer_hdl(),
and rtw_check_bcn_info().
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The omap2 media driver got removed. Remove a left-over for
tcm825x driver that were also at omap2 tree.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Simple style fix (checkpatch.pl: "space prohibited before that ','").
For the eudyptula challenge (http://eudyptula-challenge.org/).
Signed-off-by: Christian F. Resell <christian.resell@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The omap2 camera driver and the tcm825x sensor driver have been
deprecated for a year and are now being removed. They are unmaintained
and they use an internal API that has long since been superseded by a
much better API. Worse, that internal API has been abused by out-of-kernel
trees (i.MX6).
In addition, Sakari stated that these drivers have never been in a
usable state in the mainline kernel due to missing platform data.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Cc: David Cohen <dacohen@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This patch adds the correct vendor-prefix for device isl29028 and
maintains deprecated vendor-prefix found by checkpatch warning
for older kernel releases.
Signed-off-by: Darshana Padmadas <darshanapadmadas@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
In order to have subsytem agnostic media bus format definitions we've
moved media bus definition to include/uapi/linux/media-bus-format.h and
prefixed values with MEDIA_BUS_FMT instead of V4L2_MBUS_FMT.
Reference new definitions in all media drivers residing in staging.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
It is not ready enough to be released on mainline.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
It is not ready enough to be released on mainline.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Needed due to some important regression fixes at RC core.
* commit 'v3.18-rc4': (587 commits)
Linux 3.18-rc4
ARM: dts: zynq: Enable PL clocks for Parallella
tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
tiny: reverse logic for DISABLE_DEV_COREDUMP
i2c: core: Dispose OF IRQ mapping at client removal time
i2c: at91: don't account as iowait
i2c: remove FSF address
USB: Update default usb-storage delay_use value in kernel-parameters.txt
sysfs: driver core: Fix glue dir race condition by gdp_mutex
MIPS: Fix build with binutils 2.24.51+
xfs: track bulkstat progress by agino
xfs: bulkstat error handling is broken
xfs: bulkstat main loop logic is a mess
xfs: bulkstat chunk-formatter has issues
xfs: bulkstat chunk formatting cursor is broken
xfs: bulkstat btree walk doesn't terminate
mm: Fix comment before truncate_setsize()
USB: cdc-acm: add quirk for control-line state requests
tty: Fix pty master poll() after slave closes v2
MIPS: R3000: Fix debug output for Virtual page number
...
Conflicts:
drivers/media/rc/rc-main.c
* tsl4531 - fix a compile error when CONFIG_PM_OPS not set.
* kxcjk-1013 - event spec direction was invalid - leading to 'interesting'
attrribute names.
* as3935 - sizeof(st) used instead of sizeof(*st) leading to allocation of
space for a pointer rather than the structure desired.
* ade7758 - Another null pointer deref fix due to different channels
being provided to the the buffer register than used for the sysfs
side of things.
* ade7758 - Check there is a channel enabled in preenable for the buffer
before doing anything.
* ade7758 - Drop a stray raw from the channel name that leads to _raw_raw
postfix.
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Merge tag 'iio-fixes-for-3.18b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second round of IIO fixes for the 3.18 cycle.
* tsl4531 - fix a compile error when CONFIG_PM_OPS not set.
* kxcjk-1013 - event spec direction was invalid - leading to 'interesting'
attrribute names.
* as3935 - sizeof(st) used instead of sizeof(*st) leading to allocation of
space for a pointer rather than the structure desired.
* ade7758 - Another null pointer deref fix due to different channels
being provided to the the buffer register than used for the sysfs
side of things.
* ade7758 - Check there is a channel enabled in preenable for the buffer
before doing anything.
* ade7758 - Drop a stray raw from the channel name that leads to _raw_raw
postfix.
"raw" is a property of a channel, but should not be part of the name of
channel.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
We should check if a channel is enabled, not if no channels are enabled.
Fixes: 550268ca11 ("staging:iio: scrap scan_count and ensure all drivers use active_scan_mask")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
In older versions of the IIO framework it was possible to pass a completely
different set of channels to iio_buffer_register() as the one that is
assigned to the IIO device. Commit 959d2952d1 ("staging:iio: make
iio_sw_buffer_preenable much more general.") introduced a restriction that
requires that the set of channels that is passed to iio_buffer_register() is
a subset of the channels assigned to the IIO device as the IIO core will use
the list of channels that is assigned to the device to lookup a channel by
scan index in iio_compute_scan_bytes(). If it can not find the channel the
function will crash. This patch fixes the issue by making sure that the same
set of channels is assigned to the IIO device and passed to
iio_buffer_register().
