v4l2_ctrl_handler_free() and v4l2_device_unregister() are currently only called
when the last user closes the device and the device is already disconnected.
But that's wrong, we need to call these functions whenever the em28xx-v4l
extension is closed and we can already do this if the device is still opened
by some users.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
- bail out on unsupported VFL_TYPE
- em28xx_set_mode() needs to be called for VBI and radio mode, too
- em28xx_wake_i2c() needs to be called for VBI and radio mode, too
- em28xx_resolution_set() also needs to be called for VBI
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
. perf record: Add --initial-delay option (Andi Kleen)
. Column colouring improvements in 'diff' (Ramkumar Ramachandra)
Fixes:
. Don't show counter information when workload fails (Arnaldo Carvalho de Melo)
. Fixup leak on error path in parse events test. (Arnaldo Carvalho de Melo)
. Fix --delay option in 'stat' man page (Andi Kleen)
. Use the DWARF unwind info only if loaded (Jean Pihet):
Developer stuff:
. Improve forked workload error reporting by sending the errno in the signal
data queueing integer field, using sigqueue and by doing the signal setup in
the evlist methods, removing open coded equivalents in various tools. (Arnaldo Carvalho de Melo)
. Do more auto exit cleanup shores in the 'evlist' destructor, so that the tools
don't have to all do that sequence. (Arnaldo Carvalho de Melo)
. Pack 'struct perf_session_env' and 'struct trace' (Arnaldo Carvalho de Melo)
. Include tools/lib/api/ in MANIFEST, fixing detached tarballs (Arnaldo Carvalho de Melo)
. Add test for building detached source tarballs (Arnaldo Carvalho de Melo)
. Shut up libtracevent plugins make message (Jiri Olsa)
. Fix installation tests path setup (Jiri Olsa)
. Fix id_hdr_size initialization (Jiri Olsa)
. Move some header files from tools/perf/ to tools/include/ to make them available to
other tools/ dwelling codebases (Namhyung Kim)
. Fix 'probe' build when DWARF support libraries not present (Arnaldo Carvalho de Melo)
Refactorings:
. Move logic to warn about kptr_restrict'ed kernels to separate
function in 'report' (Arnaldo Carvalho de Melo)
. Move hist browser selection code to separate function (Arnaldo Carvalho de Melo)
. Move histogram entries collapsing to separate function (Arnaldo Carvalho de Melo)
. Introduce evlist__for_each() & friends (Arnaldo Carvalho de Melo)
. Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables (Jiri Olsa)
. Move arch setup into seprate Makefile (Jiri Olsa)
Trivial stuff:
. Remove misplaced __maybe_unused in 'stat' (Arnaldo Carvalho de Melo)
. Remove old evsel_list usage in 'record' (Arnaldo Carvalho de Melo)
. Comment typo fix (Cody P Schafer)
. Remove unused test-volatile-register-var.c (Yann Droneaud)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf tooling updates from Arnaldo Carvalho de Melo:
New features:
* perf record: Add --initial-delay option (Andi Kleen)
* Column colouring improvements in 'diff' (Ramkumar Ramachandra)
Fixes:
* Don't show counter information when workload fails (Arnaldo Carvalho de Melo)
* Fixup leak on error path in parse events test. (Arnaldo Carvalho de Melo)
* Fix --delay option in 'stat' man page (Andi Kleen)
* Use the DWARF unwind info only if loaded (Jean Pihet):
Developer stuff:
* Improve forked workload error reporting by sending the errno in the signal
data queueing integer field, using sigqueue and by doing the signal setup in
the evlist methods, removing open coded equivalents in various tools. (Arnaldo Carvalho de Melo)
* Do more auto exit cleanup shores in the 'evlist' destructor, so that the tools
don't have to all do that sequence. (Arnaldo Carvalho de Melo)
* Pack 'struct perf_session_env' and 'struct trace' (Arnaldo Carvalho de Melo)
* Include tools/lib/api/ in MANIFEST, fixing detached tarballs (Arnaldo Carvalho de Melo)
* Add test for building detached source tarballs (Arnaldo Carvalho de Melo)
* Shut up libtracevent plugins make message (Jiri Olsa)
* Fix installation tests path setup (Jiri Olsa)
* Fix id_hdr_size initialization (Jiri Olsa)
* Move some header files from tools/perf/ to tools/include/ to make them available to
other tools/ dwelling codebases (Namhyung Kim)
