Here is the big set of USB and Thunderbolt driver updates for 6.5-rc1.
Included in here are:
- Lots of USB4/Thunderbolt additions and updates for new hardware
types and fixes as people are starting to get access to the hardware
in the wild
- new gadget controller driver, cdns2, added
- new typec drivers added
- xhci driver updates
- typec driver updates
- usbip driver fixes
- usb-serial driver updates and fixes
- lots of smaller USB driver updates
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for 6.5-rc1.
Included in here are:
- Lots of USB4/Thunderbolt additions and updates for new hardware
types and fixes as people are starting to get access to the
hardware in the wild
- new gadget controller driver, cdns2, added
- new typec drivers added
- xhci driver updates
- typec driver updates
- usbip driver fixes
- usb-serial driver updates and fixes
- lots of smaller USB driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (265 commits)
usb: host: xhci-plat: Set XHCI_STATE_REMOVING before resuming XHCI HC
usb: host: xhci: Do not re-initialize the XHCI HC if being removed
usb: typec: nb7vpq904m: fix CONFIG_DRM dependency
usbip: usbip_host: Replace strlcpy with strscpy
usb: dwc3: gadget: Propagate core init errors to UDC during pullup
USB: serial: option: add LARA-R6 01B PIDs
usb: ulpi: Make container_of() no-op in to_ulpi_dev()
usb: gadget: legacy: fix error return code in gfs_bind
usb: typec: fsa4480: add support for Audio Accessory Mode
usb: typec: fsa4480: rework mux & switch setup to handle more states
usb: typec: ucsi: call typec_set_mode on non-altmode partner change
USB: gadget: f_hid: make hidg_class a static const structure
USB: gadget: f_printer: make usb_gadget_class a static const structure
USB: mon: make mon_bin_class a static const structure
USB: gadget: udc: core: make udc_class a static const structure
USB: roles: make role_class a static const structure
dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt
dt-bindings: usb: Add StarFive JH7110 USB controller
dt-bindings: usb: dwc3: Add IPQ9574 compatible
usb: cdns2: Fix spelling mistake in a trace message "Wakupe" -> "Wakeup"
...
- Add support for Intel Cherry Trail Whiskey Cove PMIC LEDs
- Add support for Awinic AW20036/AW20054/AW20072 LEDs
- New Device Support
- Add support for PMI632 LPG to QCom LPG
- Add support for PMI8998 to QCom Flash
- Add support for MT6331, WLEDs and MT6332 to Mediatek MT6323 PMIC
- New Functionality
- Implement the LP55xx Charge Pump
- Add support for suspend / resume to Intel Cherry Trail Whiskey Cove PMIC
- Add support for breathing mode to Intel Cherry Trail Whiskey Cove PMIC
- Enable per-pin resolution Pinctrl in LEDs GPIO
- Fix-ups
- Allow thread to sleep by switching from spinlock to mutex
- Add lots of Device Tree bindings / support
- Adapt relationships / dependencies driven by Kconfig
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous / duplicate code
- Replace strlcpy() with strscpy() for efficiency and overflow prevention
- Staticify various functions
- Trivial: Fixing coding style
- Simplify / reduce code
- Bug Fixes
- Prevent NETDEV_LED_MODE_LINKUP from being cleared on rename
- Repair race between led_set_brightness(LED_{OFF,FULL})
- Fix Oops relating to sleeping in critical sections
- Clear LED_INIT_DEFAULT_TRIGGER flag when clearing the current trigger
- Do not leak resources in error handling paths
- Fix unsigned comparison which can never be negative
- Provide missing NULL terminating entries in tables
- Fix misnaming issues
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Merge tag 'leds-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"New Drivers:
- Add support for Intel Cherry Trail Whiskey Cove PMIC LEDs
- Add support for Awinic AW20036/AW20054/AW20072 LEDs
New Device Support:
- Add support for PMI632 LPG to QCom LPG
- Add support for PMI8998 to QCom Flash
- Add support for MT6331, WLEDs and MT6332 to Mediatek MT6323 PMIC
New Functionality:
- Implement the LP55xx Charge Pump
- Add support for suspend / resume to Intel Cherry Trail Whiskey Cove PMIC
- Add support for breathing mode to Intel Cherry Trail Whiskey Cove PMIC
- Enable per-pin resolution Pinctrl in LEDs GPIO
Fix-ups:
- Allow thread to sleep by switching from spinlock to mutex
- Add lots of Device Tree bindings / support
- Adapt relationships / dependencies driven by Kconfig
