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Avoid initializing the structs multiple times and pass the
PAT struct as a pointer, instead of a var.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Pass struct header_write_args as a pointer, instead of
passing as a var;
- Initialize the psi_args struct only once.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This function initializes the psi_args twice, and receives
a struct, instead of a pointer to a struct.
Clean it up.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cleanup the table_section_crc32_write_into() function
by initializing struct psi_write_args only once and by
passing the args as a pointer.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The function vidtv_psi_ts_psi_write_into() initializes the
ts_header fields several times, and receives a struct
as argument, instead of using a pointer to struct.
Cleanup the function, in order to reduce its stack usage
and to avoid initializing the ts_header multiple times.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The current event is using an undefined date. Instead, it
should be the timestamp when the EIT table was generated.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The service_id there should be equal to the one used
on other tables, otherwise, EIT entries won't be valid.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
As the service currently broadcasts just audio, change the
service type to reflect that.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
On normal TS streams, the NIT table has its own entry at PAT,
but not at PMT.
While here, properly handle alloc problems when creating
PMT entries.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The EIT header ID field should not contain the network ID, but,
instead, the service_id of the program described at EIT.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
As defined at ETSI TS 101 162, original network IDs up to 0xfebf
are reserved for registration at dvb.org.
Let's use, instead, an original network ID at the range
0xff00-0xffff, as this is for private temporary usage.
As the same value is also used for the network ID,
the range 0xff01-0xffff also fits better, as values
lower than that depend if the network is used for
satellite, terrestrial, cable of CI.
While here, move the TS ID to the bridge code, where it
is used, and change its value, as it was identical to
the value previously used by network ID. While we could
keep the same value, let's change it, just to make easier
to check for the new code while reading it with DVB tools
like dvbinspector.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Place some text at EIT data, and use ISO 8859-15 encoding for
the German letter "ü" (u mit umlat) letter.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Initialize the destination buffer/size and the initial
offset when creating the local var.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Instead of first zeroing all fields at the mux structs and
then filling, do some initialization for the const data
when they're created.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Right now, there's no need to access the length of some
tables. So, drop the unused functions.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Do some cleanups at the coding style of the driver:
- remove "inline" declarations;
- use reverse xmas-tree for local var declarations;
- Adjust some indent to avoid breaking 80-cols;
- Cleanup some comments.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Minimize the number of data copies and initialization at
the code, passing them as pointers instead of duplicating
the data.
The only case where we're keeping the data copy is at
vidtv_pes_write_h(), as it needs a copy of the passed
arguments. On such case, we're being more explicit.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Initialize the fields of the arguments directly when
declaring it, and pass the args as a pointer, instead of
copying them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The sheet music used to generate the tones had a few
polyphonic notes. Due to that, its conversion to a
tones sequence had a few errors.
Also, due to a bug at the tone generator, it was missing
the pause at the initial compass.
Fix them.
While here, reduce the compass to 100bpm.
The music was converted from a Music XML file using
this small script:
<snip>
my $count = 0;
my $silent = 0;
my $note;
my $octave;
print "\t";
while (<>) {
$note = $1 if (m,\<step\>(.*)\</step\>,);
$octave = "_$1" if (m,\<octave\>(.*)\</octave\>,);
if (m,\<alter\>1\</alter\>,) {
$note .= "S";
$sharp = 1;
}
if (m,\<rest/\>,) {
$note = "SILENT";
$silent = 1;
}
if (m,\<duration\>(.*)\</duration\>,) {
printf "{ NOTE_${note}${octave}, %d},", $1 * 128 / 480;
$count++;
if ($silent || $count >= 3) {
print "\n\t";
$count = 0;
$silent = 0;
} else {
print " ";
print " " if (!$sharp);
}
$sharp = 0;
$note = "";
$octave = "";
};
};
print "\n";
</snip>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The tone generator logic were repeating the song after the
first silent. There's also a wrong logic at the note
offset calculus, which may create some noise.
Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While the original plan was to use the first movement of
the 5th Symphony, it was opted to use the Für Elise song,
instead.
Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The Linux stack is too short. So, using recursive functions
is a very bad idea. Convert those into non-recursive ones.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Currently, there are not checks if something gets bad during
memory allocation: it will simply use NULL pointers and
crash.
Add error path at the logic which allocates memory for the
MPEG-TS generator code, propagating the errors up to the
vidtv_bridge. Now, if something wents bad, start_streaming
will return an error that userspace can detect:
ERROR DMX_SET_PES_FILTER failed (PID = 0x2000): 12 Cannot allocate memory
and the driver doesn't crash.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Place the includes on alphabetical order;
- get rid of asm/byteorder.h;
- add bug.h at vidtv_s302m.c, as it is needed by
inux/fixp-arith.h
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Some variables were only assigned once but were used in while
loops as if they had been updated at every iteration. Fix this.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
A few fields used only by the tone generator in the s302m encoder
are stored in struct vidtv_encoder. Move them into
struct vidtv_s302m_ctx instead. While we are at it: fix a
checkpatch warning for long lines.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The code to append a descriptor to the end of a chain is repeated
throughout the psi generator code. Extract it into its own helper
function to avoid cluttering.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Implement an Event Information Table (EIT) as per EN 300 468
5.2.4.
The EIT provides information in chronological order regarding
the events contained within each service.
For now only present event information is supported.
[mchehab+huawei@kernel.org: removed an extra blank line]
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a Network Information Table (NIT) as specified in ETSI EN 300 468.
This table conveys information relating to the physical organization of
the multiplexes carried via a given network and the characteristics of
the network itself.
It is conveyed in the output of vidtv as packets with TS PID of 0x0010
[mchehab+huawei@kernel.org: removed an extra blank line]
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The same constant (0xffffffff) is used in three different functions.
Extract it into a #define to avoid repetition.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The profile and level in op_set_ctrl was recently changed but during
v4l2_ctrl_handler_setup profile and level control values are mangled.
Fixes: 435c53c3698f ("media: venus: venc: Use helper to set profile and level")
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
If scaling matrix control is present, VPU should not use default matrix.
Fix that.
Fixes: b3a23db0e2f8 ("media: cedrus: Use H264_SCALING_MATRIX only when required")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Fix build warnings when CONFIG_PM is not set/enabled:
../drivers/media/platform/marvell-ccic/mmp-driver.c:324:12: warning: 'mmpcam_runtime_suspend' defined but not used [-Wunused-function]
324 | static int mmpcam_runtime_suspend(struct device *dev)
../drivers/media/platform/marvell-ccic/mmp-driver.c:310:12: warning: 'mmpcam_runtime_resume' defined but not used [-Wunused-function]
310 | static int mmpcam_runtime_resume(struct device *dev)
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The addition of MT8183 support added a dependency on the SCP remoteproc
module. However the initial patch used the "select" Kconfig directive,
which may result in the SCP module to not be compiled if remoteproc was
disabled. In such a case, mtk-vcodec would try to link against
non-existent SCP symbols. "select" was clearly misused here as explained
in kconfig-language.txt.
Replace this by a "depends" directive on at least one of the VPU and
SCP modules, to allow the driver to be compiled as long as one of these
is enabled, and adapt the code to support this new scenario.
Also adapt the Kconfig text to explain the extra requirements for MT8173
and MT8183.
Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: bf1d556ad4e0 ("media: mtk-vcodec: abstract firmware interface")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
mtk-vcodec supports two kinds of firmware, VPU and SCP. Both were
supported from the same source files, but this is clearly unclean and
makes it more difficult to disable support for one or the other.
Move these implementations into their own file, after adding the
necessary private interfaces.
[hverkuil: smatch fix: mtk_vcodec_fw_vpu_init() error: uninitialized symbol 'rst_id'.]
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: bf1d556ad4e0 ("media: mtk-vcodec: abstract firmware interface")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Handle the BTF bit correctly so it doesn't get lost due to a kernel #DB
- Only clear and set the virtual DR6 value used by ptrace on user space
triggered #DB. A kernel #DB must leave it alone to ensure data
consistency for ptrace.
