| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"We have a relatively big changeset for ARC for 4.7.
The highlight is support for EZChip (now Mellanox) NPS-400 network
processor, a 400-Gb throughput C-programmable packet processor based
on ARC700 cores from Synopsys. See
http://www.mellanox.com/related-docs/prod_npu/PB_NPS-400.pdf
Also present are irqchip and clocksource drivers for NPS as agreed
with respective maintainers to go via ARC tree due to an soc header
dependency. I have the needed ACKs from Jason, Marc, Daniel. You
might run into a trivial merge conflict in drivers/irqchip/*
This EZChip platform support required some deep changes in ARC
architecture code and also opportunity to cleanup past sins (legacy
irq domains, missing irq domain lookup, hard coded timer irqs...)
Summary:
- Support for EZChip (now Mellanox) NPS-400 Network processor based
on ARC700
- NPS interrupt controller and clocksource drivers
- ARC timers probed off DT
- ARC iqrchips switching to linear domain (upgrade from legacy
domains)"
* tag 'arc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (37 commits)
arc: axs103_smp: Fix CPU frequency to 100MHz for dual-core
arc: axs10x: Add DT bindings for I2S PLL Clock
ARC: pae: STRICT_MM_TYPECHECKS was broken
ARC: Add eznps platform to Kconfig and Makefile
ARC: [plat-eznps] Use dedicated COMMAND_LINE_SIZE
ARC: [plat-eznps] Use dedicated cpu_relax()
ARC: [plat-eznps] Use dedicated identity auxiliary register.
ARC: [plat-eznps] Use dedicated SMP barriers
ARC: [plat-eznps] Use dedicated atomic/bitops/cmpxchg
ARC: [plat-eznps] Use dedicated user stack top
ARC: [plat-eznps] Add eznps platform
ARC: [plat-eznps] Add eznps board defconfig and dts
ARC: Mark secondary cpu online only after all HW setup is done
ARC: rwlock: disable interrupts in !LLSC variant
ARC: Make vmalloc size configurable
ARC: clean out UAPI byteorder.h clean off Kconfig symbol
irqchip: add nps Internal and external irqchips
clocksource: Add NPS400 timers driver
soc: Support for EZchip SoC
Documentation: Add EZchip vendor to binding list
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Adding EZchip NPS400 support.
Internal interrupts are handled by Multi Thread Manager (MTM)
Once interrupt is serviced MTM is acked for deactivating the interrupt.
External interrupts are handled by MTM as well as at Global Interrupt
Controller (GIC) e.g. serial and network devices.
Signed-off-by: Noam Camus <noamc@ezchip.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
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Add internal tick generator which is shared by all cores.
Each cluster of cores view it through dedicated address.
This is used for SMP system where all CPUs synced by same
clock source.
Signed-off-by: Noam Camus <noamc@ezchip.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Pull remoteproc updates from Bjorn Andersson:
"Introduce a synchronization point between the async firmware loading
and clients requesting the remote processor to boot, as well as
support for remote processors that are not interested in the resource
table information"
* tag 'rproc-v4.7' of git://github.com/andersson/remoteproc:
remoteproc: Add additional crash reasons
remoteproc: core: Make the loaded resource table optional
remoteproc: core: Task sync during rproc_fw_boot()
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The Qualcomm WCNSS can crash by watchdog or a fatal software error. Add
these types to the list of remoteproc crash reasons.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Remote processors like the ones found in the Qualcomm SoCs does not have
a resource table passed to them, so make it optional by only populating
it if it does exist.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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By default, rproc_fw_boot() needs to wait for rproc to be configured,
but a race may occur when using rpmsg/virtio. In this case, it can
be called locally in a safe manor.