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous / duplicate code
- Replace strlcpy() with strscpy() for efficiency and overflow prevention
- Staticify various functions
- Trivial: Fixing coding style
- Simplify / reduce code
Bug Fixes:
- Prevent NETDEV_LED_MODE_LINKUP from being cleared on rename
- Repair race between led_set_brightness(LED_{OFF,FULL})
- Fix Oops relating to sleeping in critical sections
- Clear LED_INIT_DEFAULT_TRIGGER flag when clearing the current trigger
- Do not leak resources in error handling paths
- Fix unsigned comparison which can never be negative
- Provide missing NULL terminating entries in tables
- Fix misnaming issues"
* tag 'leds-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (53 commits)
leds: leds-mt6323: Adjust return/parameter types in wled get/set callbacks
leds: sgm3140: Add richtek,rt5033-led compatible
dt-bindings: leds: sgm3140: Document richtek,rt5033 compatible
dt-bindings: backlight: kinetic,ktz8866: Add missing type for "current-num-sinks"
dt-bindings: leds: Drop unneeded quotes
leds: Fix config reference for AW200xx driver
leds: leds-mt6323: Add support for WLEDs and MT6332
leds: leds-mt6323: Add support for MT6331 leds
leds: leds-mt6323: Open code and drop MT6323_CAL_HW_DUTY macro
leds: leds-mt6323: Drop MT6323_ prefix from macros and defines
leds: leds-mt6323: Specify registers and specs in platform data
dt-bindings: leds: leds-mt6323: Document mt6332 compatible
dt-bindings: leds: leds-mt6323: Document mt6331 compatible
leds: simatic-ipc-leds-gpio: Introduce more Kconfig switches
leds: simatic-ipc-leds-gpio: Split up into multiple drivers
leds: simatic-ipc-leds-gpio: Move two extra gpio pins into another table
leds: simatic-ipc-leds-gpio: Add terminating entries to gpio tables
leds: flash: leds-qcom-flash: Fix an unsigned comparison which can never be negative
leds: cht-wcove: Remove unneeded semicolon
leds: cht-wcove: Fix an unsigned comparison which can never be negative
...
* I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
* platform remove callback converted to return void in drivers
* simplify drivers by using devm_clk_get_enabled()
* introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
* and the usual bunch of driver updates
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Merge tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
- platform remove callback converted to return void in drivers
- simplify drivers by using devm_clk_get_enabled()
- introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
- and the usual bunch of driver updates
* tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: uniphier: Use devm_clk_get_enabled()
i2c: uniphier-f: Use devm_clk_get_enabled()
i2c: owl: Use devm_clk_get_enabled()
i2c: lpc2k: Use devm_clk_get_enabled()
i2c: hix5hd2: Use devm_clk_get_enabled()
i2c: sun6i-p2wi: Use devm_clk_get_enabled()
i2c: pasemi-platform: Use devm_clk_get_enabled()
i2c: mt7621: Use devm_clk_get_enabled()
i2c: xiic: Use devm_clk_get_enabled()
i2c: davinci: Use platform table macro over module_alias
i2c: ocores: use devm_ managed clks
i2c: nomadik: Use dev_err_probe() whenever possible
i2c: nomadik: Use devm_clk_get_enabled()
i2c: nomadik: Remove unnecessary goto label
usb: typec: ucsi: Mark dGPUs as DEVICE scope
i2c: wmt: Use devm_platform_get_and_ioremap_resource()
i2c: versatile: Use devm_platform_get_and_ioremap_resource()
i2c: hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.
i2c: mpc: Use of_property_read_reg() to parse "reg"
i2c: imx-lpi2c: Don't open-code DIV_ROUND_UP
...
These are mostly minor cleanups and bugfixes that address harmless
problems.
The largest branch is a conversion of the omap platform
to use GPIO descriptors throughout the tree, for any devices that
are not fully converted to devicetree.
The Samsung Exynos platform gains back support for the Exynos4212
chip that was previously unused and removed but is now used for
the Samsung Galaxy Tab3.
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Merge tag 'soc-arm-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"These are mostly minor cleanups and bugfixes that address harmless
problems.
The largest branch is a conversion of the omap platform to use GPIO
descriptors throughout the tree, for any devices that are not fully
converted to devicetree.