Note that we need to remove the IIO_CHAN_INFO_RAW and IIO_CHAN_INFO_SCALE
info attributes from the channels since we don't actually want those to be
registered.
Fixes the following crash:
Unable to handle kernel NULL pointer dereference at virtual address 00000016
pgd = d2094000
[00000016] *pgd=16e39831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 1695 Comm: bash Not tainted 3.17.0-06329-g29461ee #9686
task: d7768040 ti: d5bd4000 task.ti: d5bd4000
PC is at iio_compute_scan_bytes+0x38/0xc0
LR is at iio_compute_scan_bytes+0x34/0xc0
pc : [<c0316de8>] lr : [<c0316de4>] psr: 60070013
sp : d5bd5ec0 ip : 00000000 fp : 00000000
r10: d769f934 r9 : 00000000 r8 : 00000001
r7 : 00000000 r6 : c8fc6240 r5 : d769f800 r4 : 00000000
r3 : d769f800 r2 : 00000000 r1 : ffffffff r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 18c5387d Table: 1209404a DAC: 00000015
Process bash (pid: 1695, stack limit = 0xd5bd4240)
Stack: (0xd5bd5ec0 to 0xd5bd6000)
5ec0: d769f800 d7435640 c8fc6240 d769f984 00000000 c03175a4 d7435690 d7435640
5ee0: d769f990 00000002 00000000 d769f800 d5bd4000 00000000 000b43a8 c03177f4
5f00: d769f810 0162b8c8 00000002 c8fc7e00 d77f1d08 d77f1da8 c8fc7e00 c01faf1c
5f20: 00000002 c010694c c010690c d5bd5f88 00000002 c8fc6840 c8fc684c c0105e08
5f40: 00000000 00000000 d20d1580 00000002 000af408 d5bd5f88 c000de84 c00b76d4
5f60: d20d1580 000af408 00000002 d20d1580 d20d1580 00000002 000af408 c000de84
5f80: 00000000 c00b7a44 00000000 00000000 00000002 b6ebea78 00000002 000af408
5fa0: 00000004 c000dd00 b6ebea78 00000002 00000001 000af408 00000002 00000000
5fc0: b6ebea78 00000002 000af408 00000004 bee96a4c 000a6094 00000000 000b43a8
5fe0: 00000000 bee969cc b6e2eb77 b6e6525c 40070010 00000001 00000000 00000000
[<c0316de8>] (iio_compute_scan_bytes) from [<c03175a4>] (__iio_update_buffers+0x248/0x438)
[<c03175a4>] (__iio_update_buffers) from [<c03177f4>] (iio_buffer_store_enable+0x60/0x7c)
[<c03177f4>] (iio_buffer_store_enable) from [<c01faf1c>] (dev_attr_store+0x18/0x24)
[<c01faf1c>] (dev_attr_store) from [<c010694c>] (sysfs_kf_write+0x40/0x4c)
[<c010694c>] (sysfs_kf_write) from [<c0105e08>] (kernfs_fop_write+0x110/0x154)
[<c0105e08>] (kernfs_fop_write) from [<c00b76d4>] (vfs_write+0xbc/0x170)
[<c00b76d4>] (vfs_write) from [<c00b7a44>] (SyS_write+0x40/0x78)
[<c00b7a44>] (SyS_write) from [<c000dd00>] (ret_fast_syscall+0x0/0x30)
Fixes: 959d2952d1 ("staging:iio: make iio_sw_buffer_preenable much more general.")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
We should disable lradc->clk in the case of errors in the probe function.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: <Stable@vger.kernel.org>
"raw" is the name of a channel property, but should not be part of the
channel name itself.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
In older versions of the IIO framework it was possible to pass a
completely different set of channels to iio_buffer_register() as the one
that is assigned to the IIO device. Commit 959d2952d1 ("staging:iio: make
iio_sw_buffer_preenable much more general.") introduced a restriction that
requires that the set of channels that is passed to iio_buffer_register() is
a subset of the channels assigned to the IIO device as the IIO core will use
the list of channels that is assigned to the device to lookup a channel by
scan index in iio_compute_scan_bytes(). If it can not find the channel the
function will crash. This patch fixes the issue by making sure that the same
set of channels is assigned to the IIO device and passed to
iio_buffer_register().
