| Commit message (Collapse) | Author | Age | Files | Lines |
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This is the mindless scripted replacement of kernel use of POLL*
variables as described by Al, done by this script:
for V in IN OUT PRI ERR RDNORM RDBAND WRNORM WRBAND HUP RDHUP NVAL MSG; do
L=`git grep -l -w POLL$V | grep -v '^t' | grep -v /um/ | grep -v '^sa' | grep -v '/poll.h$'|grep -v '^D'`
for f in $L; do sed -i "-es/^\([^\"]*\)\(\<POLL$V\>\)/\\1E\\2/" $f; done
done
with de-mangling cleanups yet to come.
NOTE! On almost all architectures, the EPOLL* constants have the same
values as the POLL* constants do. But they keyword here is "almost".
For various bad reasons they aren't the same, and epoll() doesn't
actually work quite correctly in some cases due to this on Sparc et al.
The next patch from Al will sort out the final differences, and we
should be all done.
Scripted-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
"Makefile changes:
- enable unused-variable warning that was wrongly disabled for clang
Kconfig changes:
- warn about blank 'help' and fix existing instances
- fix 'choice' behavior to not write out invisible symbols
- fix misc weirdness
Coccinell changes:
- fix false positive of free after managed memory alloc detection
- improve performance of NULL dereference detection"
* tag 'kbuild-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits)
kconfig: remove const qualifier from sym_expand_string_value()
kconfig: add xrealloc() helper
kconfig: send error messages to stderr
kconfig: echo stdin to stdout if either is redirected
kconfig: remove check_stdin()
kconfig: remove 'config*' pattern from .gitignnore
kconfig: show '?' prompt even if no help text is available
kconfig: do not write choice values when their dependency becomes n
coccinelle: deref_null: avoid useless computation
coccinelle: devm_free: reduce false positives
kbuild: clang: disable unused variable warnings only when constant
kconfig: Warn if help text is blank
nios2: kconfig: Remove blank help text
arm: vt8500: kconfig: Remove blank help text
MIPS: kconfig: Remove blank help text
MIPS: BCM63XX: kconfig: Remove blank help text
lib/Kconfig.debug: Remove blank help text
Staging: rtl8192e: kconfig: Remove blank help text
Staging: rtl8192u: kconfig: Remove blank help text
mmc: kconfig: Remove blank help text
...
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Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are mostly fixes and cleanups and removal of the no longer
needed at32ap-cpufreq driver.
Specifics:
- Drop the at32ap-cpufreq driver which is useless after the removal
of the corresponding arch (Corentin LABBE).
- Fix a regression from the 4.14 cycle in the APM idle driver by
making it initialize the polling state properly (Rafael Wysocki).
- Fix a crash on failing system suspend due to a missing check in the
cpufreq core (Bo Yan).
- Make the intel_pstate driver initialize the hardware-managed
P-state control (HWP) feature on CPU0 upon resume from system
suspend if HWP had been enabled before the system was suspended
(Chen Yu).
- Fix up the SCPI cpufreq driver after recent changes (Sudeep Holla,
Wei Yongjun).
- Avoid pointer subtractions during frequency table walks in cpufreq
(Dominik Brodowski).
- Avoid the check for ProcFeedback in ST/CZ in the cpufreq driver for
AMD processors and add a MODULE_ALIAS for cpufreq on ARM IMX (Akshu
Agrawal, Nicolas Chauvet).
- Fix the prototype of swsusp_arch_resume() on x86 (Arnd Bergmann).
- Fix up the parsing of power domains DT data (Ulf Hansson)"
* tag 'pm-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
arm: imx: Add MODULE_ALIAS for cpufreq
cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx()
cpufreq: intel_pstate: Enable HWP during system resume on CPU0
cpufreq: scpi: fix error return code in scpi_cpufreq_init()
x86: hibernate: fix swsusp_arch_resume() prototype
PM / domains: Fix up domain-idle-states OF parsing
cpufreq: scpi: fix static checker warning cdev isn't an ERR_PTR
cpufreq: remove at32ap-cpufreq
cpufreq: AMD: Ignore the check for ProcFeedback in ST/CZ
x86: PM: Make APM idle driver initialize polling state
cpufreq: Skip cpufreq resume if it's not suspended
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Pointer subtraction is slow and tedious. Therefore, replace all instances
where cpufreq_for_each_{valid_,}entry loops contained such substractions
with an iteration macro providing an index to the frequency_table entry.