This patch represents two usecases:
- External call (via exported rproc_boot()), which waits
- Internal call can use 'nowait' version of rproc_boot()
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pull rpmsg updates from Bjorn Andersson:
"Refactor rpmsg module registration to follow other subsystems; by
introduction of module_rpmsg_driver and hiding of THIS_MODULE from
clients"
* tag 'rpmsg-v4.7' of git://github.com/andersson/remoteproc:
rpmsg: use module_rpmsg_driver in existing drivers and examples
rpmsg: add helper macro module_rpmsg_driver
rpmsg: drop owner assignment from rpmsg_drivers
rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core
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Add register_rpmsg_driver helper macro that adds THIS_MODULE to
rpmsg_driver for the registering driver. We rename and modify
the existing register_rpmsg_driver to enable this.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"First round of updates for the input subsystem. No new drivers here,
just some driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: rotary-encoder - fix bare use of 'unsigned'
Input: cm109 - spin_lock in complete() cleanup
Input: cm109 - fix handling of volume and mute buttons
Input: byd - don't wipe dynamically allocated memory twice
Input: twl4030 - fix unsafe macro definition
Input: twl6040-vibra - remove mutex
Input: bcm_iproc_tsc - DT spelling s/clock-name/clock-names/
Input: bcm_iproc_tsc - use syscon to access shared registers
Input: ti_am335x_tsc - use SIMPLE_DEV_PM_OPS
Input: omap-keypad - remove set_col_gpio_val() and get_row_gpio_val()
Input: omap-keypad - drop empty PM stubs
Input: omap-keypad - remove adjusting of scan delay
Input: gpio-keys - clean up device tree binding example
Input: kbtab - stop saving struct usb_device
Input: gtco - stop saving struct usb_device
Input: aiptek - stop saving struct usb_device
Input: acecad - stop saving struct usb_device
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Prepare first round of input updates for 4.7 merge window.
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fix checkpatch.pl warning about 'Prefer 'unsigned int' to bare use of
'unsigned''
Signed-off-by: Clifton Barnes <clifton.a.barnes@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The CM109 driver reported key press events of volume up / down and
record / playback mute buttons, but no release events. Report those events
properly by handling volume and mute keys seperately. For the record and
playback mute buttons, only presses are registered by the CM109, therefore
simulate press-n-release. This fixes the volume control buttons of various
USB headsets.
Signed-off-by: Florian Euchner <florian.euchner@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Since memory for a private data is allocated by kzalloc() there is no
need to fill it with zeroes immediately after the allocation.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The bitwise shift operator has lower priority than plus operator. So the
values on macros should be enclosed in parentheses.
For example, "(1 << 4 + 1)" means "(1 << (4 + 1))", but it is not expected
by the macros.
And also fix other two coding style problems reported by
scripts/checkpatch.pl.
Signed-off-by: Rui Teng <rui.teng@linux.vnet.ibm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The mutex does not seem to be needed. twl4030-vibra doesn't
use one either.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In Cygnus SOC touch screen controller registers are shared with ADC and
flex timer. Using readl/writel could lead to race condition. So touch
screen driver is enhanced to support register access using syscon framework
API's to take care of mutually exclusive access.
Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of doing the dance with macro that either resolves to a pointer or
NULL, let's switch to using SIMPLE_DEV_PM_OPS().
Also let's mark suspend and resume methods as __maybe_unused instead of
guarding them with an #ifdef and rely on linker to drop unused code. Doing
so should allow better compile coverage.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit f799a3d8fe170159257b75c1baf48a7c1f625d1d ("Input: omap-keypad:
Remove dependencies to mach includes") removed users of the above
functions, but left them in the code.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There is no reason to have empty suspend and resume stubs.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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As of 35f8679f577ae5673a778598bcbe7b45cbec8923 ("Input: omap-keypad -
remove dead check") we no longer declare keypresses as spurious, therefore
we can use constant delay between scans.
Suggested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The device can now easily be derived from the interface.
Stop leaving a private copy.
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The device can now easily be derived from the interface.
Stop leaving a private copy.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The device can now easily be derived from the interface.
Stop leaving a private copy.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The device can now easily be derived from the interface.
Stop leaving a private copy.