* Fix 'probe' build when DWARF support libraries not present (Arnaldo Carvalho de Melo)
Refactorings:
* Move logic to warn about kptr_restrict'ed kernels to separate
function in 'report' (Arnaldo Carvalho de Melo)
* Move hist browser selection code to separate function (Arnaldo Carvalho de Melo)
* Move histogram entries collapsing to separate function (Arnaldo Carvalho de Melo)
* Introduce evlist__for_each() & friends (Arnaldo Carvalho de Melo)
* Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables (Jiri Olsa)
* Move arch setup into seprate Makefile (Jiri Olsa)
Trivial stuff:
* Remove misplaced __maybe_unused in 'stat' (Arnaldo Carvalho de Melo)
* Remove old evsel_list usage in 'record' (Arnaldo Carvalho de Melo)
* Comment typo fix (Cody P Schafer)
* Remove unused test-volatile-register-var.c (Yann Droneaud)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The list of initial exceptions is loaded in the target constructor. We
are allowed to allocate memory with GFP_KERNEL at this point. So,
change alloc_completed_exception to use GFP_KERNEL when being called
from the constructor.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
The body of i2c_parent_is_i2c_adapter() is currently guarded by
I2C_MUX. It should be CONFIG_I2C_MUX instead.
Among potentially other problems, this resulted in i2c_lock_adapter()
only locking I2C mux child adapters, and not the parent adapter. In
turn, this could allow inter-mingling of mux child selection and I2C
transactions, which could result in I2C transactions being directed to
the wrong I2C bus, and possibly even switching between busses in the
middle of a transaction.
One concrete issue caused by this bug was corrupted HDMI EDID reads
during boot on the NVIDIA Tegra Seaboard system, although this only
became apparent in recent linux-next, when the boot timing was changed
just enough to trigger the race condition.
Fixes: 3923172b3d ("i2c: reduce parent checking to a NOOP in non-I2C_MUX case")
Cc: Phil Carmody <phil.carmody@partner.samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Remove an invalid semicolon from the inline dummy, thus solving:
In file included from drivers/gpu/drm/tegra/gr3d.c:15:0:
include/linux/tegra-powergate.h:119:1: error: expected identifier or '(' before '{' token
Fixes: 80b28791ff ("ARM: tegra: pass reset to tegra_powergate_sequence_power_up()")
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Commit 1d49144c0a ("netfilter: nf_tables: add "inet" table for
IPv4/IPv6") allows creation of non-IPV6 enabled .config files that
will fail to configure/link as follows:
warning: (NF_TABLES_INET) selects NF_TABLES_IPV6 which has unmet direct dependencies (NET && INET && IPV6 && NETFILTER && NF_TABLES)
warning: (NF_TABLES_INET) selects NF_TABLES_IPV6 which has unmet direct dependencies (NET && INET && IPV6 && NETFILTER && NF_TABLES)
warning: (NF_TABLES_INET) selects NF_TABLES_IPV6 which has unmet direct dependencies (NET && INET && IPV6 && NETFILTER && NF_TABLES)
net/built-in.o: In function `nft_reject_eval':
nft_reject.c:(.text+0x651e8): undefined reference to `nf_ip6_checksum'
nft_reject.c:(.text+0x65270): undefined reference to `ip6_route_output'
nft_reject.c:(.text+0x656c4): undefined reference to `ip6_dst_hoplimit'
make: *** [vmlinux] Error 1
Since the feature is to allow for a mixed IPV4 and IPV6 table, it
seems sensible to make it depend on IPV6.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The trace buffer has a descriptor pointer that goes back to the trace
array. But it was never assigned. Luckily, nothing uses it (yet), but
it will in the future.
Although nothing currently uses this, if any of the new features get
backported to older kernels, and because this is such a simple change,
I'm marking it for stable too.
Cc: stable@vger.kernel.org # v3.10+
Fixes: 12883efb67 "tracing: Consolidate max_tr into main trace_array structure"
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
There are three files in oss for which I could not find an easy way to
replace interruptible_sleep_on_timeout with a non-racy version. This
patch instead just adds a private implementation of the function, now
named oss_broken_sleep_on, and changes over the remaining users in
sound/oss/ so we can remove the global interface.