The Samsung Exynos platform gains back support for the Exynos4212 chip
that was previously unused and removed but is now used for the Samsung
Galaxy Tab3"
* tag 'soc-arm-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
ARM: omap2: Fix copy/paste bug
MAINTAINERS: Replace my email address
Input: ads7846 - fix pointer cast warning
Input: ads7846 - Fix usage of match data
ARM: omap2: Fix checkpatch issues
arm: omap1: replace printk() with pr_err macro
ARM: omap: Fix checkpatch issues
ARM: s3c: Switch i2c drivers back to use .probe()
ARM: versatile: mark mmc_status() static
ARM: spear: include "pl080.h" for pl080_get_signal() prototype
ARM: sa1100: address missing prototype warnings
ARM: pxa: fix missing-prototypes warnings
ARM: orion5x: fix d2net gpio initialization
ARM: omap2: fix missing tick_broadcast() prototype
ARM: omap1: add missing include
ARM: lpc32xx: add missing include
ARM: imx: add missing include
ARM: highbank: add missing include
ARM: ep93xx: fix missing-prototype warnings
ARM: davinci: fix davinci_cpufreq_init() declaration
...
Core GPIO library:
- remove unused symbols
- don't spam the kernel log with messages about hogs
- remove old sysfs API cruft
- improve handling of GPIO masks
New drivers
- add a driver for the BlueField-3 GPIO controller
- add GPIO support for the TPS65219 PMIC
Driver improvements:
- extend the gpio-aggregator driver to support ramp-up/ramp-down delay
- remove unnecessary CONFIG_OF guards from gpio-aggregator
- readability improvements in gpio-tangier
- switch i2c drivers back to using probe() now that it's been converted in
the i2c subsystem to not taking the id parameter
- remove unused inclusions of of_gpio.h in several drivers
- make pm ops static in gpio-davinci and fix a comment
- use more devres in drivers to shrink and simplify the code
- add missing include in gpio-sa1100
- add HAS_IOPORT KConfig dependency where needed
- add permissions checks before accessing pins in gpio-tegra186
- convert the gpio-zynq driver to using immutable irqchips
- preserve output settings set by the bootloader in gpio-mpc8xxx
Selftests:
- tweak the variable naming in script tests
Device tree updates:
- convert gpio-mmio and gpio-stmpe to YAML
- add parsing of GPIO hogs to gpio-vf610
- add bindings for the Cirrus EP93xx GPIO controller
- add gpio-line-names property to the gpio-pca9570 bindings
- extend the binding for x-powers,axp209 with another block
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Merge tag 'gpio-updates-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have two new drivers, some improvements to the core code, lots of
different updates to existing GPIO drivers and some dt-bindings on
top.
There's nothing controversial in here and almost everything has been
in next for more than a week (95% a lot longer than this). The only
thing that has spent less time in next is a new driver so no risk of
regressions.
The single merge pulls in changes that remove all usage of global GPIO
numbers from arch/arm/mach-omap.
Core GPIO library:
- remove unused symbols
- don't spam the kernel log with messages about hogs
- remove old sysfs API cruft
- improve handling of GPIO masks
New drivers:
- add a driver for the BlueField-3 GPIO controller
- add GPIO support for the TPS65219 PMIC
Driver improvements:
- extend the gpio-aggregator driver to support ramp-up/ramp-down
delay
- remove unnecessary CONFIG_OF guards from gpio-aggregator
- readability improvements in gpio-tangier
- switch i2c drivers back to using probe() now that it's been
converted in the i2c subsystem to not taking the id parameter
- remove unused inclusions of of_gpio.h in several drivers
- make pm ops static in gpio-davinci and fix a comment
- use more devres in drivers to shrink and simplify the code
- add missing include in gpio-sa1100
- add HAS_IOPORT KConfig dependency where needed
- add permissions checks before accessing pins in gpio-tegra186
- convert the gpio-zynq driver to using immutable irqchips
- preserve output settings set by the bootloader in gpio-mpc8xxx
Selftests:
- tweak the variable naming in script tests
Device tree updates:
- convert gpio-mmio and gpio-stmpe to YAML
- add parsing of GPIO hogs to gpio-vf610
- add bindings for the Cirrus EP93xx GPIO controller
- add gpio-line-names property to the gpio-pca9570 bindings
- extend the binding for x-powers,axp209 with another block"
* tag 'gpio-updates-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (58 commits)
of: unittest: drop assertions for GPIO hog messages
gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip
gpio: synq: remove unused zynq_gpio_irq_reqres/zynq_gpio_irq_relres
dt-bindings: gpio: gpio-vf610: Add parsing of hogs
gpio: lpc18xx: Remove unused of_gpio.h inclusion
gpio: xra1403: Remove unused of_gpio.h inclusion
gpio: mpc8xxx: Remove unused of_gpio.h inclusion
dt-bindings: gpio: Add Cirrus EP93xx
gpio: mpc8xxx: latch GPIOs state on module load when configured as output
selftests: gpio: gpio-sim: Use same variable name for sysfs pathname
gpio: mlxbf3: Add gpio driver support
gpio: delay: Remove duplicative functionality
gpio: aggregator: Set up a parser of delay line parameters
gpio: aggregator: Support delay for setting up individual GPIOs
gpio: aggregator: Remove CONFIG_OF and of_match_ptr() protections
dt-bindings: gpio: pca9570: add gpio-line-names property
gpiolib: remove unused gpio_cansleep()
gpio: tps65219: add GPIO support for TPS65219 PMIC
gpio: zynq: fix zynqmp_gpio not an immutable chip warning
gpio: davinci: make davinci_gpio_dev_pm_ops static
...