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- added support for Intersil/Techwell TW686x-based video capture cards
- v4l PCI skeleton driver moved to samples directory
- Documentation cleanups and improvements
- RC: reduced the memory footprint for IR raw events
- tpg: Export the tpg code from vivid as a module
- adv7180: Add device tree binding documentation
- lots of driver improvements and fixes
* tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (173 commits)
[media] exynos-gsc: avoid build warning without CONFIG_OF
[media] samples: v4l: from Documentation to samples directory
[media] dib0700: add USB ID for another STK8096-PVR ref design based card
[media] tvp5150: propagate I2C write error in .s_register callback
[media] tvp5150: return I2C write operation failure to callers
[media] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner
[media] em28xx: add missing USB IDs
[media] update cx23885 and em28xx cardlists
[media] media: au0828 fix au0828_v4l2_device_register() to not unlock and free
[media] c8sectpfe: Rework firmware loading mechanism
[media] c8sectpfe: Demote print to dev_dbg
[media] c8sectpfe: Fix broken circular buffer wp management
[media] media-device: Simplify compat32 logic
[media] media: i2c: ths7303: remove redundant assignment on bt
[media] dvb-usb: hide unused functions
[media] xilinx-vipp: remove unnecessary of_node_put
[media] drivers/media/media-devnode: clear private_data before put_device()
[media] drivers/media/media-device: move debug log before _devnode_unregister()
[media] drivers/media/rc: postpone kfree(rc_dev)
[media] media/dvb-core: forward media_create_pad_links() return value
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When building the exynos-gsc driver with CONFIG_OF disabled, we get
a warning about an out-of-bounds access:
drivers/media/platform/exynos-gsc/gsc-core.c: In function 'gsc_probe':
drivers/media/platform/exynos-gsc/gsc-core.c:1078:34: error: array subscript is above array bounds [-Werror=array-bounds]
This is harmless because the driver will never be used without CONFIG_OF,
but it's better to avoid the warning anyway. Checking the return value
of of_alias_get_id() for an error condition is probably a good idea
anyway, and it makes sure the compiler can verify that we don't get
into that situation.
Fixes: 26a7ed9c1819 ("[media] exynos-gsc: remove an always false condition")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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USB_PID_DIBCOM_STK8096GP also comes with USB_VID_DIBCOM vendor ID.
Signed-off-by: Alejandro Torrado <aletorrado@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The tvp5150_write() function can fail so don't return 0 unconditionally
in tvp5150_s_register() but propagate what's returned by tvp5150_write().
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The tvp5150_write() function calls i2c_smbus_write_byte_data() that
can fail but does not propagate the error to the caller. Instead it
just prints a debug, so callers can't know if the operation failed.
So change the function to return the error code to the caller so it
knows that the write failed and also print an error instead of just
printing a debug information.
While being there remove the inline keyword from tvp5150_write() to
make it consistent with tvp5150_read() and also because it's called
in a lot of places, so making inline is in fact counter productive
since it makes the kernel image size to be much bigger (~16 KiB).
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Hauppauge WinTV-dualHD is a USB 2.0 dual DVB-T/T2/C tuner with
following components:
USB bridge: Empia EM28274 (chip id is the same as EM28174)
Demodulator: 2x Silicon Labs Si2168-B40
Tuner: 2x Silicon Labs Si2157-A30
This patch adds support only for the first tuner.
The demodulator needs firmware, available for example here:
http://palosaari.fi/linux/v4l-dvb/firmware/Si2168/Si2168-B40/4.0.11/
The demodulators sit on the same I2C bus and their addresses
are 0x64 and 0x67. The tuners are behind the demodulators and
their addresses are 0x60 and 0x63.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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au0828_v4l2_device_register() unlocks au0828_dev->lock and frees au0828
dev in error legs before return. au0828_usb_probe() does the same when
au0828_v4l2_device_register() returns error.
Fix au0828_v4l2_device_register() to not to unlock and free in its error
legs.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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c8sectpfe driver relied on CONFIG_FW_LOADER_USER_HELPER_FALLBACK option
for loading its xp70 firmware. A previous commit removed this Kconfig
option, as it is apparently harmful, but did not update the driver
code which relied on it.