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Link: http://lkml.kernel.org/r/20180120020237.GM13338@ZenIV.linux.org.uk
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- videobuf2 was moved to a media/common dir, as it is now used by the
DVB subsystem too
- Digital TV core memory mapped support interface
- new sensor driver: ov7740
- several improvements at ddbridge driver
- new V4L2 driver: IPU3 CIO2 CSI-2 receiver unit, found on some Intel
SoCs
- new tuner driver: tda18250
- finally got rid of all LIRC staging drivers
- as we don't have old lirc drivers anymore, restruct the lirc device
code
- add support for UVC metadata
- add a new staging driver for NVIDIA Tegra Video Decoder Engine
- DVB kAPI headers moved to include/media
- synchronize the kAPI and uAPI for the DVB subsystem, removing the gap
for non-legacy APIs
- reduce the kAPI gap for V4L2
- lots of other driver enhancements, cleanups, etc.
* tag 'media/v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (407 commits)
media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs
media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic
media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors
media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type
media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32
media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer
media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32
media: v4l2-compat-ioctl32.c: avoid sizeof(type)
media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32
media: v4l2-compat-ioctl32.c: fix the indentation
media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt
media: vivid: fix module load error when enabling fb and no_error_inj=1
media: dvb_demux: improve debug messages
media: dvb_demux: Better handle discontinuity errors
media: cxusb, dib0700: ignore XC2028_I2C_FLUSH
media: ts2020: avoid integer overflows on 32 bit machines
media: i2c: ov7740: use gpio/consumer.h instead of gpio.h
media: entity: Add a nop variant of media_entity_cleanup
...
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Without CONFIG_DMA_SHARED_BUFFER we run into a link error for the
dma_buf_* APIs:
ERROR: "dma_buf_map_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_attach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_get" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_put" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_detach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_unmap_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Even on text and Kconfigs, what we do on media is to use
tabs for indentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Linux 4.15-rc6
* tag 'v4.15-rc6': (734 commits)
Linux 4.15-rc6
MAINTAINERS: mark arch/blackfin/ and its gubbins as orphaned
x86/ldt: Make LDT pgtable free conditional
x86/ldt: Plug memory leak in error path
x86/mm: Remove preempt_disable/enable() from __native_flush_tlb()
x86/smpboot: Remove stale TLB flush invocations
objtool: Fix seg fault with clang-compiled objects
objtool: Fix seg fault caused by missing parameter
kbuild: add '-fno-stack-check' to kernel build options
timerqueue: Document return values of timerqueue_add/del()
timers: Invoke timer_start_debug() where it makes sense
nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick()
timers: Reinitialize per cpu bases on hotplug
timers: Use deferrable base independent of base::nohz_active
genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI
genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
x86/vector: Use IRQD_CAN_RESERVE flag
genirq: Introduce IRQD_CAN_RESERVE flag
genirq/msi: Handle reactivation only on success
gpio: brcmstb: Make really use of the new lockdep class
...
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As reported:
drivers/staging/media/imx/imx-media-dev.c: In function 'find_async_subdev':
>> drivers/staging/media/imx/imx-media-dev.c:55:49: error: request for member 'name' in something not a structure or union
if (devname && !strcmp(asd->match.device_name.name,
^
drivers/staging/media/imx/imx-media-dev.c: In function 'imx_media_add_async_subdev':
drivers/staging/media/imx/imx-media-dev.c:110:25: error: request for member 'name' in something not a structure or union
asd->match.device_name.name = devname;
^
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_DEVNAME
match criteria requires just a device name.
So, it doesn't make sense to enclose those into structs,
as the criteria can go directly into the union.
That makes easier to document it, as we don't need to document
weird senseless structs.
At drivers, this makes even clearer about the match criteria.
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Hyun Kwon <hyun.kwon@xilinx.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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MRD7 board has in particular
Base Board Information
Manufacturer: Intel Corp.