- Yosry has also eliminated cgroup's atomic rstat flushing.
- Nhat Pham adds the new cachestat() syscall. It provides userspace
with the ability to query pagecache status - a similar concept to
mincore() but more powerful and with improved usability.
- Mel Gorman provides more optimizations for compaction, reducing the
prevalence of page rescanning.
- Lorenzo Stoakes has done some maintanance work on the get_user_pages()
interface.
- Liam Howlett continues with cleanups and maintenance work to the maple
tree code. Peng Zhang also does some work on maple tree.
- Johannes Weiner has done some cleanup work on the compaction code.
- David Hildenbrand has contributed additional selftests for
get_user_pages().
- Thomas Gleixner has contributed some maintenance and optimization work
for the vmalloc code.
- Baolin Wang has provided some compaction cleanups,
- SeongJae Park continues maintenance work on the DAMON code.
- Huang Ying has done some maintenance on the swap code's usage of
device refcounting.
- Christoph Hellwig has some cleanups for the filemap/directio code.
- Ryan Roberts provides two patch series which yield some
rationalization of the kernel's access to pte entries - use the provided
APIs rather than open-coding accesses.
- Lorenzo Stoakes has some fixes to the interaction between pagecache
and directio access to file mappings.
- John Hubbard has a series of fixes to the MM selftesting code.
- ZhangPeng continues the folio conversion campaign.
- Hugh Dickins has been working on the pagetable handling code, mainly
with a view to reducing the load on the mmap_lock.
- Catalin Marinas has reduced the arm64 kmalloc() minimum alignment from
128 to 8.
- Domenico Cerasuolo has improved the zswap reclaim mechanism by
reorganizing the LRU management.
- Matthew Wilcox provides some fixups to make gfs2 work better with the
buffer_head code.
- Vishal Moola also has done some folio conversion work.
- Matthew Wilcox has removed the remnants of the pagevec code - their
functionality is migrated over to struct folio_batch.
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Merge tag 'mm-stable-2023-06-24-19-15' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull mm updates from Andrew Morton:
- Yosry Ahmed brought back some cgroup v1 stats in OOM logs
- Yosry has also eliminated cgroup's atomic rstat flushing
- Nhat Pham adds the new cachestat() syscall. It provides userspace
with the ability to query pagecache status - a similar concept to
mincore() but more powerful and with improved usability
- Mel Gorman provides more optimizations for compaction, reducing the
prevalence of page rescanning
- Lorenzo Stoakes has done some maintanance work on the
get_user_pages() interface
- Liam Howlett continues with cleanups and maintenance work to the
maple tree code. Peng Zhang also does some work on maple tree
- Johannes Weiner has done some cleanup work on the compaction code
- David Hildenbrand has contributed additional selftests for
get_user_pages()
- Thomas Gleixner has contributed some maintenance and optimization
work for the vmalloc code
- Baolin Wang has provided some compaction cleanups,
- SeongJae Park continues maintenance work on the DAMON code
- Huang Ying has done some maintenance on the swap code's usage of
device refcounting
- Christoph Hellwig has some cleanups for the filemap/directio code
- Ryan Roberts provides two patch series which yield some
rationalization of the kernel's access to pte entries - use the
provided APIs rather than open-coding accesses
- Lorenzo Stoakes has some fixes to the interaction between pagecache
and directio access to file mappings
- John Hubbard has a series of fixes to the MM selftesting code
- ZhangPeng continues the folio conversion campaign
- Hugh Dickins has been working on the pagetable handling code, mainly
with a view to reducing the load on the mmap_lock
- Catalin Marinas has reduced the arm64 kmalloc() minimum alignment
from 128 to 8
- Domenico Cerasuolo has improved the zswap reclaim mechanism by
reorganizing the LRU management
- Matthew Wilcox provides some fixups to make gfs2 work better with the
buffer_head code
- Vishal Moola also has done some folio conversion work
- Matthew Wilcox has removed the remnants of the pagevec code - their
functionality is migrated over to struct folio_batch
* tag 'mm-stable-2023-06-24-19-15' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (380 commits)
mm/hugetlb: remove hugetlb_set_page_subpool()
mm: nommu: correct the range of mmap_sem_read_lock in task_mem()
hugetlb: revert use of page_cache_next_miss()
Revert "page cache: fix page_cache_next/prev_miss off by one"
mm/vmscan: fix root proactive reclaim unthrottling unbalanced node
mm: memcg: rename and document global_reclaim()
mm: kill [add|del]_page_to_lru_list()
mm: compaction: convert to use a folio in isolate_migratepages_block()
mm: zswap: fix double invalidate with exclusive loads
mm: remove unnecessary pagevec includes
mm: remove references to pagevec
mm: rename invalidate_mapping_pagevec to mapping_try_invalidate
mm: remove struct pagevec
net: convert sunrpc from pagevec to folio_batch
i915: convert i915_gpu_error to use a folio_batch
pagevec: rename fbatch_count()
mm: remove check_move_unevictable_pages()
drm: convert drm_gem_put_pages() to use a folio_batch
i915: convert shmem_sg_free_table() to use a folio_batch
scatterlist: add sg_set_folio()
...