Fixes the follow NULL pointer derefernce kernel crash:
Unable to handle kernel NULL pointer dereference at virtual address 00000016
pgd = d53d0000
[00000016] *pgd=1534e831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 1626 Comm: bash Not tainted 3.15.0-19969-g2a180eb-dirty #9545
task: d6c124c0 ti: d539a000 task.ti: d539a000
PC is at iio_compute_scan_bytes+0x34/0xa8
LR is at iio_compute_scan_bytes+0x34/0xa8
pc : [<c03052e4>] lr : [<c03052e4>] psr: 60070013
sp : d539beb8 ip : 00000001 fp : 00000000
r10: 00000002 r9 : 00000000 r8 : 00000001
r7 : 00000000 r6 : d6dc8800 r5 : d7571000 r4 : 00000002
r3 : d7571000 r2 : 00000044 r1 : 00000001 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 18c5387d Table: 153d004a DAC: 00000015
Process bash (pid: 1626, stack limit = 0xd539a240)
Stack: (0xd539beb8 to 0xd539c000)
bea0: c02fc0e4 d7571000
bec0: d76c1640 d6dc8800 d757117c 00000000 d757112c c0305b04 d76c1690 d76c1640
bee0: d7571188 00000002 00000000 d7571000 d539a000 00000000 000dd1c8 c0305d54
bf00: d7571010 0160b868 00000002 c69d3900 d7573278 d7573308 c69d3900 c01ece90
bf20: 00000002 c0103fac c0103f6c d539bf88 00000002 c69d3b00 c69d3b0c c0103468
bf40: 00000000 00000000 d7694a00 00000002 000af408 d539bf88 c000dd84 c00b2f94
bf60: d7694a00 000af408 00000002 d7694a00 d7694a00 00000002 000af408 c000dd84
bf80: 00000000 c00b32d0 00000000 00000000 00000002 b6f1aa78 00000002 000af408
bfa0: 00000004 c000dc00 b6f1aa78 00000002 00000001 000af408 00000002 00000000
bfc0: b6f1aa78 00000002 000af408 00000004 be806a4c 000a6094 00000000 000dd1c8
bfe0: 00000000 be8069cc b6e8ab77 b6ec125c 40070010 00000001 22940489 154a5007
[<c03052e4>] (iio_compute_scan_bytes) from [<c0305b04>] (__iio_update_buffers+0x248/0x438)
[<c0305b04>] (__iio_update_buffers) from [<c0305d54>] (iio_buffer_store_enable+0x60/0x7c)
[<c0305d54>] (iio_buffer_store_enable) from [<c01ece90>] (dev_attr_store+0x18/0x24)
[<c01ece90>] (dev_attr_store) from [<c0103fac>] (sysfs_kf_write+0x40/0x4c)
[<c0103fac>] (sysfs_kf_write) from [<c0103468>] (kernfs_fop_write+0x110/0x154)
[<c0103468>] (kernfs_fop_write) from [<c00b2f94>] (vfs_write+0xd0/0x160)
[<c00b2f94>] (vfs_write) from [<c00b32d0>] (SyS_write+0x40/0x78)
[<c00b32d0>] (SyS_write) from [<c000dc00>] (ret_fast_syscall+0x0/0x30)
Code: ea00000e e1a01008 e1a00005 ebfff6fc (e5d0a016)
Fixes: 959d2952d1 ("staging:iio: make iio_sw_buffer_preenable much more general.")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
... because fake struct file is wrong.
ll_prep_inode() in there is an atrocity - despite passing a pointer to
inode by address, it actually only uses the value when that value is
non-NULL, as it will be here.
Oh, and ->d_parent of anything is never NULL.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
We can use kfifo_initialized() to check if the fifo in lirc_buffer is
initialized or not. There's no need to have a dedicated fifo status
variable in lirc_buffer.
[m.chehab@samsung.com: add the same change to lirc_zilog, to avoid
breaking compilation of staging drivers]
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This driver has been replaced by an rc-core driver for the same hardware.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
lirc_imon.c and lirc_sasem.c contain an incoming_packet method that
is using deprecated printk's. Removed blocks replacing with single
dev_info with a %*ph format instead.
Signed-off-by: Amber Thrall <amber.rose.thrall@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