Product Name: TABLET
Version: MRD 7
Fix the DMI matching entry for it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The traditional pattern is to use DMI matching table and provide a
corresponding driver_data in it.
Convert driver to use DMI matching table.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is no need to export function which is only used once in
the same module where it's defined.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There is no need to keep a reference to PCI root bridge.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In a preparation of split PCI glue driver from core part, convert
the driver to use more generic struct device_driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since all drivers are solely requiring ACPI enumeration, there is no
need to additionally check for legacy platform data or ACPI handle.
Remove leftovers from the sensors and platform code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Custom video format 'M101' is not supported in upstream and as a result
user will get ugly warning:
Unknown pixelformat 0x3130314d
------------[ cut here ]------------
WARNING: CPU: 3 PID: 1574 at drivers/media/v4l2-core/v4l2-ioctl.c:1291 v4l_enum_fmt+0xcf1/0x13a0 [videodev]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Driver fails to initialize due to insane settings in the
control init array.
Fix this by moving to sanity.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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GPIO framework checks for NULL pointer when gpiod_set_value() is called.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In case devm_clk_get() call fails the previously requested GPIOs are
left requested.
Fix this by moving GPIO request code after devm_clk_get() call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is a clean-up patch which replaces DEVICE_ATTR() macro with file
permission specific DEVICE_ATTR_RO() macro for compaction and
readability.
Done using coccinelle:
@r@
identifier attr, show_fn;
declarer name DEVICE_ATTR;
@@
DEVICE_ATTR(attr, \(S_IRUGO\|0444\), show_fn, NULL);
@script: python p@
attr_show;
attr << r.attr;
@@
// standardise the show fn name to {attr}_show
coccinelle.attr_show = attr + "_show"
@@
identifier r.attr, r.show_fn;
declarer name DEVICE_ATTR_RO;
@@
// change the attr declaration
- DEVICE_ATTR(attr, \(S_IRUGO\|0444\), show_fn, NULL);
+ DEVICE_ATTR_RO(attr);
@rr@
identifier r.show_fn, p.attr_show;
@@
// rename the show function
- show_fn
+ attr_show
(...) {
...
}
@depends on rr@
identifier r.show_fn, p.attr_show;
@@
// rename fn usages
- show_fun
+ attr_show
Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fixed sparse warning by making 'dtrace_dot' function static.
Signed-off-by: Sergiy Redko <sergredko@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix "suspect code indent for conditional statements" checkpatch issue
Signed-off-by: Riccardo Schirone <sirmy15@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix "Comparisons should place the constant on the right side of the
test" checkpatch issue.
Signed-off-by: Riccardo Schirone <sirmy15@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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- Fix "Block comments use a trailing */ on a separate line" checkpatch
issue
- Fix "Block comments use * on subsequent lines" checkpatch issue
Signed-off-by: Riccardo Schirone <sirmy15@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix "Missing a blank line after declarations" warning reported by
checkpatch.
Signed-off-by: Riccardo Schirone <sirmy15@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as
where a PCI device is present. This restricts the device drivers to be
reused for other domain numbers.
Getting ready to remove pci_get_bus_and_slot() function. Since ISP always
uses domain 0, hard-code it in the code when calling the replacement
function pci_get_domain_bus_and_slot().
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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timespec overflows in 2038 on 32-bit architectures, and the
getnstimeofday() suffers from possible time jumps, so the
timestamps here are better done using ktime_get(), which has
neither of those problems.
In case of ov2680, we don't seem to use the timestamp at
all, so I just remove it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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static?" sparse warnings
Defined some const arrays as static since they don't need external linkage.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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pointer" warnings
The "address" member of struct ia_css_host_data is a pointer-to-char,
so define default as NULL.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Except for DVB, all media kAPI headers are at include/media.