There are situations during the xhci_resume() sequence, which allows for
re-initializing of the XHCI HC. However, in case the HCD is being removed,
these operations may not be needed. Set the removal state before issuing
the runtime PM get on the XHCI device, so that the XHCI resume routine will
know when to bypass the re-init logic.
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Message-ID: <20230531222719.14143-3-quic_wcheng@quicinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
During XHCI resume, if there was a host controller error detected the
routine will attempt to re-initialize the XHCI HC, so that it can return
back to an operational state. If the XHCI host controller is being
removed, this sequence would be already handled within the XHCI halt path,
leading to a duplicate set of reg ops/calls. In addition, since the XHCI
bus is being removed, the overhead added in restarting the HCD is
unnecessary. Check for the XHC state before setting the reinit_xhc
parameter, which is responsible for triggering the restart.
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Message-ID: <20230531222719.14143-2-quic_wcheng@quicinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With the following config set:
CONFIG_DRM=m
CONFIG_DRM_PANEL=y
CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y
CONFIG_TYPEC_MUX_NB7VPQ904M=y
vmlinux fails on the following symbols:
ld.lld: error: undefined symbol: devm_drm_bridge_add
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
Add dependendy on DRM || DRM=no since CONFIG_DRM dependency is optional
and guarded by:
IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
in the drive.
Also add "select DRM_PANEL_BRIDGE if DRM" to clarify DRM_PANEL_BRIDGE
is required if CONFIG_DRM is enabled.
Fixes: 88d8f3ac9c ("usb: typec: add support for the nb7vpq904m Type-C Linear Redriver")
Reported-by: Arnd Bergmann <arnd@kernel.org>
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Message-ID: <20230622-topic-sm8x50-upstream-redriver-config-fix-v1-1-005ab6f4d1f5@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
strlcpy() reads the entire source buffer first.
This read may exceed the destination size limit.
This is both inefficient and can lead to linear read
overflows if a source string is not NUL-terminated [1].
In an effort to remove strlcpy() completely [2], replace
strlcpy() here with strscpy().
Direct replacement is safe here since return value of -errno
is used to check for truncation instead of sizeof(dest).
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
[2] https://github.com/KSPP/linux/issues/89
Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Message-ID: <20230615180504.401169-1-azeemshaikh38@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In scenarios where pullup relies on resume (get sync) to initialize
the controller and set the run stop bit, then core_init is followed by
gadget_resume which will eventually set run stop bit.
But in cases where the core_init fails, the return value is not sent
back to udc appropriately. So according to UDC the controller has
started but in reality we never set the run stop bit.
On systems like Android, there are uevents sent to HAL depending on
whether the configfs_bind / configfs_disconnect were invoked. In the
above mentioned scnenario, if the core init fails, the run stop won't
be set and the cable plug-out won't result in generation of any
disconnect event and userspace would never get any uevent regarding
cable plug out and we never call pullup(0) again. Furthermore none of
the next Plug-In/Plug-Out's would be known to configfs.
Return back the appropriate result to UDC to let the userspace/
configfs know that the pullup failed so they can take appropriate
action.
Fixes: 77adb8bdf4 ("usb: dwc3: gadget: Allow runtime suspend if UDC unbinded")
Cc: stable <stable@kernel.org>
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Message-ID: <20230618120949.14868-1-quic_kriskura@quicinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are the USB-serial updates for 6.5-rc1, including:
- improved error handling for break signalling
- report to user space when a device does not support break signalling
Included are also some new modem device ids.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-6.5-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 6.5-rc1
Here are the USB-serial updates for 6.5-rc1, including:
- improved error handling for break signalling
- report to user space when a device does not support break signalling
Included are also some new modem device ids.