[fixed coding style warnings by tiwai]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The use of interruptible_sleep_on_timeout in the dmasound driver
is questionable and we want to kill off all sleep_on variants.
This replaces the calls with wait_event_interruptible_timeout
where possible, to wait for a particular event instead of blocking
in a racy way. In the sq_write function, the easiest solution is
an open-coded prepare_to_wait loop.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sleep_on is known to be racy and going away because of this. All instances
of interruptible_sleep_on and interruptible_sleep_on_timeout in the midibuf
driver can trivially be replaced with wait_event_interruptible and
wait_event_interruptible_timeout.
[fixed coding style warnings by tiwai]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This stashes away the EDID data so that the sysfs per-connector file
"edid" can display it. Without this change, the "edid" file is always
empty.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Interruptible_sleep_on is racy and we want to remove it. This replaces
the use in the vwsnd driver with an open-coded prepare_to_wait
loop that fixes the race between concurrent open() and close() calls,
and also drops the global mutex while waiting here, which restores
the original behavior that was changed during the BKL removal.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We want to remove all sleep_on variants from the kernel because they are
racy. In case of the pinnacle driver, we can replace
interruptible_sleep_on_timeout with wait_event_interruptible_timeout
by changing the meaning of a few flags used in the driver so they
are cleared at wakeup time, which is a somewhat more appropriate
way to do the same, although probably still racy.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Previously the custom GPIO header for the S3C24xx would in turn
bring in the custom pin control implementation from
<plat/gpio-cfg.h>. This is not good as it mixes up two
subsystems and makes the dependencies hard to track. Make
the dependency explicit by explicitly including the pin
control header where needed.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When refactoring and breaking out the includes for the
machine-specific GPIO configuration, two files were created
in <linux/platform_data/gpio-samsung-s3c[24|64]xx.h>, but as
that namespace shall be used for defining data exchanged
between machines and drivers, using it for these broad macros
and config settings is wrong.
Move the headers back into the machine-local
<mach/gpio-samsung.h> file and think about the next step.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Introduce function for the "Perform network-subchannel operation"
CHSC command with operation code "bridgeport information",
and bit definitions for "characteristics" pertaning to this command.
Signed-off-by: Eugene Crosser <eugene.crosser@ru.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The new vmaster hook, update_tpacpi_mute_led(), calls the original
vmaster hook, but I forgot to save the original hook function but keep
calling the updated one, which of course results in a stupid endless
loop. Fixed now.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
No code change, just a cosmetic cleanup to keep entries ordered by the
device ID within a block of unique vendor IDs.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When a panel advertises one or more modes, they are used exclusively.
Other methods for obtaining the mode, such as DDC as used for HDMI or
binary EDID blobs embedded in the DT, are ignored. The panel drivers
should be providing this functionality if they want to expose it as
well.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The mask of possible CRTCs that an output (DRM encoder) can be attached
to is relative to the position within the DRM device's list of CRTCs.
Deferred probing can cause this to not match the pipe number associated
with a CRTC. Use the newly introduced drm_crtc_mask() to compute the
mask by looking up the proper index of the given CRTC in the list.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The intel_encoder_crtc_ok() is a duplicate of the drm_encoder_crtc_ok()
function that used to be only available in the DRM CRTC helpers. It has
recently been moved to the core, so the duplicate can now be dropped.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Using the new drm_crtc_mask() function, drm_encoder_crtc_ok() can now be
written in a significantly shorter way, so it can be moved to a header
file and be made static inline.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The encoder possible_crtcs mask identifies which CRTCs can be bound to
a particular encoder. Each bit from bit 0 defines an index in the list
of CRTCs held in the DRM mode_config crtc_list. Rather than having
drivers trying to track the position of their CRTCs in the list, expose
the code which already exists for calculating the appropriate mask bit
for a CRTC.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[treding@nvidia.com: add drm_crtc_index(), move to core]
Signed-off-by: Thierry Reding <treding@nvidia.com>
devm_ioremap_resource() does sanity checks on the given resource. No
need to duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Pull clocksource/clockevent updates from Daniel Lezcano:
* Axel Lin removed an unused structure defining the ids for the
bcm kona driver.
* Ezequiel Garcia enabled the timer divider only when the 25MHz
timer is not used for the armada 370 XP.
* Jingoo Han removed a pointless platform data initialization for
the sh_mtu and sh_mtu2.
* Laurent Pinchart added the clk_prepare/clk_unprepare for sh_cmt.
* Linus Walleij added a useful warning in clk_of when no clocks
are found while the old behavior was to silently hang at boot time.
* Maxime Ripard added the high speed timer drivers for the
Allwinner SoCs (A10, A13, A20). He increased the rating, shared the
irq across all available cpus and fixed the clockevent's irq
initialization for the sun4i.
* Michael Opdenacker removed the usage of the IRQF_DISABLED for the
all the timers driver located in drivers/clocksource.
* Stephen Boyd switched to sched_clock_register for the
arm_global_timer, cadence_ttc, sun4i and orion timers.
Conflicts:
drivers/clocksource/clksrc-of.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Creative Live! Cam Vista IM (VF0420) reports rate of 16kHz while working
at 8kHz. The patch adds its USB ID to the existing quirk.
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently we do a read, a dummy write and a final read to fetch
the error code. The value from the final read is taken.
This is not the recommended way and leads to corrupted/lost ESR
values.
Intel(c) 64 and IA-32 Architectures Software Developer's Manual,
Combined Volumes 1, 2ABC, 3ABC, Section 10.5.3 states:
Before attempt to read from the ESR, software should first
write to it. (The value written does not affect the values read
subsequently; only zero may be written in x2APIC mode.) This
write clears any previously logged errors and updates the ESR
with any errors detected since the last write to the ESR.
This write also rearms the APIC error interrupt triggering
mechanism.
This patch removes the first read such that we are conform with
the manual.
On my (very old) Pentium MMX SMP system this patch fixes the
issue that APIC errors:
a) are not always reported and
b) are reported with false error numbers.
Signed-off-by: Richard Weinberger <richard@nod.at>
Cc: seiji.aguchi@hds.com
Cc: rientjes@google.com
Cc: konrad.wilk@oracle.com
Cc: bp@alien8.de
Cc: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1389685487-20872-1-git-send-email-richard@nod.at
Signed-off-by: Ingo Molnar <mingo@kernel.org>
On some AIO (All In One) models with the codec alc668
(Vendor ID: 0x10ec0668) on it, when we plug a headphone into the jack,
the system will switch the output to headphone and set the speaker to
automute as well as change the speaker Pin-ctls from 0x40 to 0x00,
this will bring loud noise to the headphone.
I tried to disable the corresponding EAPD, but it did not help to
eliminate the noise.
According to Takashi's suggestion, we use amp operation to replace the
pinctl modification for the automute, this really eliminate the noise.
BugLink: https://bugs.launchpad.net/bugs/1268468
Cc: David Henningsson <david.henningsson@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
If pins are used for function output like pwm, clk32k,
power good etc then set it as output mode default.
Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The check that makes sure that we have enough memory allocated to read
in the entire header of the message in question is currently busted.
It compares front_len of the incoming message with iov_len field of
ceph_msg::front structure, which is used primarily to indicate the
amount of data already read in, and not the size of the allocated
buffer. Under certain conditions (e.g. a short read from a socket
followed by that socket's shutdown and owning ceph_connection reset)
this results in a warning similar to
[85688.975866] libceph: get_reply front 198 > preallocated 122 (4#0)
and, through another bug, leads to forever hung tasks and forced
reboots. Fix this by comparing front_len with front_alloc_len field of
struct ceph_msg, which stores the actual size of the buffer.
Fixes: http://tracker.ceph.com/issues/5425
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Rename front local variable to front_len in get_reply() to make its
purpose more clear.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Rename front_max field of struct ceph_msg to front_alloc_len to make
its purpose more clear.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Support for f2fs-tools/tools/f2stat to monitor
/sys/kernel/debug/f2fs/status
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
With the 2 previous changes, all the long time operations are moved out
of the protection region, so here we can use spinlock rather than mutex
(orphan_inode_mutex) for lower overhead.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Move alloc new orphan node out of lock protection region.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Add comment describing usnic_transport_rsrv port and remove
extraneous space from usnic_transport.c.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