Move the headers to it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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* 'docs-next' of git://git.lwn.net/linux: (888 commits)
w1_netlink.h: add support for nested structs
scripts: kernel-doc: apply filtering rules to warnings
scripts: kernel-doc: improve nested logic to handle multiple identifiers
scripts: kernel-doc: handle nested struct function arguments
scripts: kernel-doc: print the declaration name on warnings
scripts: kernel-doc: get rid of $nested parameter
scripts: kernel-doc: parse next structs/unions
scripts: kernel-doc: replace tabs by spaces
scripts: kernel-doc: change default to ReST format
scripts: kernel-doc: improve argument handling
scripts: kernel-doc: get rid of unused output formats
docs: get rid of kernel-doc-nano-HOWTO.txt
docs: kernel-doc.rst: add documentation about man pages
docs: kernel-doc.rst: improve typedef documentation
docs: kernel-doc.rst: improve structs chapter
docs: kernel-doc.rst: improve function documentation section
docs: kernel-doc.rst: improve private members description
docs: kernel-doc.rst: better describe kernel-doc arguments
docs: fix process/submit-checklist.rst Sphinx warning
docs: ftrace-uses.rst fix varios code-block directives
...
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Update TODO file:
- Remove TODO info about the OV564x driver, while this still needs
to be done (add a OV5642 driver or merge with OV5640 driver), it
is not relevant here.
- Update TODO about methods for retrieving CSI bus config.
- Add some TODO's about OF graph parsing restrictions.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Re-order some of the function prototypes in imx-media.h to
group them correctly by source file. No functional changes.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Although not technically necessary because imx-media has only a
maximum of 8 video devices, and once setup the video device lists
are static, in anticipation of moving control ineritance to
v4l2-core, make the vdev lists more generic by converting to
dynamic list_head's.
After doing that, 'struct imx_media_pad' is now just a list_head
of video devices reachable from a pad. Allocate an array of list_head's,
one list_head for each pad, and attach that array to sd->host_priv.
An entry in the pad lists is of type 'struct imx_media_pad_vdev', and
points to a video device from the master list.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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For more complex OF graphs, there will be more async subdevices
registered. Remove the static subdev[IMX_MEDIA_MAX_SUBDEVS] array,
so that imx-media places no limits on the number of async subdevs
that can be added and registered.
There were two uses for 'struct imx_media_subdev'. First was to act
as the async subdev list to be passed to v4l2_async_notifier_register().
Second was to aid in inheriting subdev controls to the capture devices,
and this is done by creating a list of capture devices that can be reached
from a subdev's source pad. So 'struct imx_media_subdev' also contained
a static array of 'struct imx_media_pad' for placing the capture device
lists at each pad.
'struct imx_media_subdev' has been completely removed. Instead, at async
completion, allocate an array of 'struct imx_media_pad' and attach it to
the subdev's host_priv pointer, in order to support subdev controls
inheritance.
Likewise, remove static async_ptrs[IMX_MEDIA_MAX_SUBDEVS] array.
Instead, allocate a 'struct imx_media_async_subdev' when forming
the async list, and add it to an asd_list list_head in
imx_media_add_async_subdev(). At async completion, allocate the
asd pointer list and pull the asd's off asd_list for
v4l2_async_notifier_register().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Pass the subdev's fwnode_handle to imx_media_find_async_subdev() and
imx_media_add_async_subdev(), instead of a device_node.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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A separate string for the device name, for DEVNAME async match, was
never needed. Just assign the asd device name to the passed platform
device name pointer in imx_media_add_async_subdev().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Calling of_parse_subdev() recursively to a downstream path that has
already been followed is ok, it just means that call will return
immediately since the subdevice was already added to the async list.
With that there is no need to determine whether a subdevice's port
is a sink or source, so 'num_{sink|src}_pads' is no longer used and
is removed.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove the static list of media links that were formed at probe time.
These links can instead be created after all registered async subdevices
have been bound in imx_media_probe_complete().
The media links between subdevices that exist in the device tree, can
be created post-async completion by using v4l2_fwnode_parse_link() for
each endpoint node of that subdevice. Note this approach assumes
device-tree ports are equivalent to media pads (pad index equals
port id), and that device-tree endpoints are equivalent to media
links between pads.
Because links are no longer parsed by imx_media_of_parse(), its sole
function is now only to add subdevices that it encounters by walking
the OF graph to the async list, so the function has been renamed
imx_media_add_of_subdevs().