All have been in linux-next with no reported issues.
* tag 'usb-serial-6.5-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add LARA-R6 01B PIDs
USB: serial: report unsupported break signalling
USB: serial: cp210x: disable break signalling on CP2105 SCI
USB: serial: return errors from break handling
The new LARA-R6 product variant identified by the "01B" string can be
configured (by AT interface) in three different USB modes:
* Default mode (Vendor ID: 0x1546 Product ID: 0x1311) with 4 serial
interfaces
* RmNet mode (Vendor ID: 0x1546 Product ID: 0x1312) with 4 serial
interfaces and 1 RmNet virtual network interface
* CDC-ECM mode (Vendor ID: 0x1546 Product ID: 0x1313) with 4 serial
interface and 1 CDC-ECM virtual network interface
The first 4 interfaces of all the 3 USB configurations (default, RmNet,
CDC-ECM) are the same.
In default mode LARA-R6 01B exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parser/alternative functions
In RmNet mode LARA-R6 01B exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parser/alternative functions
If 4: RMNET interface
In CDC-ECM mode LARA-R6 01B exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parser/alternative functions
If 4: CDC-ECM interface
Signed-off-by: Davide Tronchin <davide.tronchin.94@gmail.com>
Link: https://lore.kernel.org/r/20230622092921.12651-1-davide.tronchin.94@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
The FSA4480 Type-C switch supports switching the Audio R/L,
AGND and MIC signals to the USB-C DP/DM and SBU1/2 to support
the Audio Accessory Mode.
The FSA4480 has an integrated Audio jack detection mechanism
to automatically mux the AGND, MIX and Sense to the correct
SBU lines to support 3 pole and both 4 pole TRRS pinouts.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230614-topic-sm8550-upstream-type-c-audio-v1-3-15a92565146b@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In order to handle the Audio Accessory mode, refactor the mux
and switch setup in a single function.
The refactor will help add new states and make the process
simpler to understand.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230614-topic-sm8550-upstream-type-c-audio-v1-2-15a92565146b@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for calling typec_set_mode() for the DEBUG, AUDIO
accessory modes.
Let's also call typec_set_mode() for USB as default and SAFE
when partner is disconnected.
The USB state is only called when ALT mode is specifically
not specified by the partner status flags in order
to leave the altmode handlers setup the proper mode to
switches, muxes and retimers.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230614-topic-sm8550-upstream-type-c-audio-v1-1-15a92565146b@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the hidg_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at load time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230620094412.508580-11-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the usb_gadget_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at load time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230620094412.508580-10-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the mon_bin_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at load time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230620094412.508580-9-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the udc_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at load time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230620094412.508580-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the role_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at load time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230620094412.508580-7-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Traverse fixed pdos to calculate the maximum power that the charger
can provide, and it can be get by POWER_SUPPLY_PROP_INPUT_POWER_LIMIT
property.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230616075241.27690-2-frank.wang@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the current implementation, the tcpm set CC1/CC2 role to open when
it do port reset would cause the VBUS removed by the Type-C partner.
This sets CC1/CC2 according to the default state of port to fix it.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230616075241.27690-1-frank.wang@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the ON Semiconductor NB7VPQ904M Type-C USB SuperSpeed
and DisplayPort ALT Mode Linear Redriver chip found on some devices
with a Type-C port.
The redriver compensates ultra High-Speeed DisplayPort and USB
Super Speed signal integrity losses mainly due to PCB & transmission
cables.
The redriver doesn't support SuperSpeed lines swapping, but
can support Type-C SBU lines swapping.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Message-ID: <20230601-topic-sm8x50-upstream-redriver-v4-2-91d5820f3a03@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit edd60d24bd.
Heikki reports that this should not be a global flag just to work around
one broken driver and should be fixed differently, so revert it.
Reported-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Fixes: edd60d24bd ("usb: common: usb-conn-gpio: Set last role to unknown before initial detection")
Link: https://lore.kernel.org/r/ZImE4L3YgABnCIsP@kuha.fi.intel.com
Cc: Prashanth K <quic_prashk@quicinc.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
power_supply_is_system_supplied() checks whether any power
supplies are present that aren't batteries to decide whether
the system is running on DC or AC. Downstream drivers use
this to make performance decisions.
Navi dGPUs include an UCSI function that has been exported
since commit 17631e8ca2 ("i2c: designware: Add driver
support for AMD NAVI GPU").
This UCSI function registers a power supply since commit
992a60ed0d ("usb: typec: ucsi: register with power_supply class")
but this is not a system power supply.
As the power supply for a dGPU is only for powering devices connected
to dGPU, create a device property to indicate that the UCSI endpoint
is only for the scope of `POWER_SUPPLY_SCOPE_DEVICE`.