- Make the bitmasking of the virtual DR6 storage correct so it does not
lose DR_STEP.
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Merge tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Three fixes all related to #DB:
- Handle the BTF bit correctly so it doesn't get lost due to a kernel
#DB
- Only clear and set the virtual DR6 value used by ptrace on user
space triggered #DB. A kernel #DB must leave it alone to ensure
data consistency for ptrace.
- Make the bitmasking of the virtual DR6 storage correct so it does
not lose DR_STEP"
* tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Fix DR_STEP vs ptrace_get_debugreg(6)
x86/debug: Only clear/set ->virtual_dr6 for userspace #DB
x86/debug: Fix BTF handling
- Prevent undefined behaviour in the timespec64_to_ns() conversion which
is used for converting user supplied time input to nanoseconds. It
lacked overflow protection.
- Mark sched_clock_read_begin/retry() to prevent recursion in the tracer
- Remove unused debug functions in the hrtimer and timerlist code
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Merge tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A few fixes for timers/timekeeping:
- Prevent undefined behaviour in the timespec64_to_ns() conversion
which is used for converting user supplied time input to
nanoseconds. It lacked overflow protection.
- Mark sched_clock_read_begin/retry() to prevent recursion in the
tracer
- Remove unused debug functions in the hrtimer and timerlist code"
* tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Prevent undefined behaviour in timespec64_to_ns()
timers: Remove unused inline funtion debug_timer_free()
hrtimer: Remove unused inline function debug_hrtimer_free()
time/sched_clock: Mark sched_clock_read_begin/retry() as notrace
caused by recursion when enabling or disabling a tracer on RISC-V (probably
all architectures which patch through stop machine).
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Merge tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp fix from Thomas Gleixner:
"A single fix for stop machine.
Mark functions no trace to prevent a crash caused by recursion when
enabling or disabling a tracer on RISC-V (probably all architectures
which patch through stop machine)"
* tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
stop_machine, rcu: Mark functions as notrace
- Fix incorrect failure injection handling on the fuxtex code
- Prevent a preemption warning in lockdep when tracking local_irq_enable()
and interrupts are already enabled
- Remove more raw_cpu_read() usage from lockdep which causes state
corruption on !X86 architectures.
- Make the nr_unused_locks accounting in lockdep correct again.
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Merge tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A couple of locking fixes:
- Fix incorrect failure injection handling in the fuxtex code
- Prevent a preemption warning in lockdep when tracking
local_irq_enable() and interrupts are already enabled
- Remove more raw_cpu_read() usage from lockdep which causes state
corruption on !X86 architectures.
- Make the nr_unused_locks accounting in lockdep correct again"
* tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep: Fix nr_unused_locks accounting
locking/lockdep: Remove more raw_cpu_read() usage
futex: Fix incorrect should_fail_futex() handling
lockdep: Fix preemption WARN for spurious IRQ-enable
Here's some small fixes for 5.10-rc2 and a big driver removal.
The fixes are for some reported issues in the interconnect and coresight
drivers, nothing major.
The "big" driver removal is the MIC drivers have been asked to be
removed as the hardware never shipped and Intel no longer wants to
maintain something that no one can use. This is welcomed by many as the
DMA usage of these drivers was "interesting" and the security people
were starting to question some issues that were starting to be found in
the codebase.
Note, one of the subsystems for this driver, the "VOP" code, will
probably come back in future kernel versions as it was looking to
potentially solve some PCIe virtualization issues that a number of other
vendors were wanting to solve. But as-is, this codebase didn't work for
anyone else so no actual functionality is being removed.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes/removals from Greg KH:
"Here's some small fixes for 5.10-rc2 and a big driver removal.
The fixes are for some reported issues in the interconnect and
coresight drivers, nothing major.
The "big" driver removal is the MIC drivers have been asked to be
removed as the hardware never shipped and Intel no longer wants to
maintain something that no one can use. This is welcomed by many as
the DMA usage of these drivers was "interesting" and the security
people were starting to question some issues that were starting to be
found in the codebase.