Similarly, the media links between the IPU-internal subdevice pads (the
CSI source pads, and all pads between the vdic, ic-prp, ic-prpenc, and
ic-prpvf subdevices), can be created post-async completion by looping
through the subdevice's media pads and using the const internal_subdev
table.
Because links are no longer parsed by imx_media_add_internal_subdevs(),
this function no longer needs an array of CSI subdevs to form links
from.
In summary, the following functions, which were used to form a list
of media links at probe time, are removed:
imx_media_add_pad_link()
add_internal_links()
of_add_pad_link()
replaced by these functions, called at probe time, which only populate
the async subdev list:
imx_media_add_of_subdevs()
imx_media_add_internal_subdevs()
and these functions, called at async completion, which create the
media links:
imx_media_create_of_links()
imx_media_create_csi_of_links()
imx_media_create_internal_links()
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The imx-media driver currently supports a device tree graph of
limited complexity. This patch is a first step in allowing imx-media
to work with more general OF graphs.
The CSI subdevice assumes the originating upstream subdevice (the
"sensor") is connected directly to either the CSI mux or the MIPI
CSI-2 receiver. But for more complex graphs, the sensor can be distant,
with possible bridge entities in between. Thus the sensor's bus type
could be quite different from what is entering the CSI. For example
a distant sensor could have a parallel interface, but the stream
entering the i.MX is MIPI CSI-2.
To remove this assumption, get the entering bus config from the entity
that is directly upstream from either the CSI mux, or the CSI-2 receiver.
If the CSI-2 receiver is not in the enabled pipeline, the bus type to the
CSI is parallel, otherwise the CSI is receiving MIPI CSI-2.
Note that we can't use the direct upstream source connected to CSI
(which is either the CSI mux or the CSI-2 receiver) to determine
bus type. The bus entering the CSI from the CSI-2 receiver is a 32-bit
parallel bus containing the demultiplexed MIPI CSI-2 virtual channels.
But the CSI and its IDMAC channels must be configured based on whether
it is receiving data from the CSI-2 receiver or from the CSI mux's
parallel interface pins.
The function csi_get_upstream_endpoint() is used to find this
endpoint. It makes use of a new utility function
imx_media_find_upstream_pad(), that if given a grp_id of 0, will
return the closest upstream pad from start_entity.
With these changes, imx_media_find_sensor() is no longer used and
is removed. As a result there is also no longer a need to identify
any sensor or set the sensor subdev's group id as a method to search
for it. So IMX_MEDIA_GRP_ID_SENSOR is removed. Also the video-mux group
id IMX_MEDIA_GRP_ID_VIDMUX was never used so that is removed as well.
The remaining IMX_MEDIA_GRP_ID_* definitions are entities internal
to the i.MX.
Another use of imx_media_find_sensor() in the CSI was to call the
sensor's g_skip_frames op to determine if a delay was needed before
enabling the CSI at stream on. If necessary this will have to be
re-addressed at a later time.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Prefix dev_*() I2C address prints with 0x, change CXD2099 to CXD2099AR,
change the MODULE_DESCRIPTION to a proper one and have a better (and
shorter) description for the buffermode modparam.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Debug messages should go to KERN_DEBUG, thus change the slot_shutdown()
notice from dev_info() to dev_dbg().
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix up all remaining cosmetic issues as reported by checkpatch.pl.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The ir-kbd-i2c driver behaves like the lirc_zilog driver, except it can
send raw IR and receives scancodes rather than lirccodes.
The lirc_zilog driver only polls if the lirc chardev is opened;
similarly the ir-kbd-i2c driver only polls if the corresponding input
device is opened, or the lirc device.
Polling is disabled during IR transmission through the mutex.
The polling period is 402ms in the ir-kdb-i2c driver, and 260ms in the
lirc_zilog driver.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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NVIDIA Tegra20/30/114/124/132 SoC's have video decoder engine that
supports standard set of video formats like H.264 / MPEG-4 / WMV / VC1.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Bitmask for the MIPI CSI-2 data PHY status doesn't seem to be correct.
Fix it.
Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Setting a burst size of "8" doesn't work for IMX219 with 8-bit bayer,
but a burst size of "16" does. Fix this.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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