Link: https://lore.kernel.org/lkml/20230516182541.5836-2-mario.limonciello@amd.com/
Reviewed-by: Evan Quan <evan.quan@amd.com>
Tested-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
usb_udc_connect_control(), soft_connect_store() and
usb_gadget_deactivate() can potentially race against each other to invoke
usb_gadget_connect()/usb_gadget_disconnect(). To prevent this, guard
udc->started, gadget->allow_connect, gadget->deactivate and
gadget->connect with connect_lock so that ->pullup() is only invoked when
the gadget is bound, started and not deactivated. The routines
usb_gadget_connect_locked(), usb_gadget_disconnect_locked(),
usb_udc_connect_control_locked(), usb_gadget_udc_start_locked(),
usb_gadget_udc_stop_locked() are called with this lock held.
An earlier version of this commit was reverted due to the crash reported in
https://lore.kernel.org/all/ZF4BvgsOyoKxdPFF@francesco-nb.int.toradex.com/.
commit 16737e78d190 ("usb: gadget: udc: core: Offload usb_udc_vbus_handler processing")
addresses the crash reported.
Cc: stable@vger.kernel.org
Fixes: 628ef0d273 ("usb: udc: add usb_udc_vbus_handler")
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Message-ID: <20230609010227.978661-2-badhri@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb_udc_vbus_handler() can be invoked from interrupt context by irq
handlers of the gadget drivers, however, usb_udc_connect_control() has
to run in non-atomic context due to the following:
a. Some of the gadget driver implementations expect the ->pullup
callback to be invoked in non-atomic context.
b. usb_gadget_disconnect() acquires udc_lock which is a mutex.
Hence offload invocation of usb_udc_connect_control()
to workqueue.
UDC should not be pulled up unless gadget driver is bound. The new flag
"allow_connect" is now set by gadget_bind_driver() and cleared by
gadget_unbind_driver(). This prevents work item to pull up the gadget
even if queued when the gadget driver is already unbound.
Cc: stable@vger.kernel.org
Fixes: 1016fc0c09 ("USB: gadget: Fix obscure lockdep violation for udc_mutex")
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Message-ID: <20230609010227.978661-1-badhri@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The current implementation mistakenly performs a & operation on
the output of sysfs_emit. This patch performs the & operation before
calling sysfs_emit.
Fixes: 662a60102c ("usb: typec: Separate USB Power Delivery from USB Type-C")
Cc: stable <stable@kernel.org>
Reported-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Pavan Holla <pholla@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Message-ID: <20230607193328.3359487-1-pholla@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
USB PHY DPDM wakeup bit is enabled by default, when USB wakeup
is not required(/sys/.../wakeup is disabled), this bit should be
disabled, otherwise we will have unexpected wakeup if do USB device
connect/disconnect while system sleep.
This bit can be enabled for both host and device mode.
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Message-ID: <20230517081907.3410465-3-xu.yang_2@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As we use bvalid for vbus wakeup source, to save power when
suspend, turn off the vbus comparator for imx7d and imx8mm.
Below is this bit description from RM of iMX8MM
"VBUS Valid Comparator Enable:
This signal controls the USB OTG PHY VBUS Valid comparator which
indicates whether the voltage on the USB_OTG*_VBUS pin is below
the VBUS Valid threshold. The VBUS Valid threshold is nominally
4.75V on this USB PHY. The VBUS Valid threshold can be adjusted
using the USBNC_OTGn_PHY_CFG1[OTGTUNE0] bit field. Status of the
VBUS Valid comparator, when it is enabled, is reported on the
USBNC_OTGn_PHY_STATUS[VBUS_VLD] bit.
When OTGDISABLE0 (USBNC_USB_OTGx_PHY_CFG2[10])is set to 1'b0 and
DRVVBUS0 is set to 1'b1, the Bandgap circuitry and VBUS Valid
comparator are powered, even in Suspend or Sleep mode.
DRVVBUS0 should be reset to 1'b0 when the internal VBUS Valid comparator
is not required, to reduce quiescent current in Suspend or Sleep mode.
- 0 The VBUS Valid comparator is disabled
- 1 The VBUS Valid comparator is enabled"
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Message-ID: <20230517081907.3410465-2-xu.yang_2@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patch adds the series of tracepoints that can be used for
debugging issues detected in driver.
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Message-ID: <20230602102644.77470-4-pawell@cadence.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch introduces the main part of Cadence USBHS driver
to Linux kernel.
To reduce the patch size a little bit, the header file gadget.h was
intentionally added as separate patch.