Note, one of the subsystems for this driver, the "VOP" code, will
probably come back in future kernel versions as it was looking to
potentially solve some PCIe virtualization issues that a number of
other vendors were wanting to solve. But as-is, this codebase didn't
work for anyone else so no actual functionality is being removed.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: cti: Initialize dynamic sysfs attributes
coresight: Fix uninitialised pointer bug in etm_setup_aux()
coresight: add module license
misc: mic: remove the MIC drivers
interconnect: qcom: use icc_sync state for sm8[12]50
interconnect: qcom: Ensure that the floor bandwidth value is enforced
interconnect: qcom: sc7180: Init BCMs before creating the nodes
interconnect: qcom: sdm845: Init BCMs before creating the nodes
interconnect: Aggregate before setting initial bandwidth
interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
Here is one tiny debugfs change to fix up an API where the last user was
successfully fixed up in 5.10-rc1 (so it couldn't be merged earlier),
and a much larger Documentation/ABI/ update to the files so they can be
automatically parsed by our tools.
The Documentation/ABI/ updates are just formatting issues, small ones to
bring the files into parsable format, and have been acked by numerous
subsystem maintainers and the documentation maintainer. I figured it
was good to get this into 5.10-rc2 to help with the merge issues that
would arise if these were to stick in linux-next until 5.11-rc1.
The debugfs change has been in linux-next for a long time, and the
Documentation updates only for the last linux-next release.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and documentation fixes from Greg KH:
"Here is one tiny debugfs change to fix up an API where the last user
was successfully fixed up in 5.10-rc1 (so it couldn't be merged
earlier), and a much larger Documentation/ABI/ update to the files so
they can be automatically parsed by our tools.
The Documentation/ABI/ updates are just formatting issues, small ones
to bring the files into parsable format, and have been acked by
numerous subsystem maintainers and the documentation maintainer. I
figured it was good to get this into 5.10-rc2 to help wih the merge
issues that would arise if these were to stick in linux-next until
5.11-rc1.
The debugfs change has been in linux-next for a long time, and the
Documentation updates only for the last linux-next release"
* tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (40 commits)
scripts: get_abi.pl: assume ReST format by default
docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplication
docs: ABI: sysfs-class-backlight: unify ABI documentation
docs: ABI: sysfs-c2port: remove a duplicated entry
docs: ABI: sysfs-class-power: unify duplicated properties
docs: ABI: unify /sys/class/leds/<led>/brightness documentation
docs: ABI: stable: remove a duplicated documentation
docs: ABI: change read/write attributes
docs: ABI: cleanup several ABI documents
docs: ABI: sysfs-bus-nvdimm: use the right format for ABI
docs: ABI: vdso: use the right format for ABI
docs: ABI: fix syntax to be parsed using ReST notation
docs: ABI: convert testing/configfs-acpi to ReST
docs: Kconfig/Makefile: add a check for broken ABI files
docs: abi-testing.rst: enable --rst-sources when building docs
docs: ABI: don't escape ReST-incompatible chars from obsolete and removed
docs: ABI: create a 2-depth index for ABI
docs: ABI: make it parse ABI/stable as ReST-compatible files
docs: ABI: sysfs-uevent: make it compatible with ReST output
docs: ABI: testing: make the files compatible with ReST output
...
Here are some small staging driver fixes for issues that have been
reported in 5.10-rc1:
- octeon driver fixes
- wfx driver fixes
- memory leak fix in vchiq driver
- fieldbus driver bugfix
- comedi driver bugfix
All of these have been in linux-next with no reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for issues that have been
reported in 5.10-rc1:
- octeon driver fixes
- wfx driver fixes
- memory leak fix in vchiq driver
- fieldbus driver bugfix
- comedi driver bugfix
All of these have been in linux-next with no reported issues"
* tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: fieldbus: anybuss: jump to correct label in an error path
staging: wfx: fix test on return value of gpiod_get_value()
staging: wfx: fix use of uninitialized pointer
staging: mmal-vchiq: Fix memory leak for vchiq_instance
staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
staging: octeon: Drop on uncorrectable alignment or FCS error
staging: octeon: repair "fixed-link" support