This patch reworks the firmware loading into the start_feed callback.
At this point we can be sure the rootfs is present, thereby removing
the depedency on CONFIG_FW_LOADER_USER_HELPER_FALLBACK.
Fixes: 79f5b6ae960d ('[media] c8sectpfe: Remove select on CONFIG_FW_LOADER_USER_HELPER_FALLBACK')
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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During the review process, a regression was intoduced in the
circular buffer write pointer management. This means that wp
doesn't get managed properly once the buffer becomes full.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Linux 4.6-rc7
* tag 'v4.6-rc7': (185 commits)
Linux 4.6-rc7
parisc: fix a bug when syscall number of tracee is __NR_Linux_syscalls
x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
mailmap: add John Paul Adrian Glaubitz
byteswap: try to avoid __builtin_constant_p gcc bug
lib/stackdepot: avoid to return 0 handle
mm: fix kcompactd hang during memory offlining
modpost: fix module autoloading for OF devices with generic compatible property
proc: prevent accessing /proc/<PID>/environ until it's ready
mm/zswap: provide unique zpool name
mm: thp: kvm: fix memory corruption in KVM with THP enabled
MAINTAINERS: fix Rajendra Nayak's address
mm, cma: prevent nr_isolated_* counters from going negative
mm: update min_free_kbytes from khugepaged after core initialization
huge pagecache: mmap_sem is unlocked when truncation splits pmd
rapidio/mport_cdev: fix uapi type definitions
mm: memcontrol: let v2 cgroups follow changes in system swappiness
mm: thp: correct split_huge_pages file permission
maintainers: update rmk's email address(es)
writeback: Fix performance regression in wb_over_bg_thresh()
...
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Only MEDIA_IOC_ENUM_LINKS32 require an special logic when
userspace is 32 bits and Kernel is 64 bits.
For the rest, media_device_ioctl() will do the right thing,
and will return -ENOIOCTLCMD if the ioctl is unknown.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The extraneous assignment on bt is redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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A couple of data structures in the dibusb-common file are only
accessed when CONFIG_DVB_DIB3000MC is enabled, otherwise we
get a harmless gcc warning:
usb/dvb-usb/dibusb-common.c:223:34: error: 'dib3000p_panasonic_agc_config' defined but not used
usb/dvb-usb/dibusb-common.c:211:32: error: 'stk3000p_dib3000p_config' defined but not used
This moves the existing #ifdef a few lines up to correctly cover
all the conditional data structures, which gets rid of the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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of_graph_get_next_endpoint(node, ep) decrements refcount on
ep. When next==NULL we break and refcount on ep is decremented
again.
Signed-off-by: Franck Jullien <franck.jullien@odyssee-systemes.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Callbacks invoked from put_device() may free the struct media_devnode
pointer, so any cleanup needs to be done before put_device().
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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After media_devnode_unregister(), the struct media_device may be freed
already, and dereferencing it may crash.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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CONFIG_DEBUG_KOBJECT_RELEASE found this bug.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Instead of always return -ENOMEM, return the real error that should
come from media_create_pad_link().
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add USB ID of SMK RXX6000 series IR receiver. Often branded as
Lenovo receiver.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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New USB ID for Adaptec eHome receiver in some HP laptops.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Access to dev->initialized is atomic and dev->initialized isn't
accessed in any other code protected by this mutex.
Therefore we don't need to get the mutex here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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2008-02-25 Andre Weidemann added support for TT S2-3600 and noted
that he still gets image distortions every now and then.
It seems to be common knowledge in many projects that changing
the USB parameters seems to help. OpenELEC has included this patch
for a few years, for example. Nobody bothered to report the issue
upstream though, it seems.
https://github.com/OpenELEC/OpenELEC.tv/issues/1957
http://www.vdr-portal.de/board60-linux/board14-betriebssystem/board96-yavdr/p1033458-darstellungsproblem-bei-2-tt-3600-usb/#post1033458 (in German)
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The ds3000 driver returned 1 as an error code in many places.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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