The Cadence USB 2.0 Controller is a highly configurable IP Core which
supports both full and high speed data transfer.
The current driver has been validated with FPGA platform. We have
support for PCIe bus, which is used on FPGA prototyping.
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Message-ID: <20230602102644.77470-3-pawell@cadence.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If dwc3_meson_g12a_otg_init() fails, resources allocated by the previous
of_platform_populate() call should be released, as already done in the
error handling path.
Fixes: 1e355f21d3 ("usb: dwc3: Add Amlogic A1 DWC3 glue")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Message-ID: <9d28466de1808ccc756b4cc25fc72c482d133d13.1686403934.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In general, POSIX requires that when the mtime is updated that the ctime
be updated as well. Add the missing timestamp updates to the usb ioctls.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Message-ID: <20230612104524.17058-3-jlayton@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Expose usb device state to userland as the information is useful in
detecting non-compliant setups and diagnosing enumeration failures.
For example:
- End-to-end signal integrity issues: the device would fail port reset
repeatedly and thus be stuck in POWERED state.
- Charge-only cables (missing D+/D- lines): the device would never enter
POWERED state as the HC would not see any pullup.
What's the status quo?
We do have error logs such as "Cannot enable. Maybe the USB cable is bad?"
to flag potential setup issues, but there's no good way to expose them to
userspace.
Why add a sysfs entry in struct usb_port instead of struct usb_device?
The struct usb_device is not device_add() to the system until it's in
ADDRESS state hence we would miss the first two states. The struct
usb_port is a better place to keep the information because its life
cycle is longer than the struct usb_device that is attached to the port.
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202306042228.e532af6e-oliver.sang@intel.com
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Roy Luo <royluo@google.com>
Message-ID: <20230608015913.1679984-1-royluo@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently if we bootup a device without cable connected, then
usb-conn-gpio won't call set_role() since last_role is same as
current role. This happens because during probe last_role gets
initialised to zero.
To avoid this, added a new constant in enum usb_role, last_role
is set to USB_ROLE_UNKNOWN before performing initial detection.
While at it, also handle default case for the usb_role switch
in cdns3, intel-xhci-usb-role-switch & musb/jz4740 to avoid
build warnings.
Fixes: 4602f3bff2 ("usb: common: add USB GPIO based connection detection driver")
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Message-ID: <1685544074-17337-1-git-send-email-quic_prashk@quicinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use dedicated imx8ulp usb compatible to remove QoS request
since imx8ulp has no such limitation of imx7ulp: DMA will
not work if system enters idle.
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Message-ID: <20230530104007.1294702-2-xu.yang_2@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Update to using dev_err_probe() throughout to reduce spam and log useful
information in devices_deferred.
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Message-ID: <20230605193625.63187-1-ahalaney@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If dwc3_qcom_create_urs_usb_platdev() fails, some resources still need to
be released, as already done in the other error handling path of the
probe.
Fixes: c25c210f59 ("usb: dwc3: qcom: add URS Host support for sdm845 ACPI boot")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Message-ID: <b69fa8dd68d816e7d24c88d3eda776ceb28c5dc5.1685890571.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the probe, some resources are allocated with
dwc3_qcom_of_register_core() or dwc3_qcom_acpi_register_core(). The
corresponding resources are already coorectly freed in the error handling
path of the probe, but not in the remove function.
Fix it.
Fixes: 2bc02355f8 ("usb: dwc3: qcom: Add support for booting with ACPI")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Message-ID: <c0215a84cdf18fb3514c81842783ec53cf149deb.1685891059.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The fsg_lun_is_open() test can be eliminated and the code merged with
the preceding conditional, because the LUN won't be open if
cfg->filename wasn't set. Similarly, the error_lun label will never be
reached with an open lun (non-null filp) so remove the unnecessary
fsg_lun_close() call.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Message-ID: <20230607215401.22563-1-ddiss@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch elaborates on some of the edge cases handled by
video_pump around setting no_interrupt flag, and brings the
code style in line with rest of the file.
Link: https://lore.kernel.org/20230602151916.GH26944@pendragon.ideasonboard.com/
Signed-off-by: Avichal Rakesh <arakesh@google.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Message-ID: <20230602220455.313801-1-arakesh@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add an identifier in the read_fn function declaration because based on
commit ca0d8929e7 ("checkpatch: add warning for unnamed function
definition arguments") it is the preferred coding style even C standard
allows both formats.
Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
Message-ID: <20230607072959.2334046-1-piyush.mehta@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use of_property_read_u16() instead of of_property_read_u16_array() when
only 1 element is read.
This slightly simplifies the code.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Message-ID: <97478908a814d4fa694e0ca44212c3776cf3e6e9.1685877052.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds