- 07 Mar, 2024 24 commits
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Heiner Kallweit authored
I don't see why we iterate over all triggers to find the panic trigger. We *are* the panic trigger. Therefore we also know that the panic trigger doesn't have an activate() hook. So we can simplify the code significantly. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by:
Jacek Anaszewski <jacek.anaszewski@gmail.com> Link: https://lore.kernel.org/r/84c0fa67-2f03-4474-aa75-914d65d88dd0@gmail.comSigned-off-by:
Lee Jones <lee@kernel.org>
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Rafał Miłecki authored
Most wireless routers and access points can operate in multiple bands simultaneously. Vendors often equip their devices with per-band LEDs. Add defines for those very common functions to allow cleaner & clearer bindings. Signed-off-by:
Rafał Miłecki <rafal@milecki.pl> Acked-by:
Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240117151736.27440-1-zajec5@gmail.comSigned-off-by:
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Heiner Kallweit authored
A bigger number of board device tree files, plus few drivers, set default-on as default trigger for LED's. Therefore add an alias for module auto-loading. Signed-off-by:
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Heiner Kallweit authored
This a follow-up to 5edf7f11313d ("leds: trigger: Load trigger modules on-demand if used as default trigger") and sets an alias for the audio triggers. Signed-off-by: -
Florian Eckert authored
The 'led-trigger-tty' uses the same naming in the ABI documentation as the 'led-trigger-netdev'. Which leads to the following warning when building the documentation. Warning: /sys/class/leds/<led>/rx is defined 2 times: Documentation/ABI/testing/sysfs-class-led-trigger-tty:7 Documentation/ABI/testing/sysfs-class-led-trigger-netdev:49 Warning: /sys/class/leds/<led>/tx is defined 2 times: Documentation/ABI/testing/sysfs-class-led-trigger-tty:15 Documentation/ABI/testing/sysfs-class-led-trigger-netdev:34 Renaming the 'What' path by prefixing it with 'tty_' solves this problem. Fixes: 6dec6598 ("leds: ledtrig-tty: Add additional line state evaluation") Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Florian Eckert <fe@dev.tdt.de> Link: https://lore.kernel.org/r/20240110133410.81645-1-fe@dev.tdt.deSigned-off-by:
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Christian Marangi authored
Document now hidable link speed modes for the LED netdev trigger. Link speed modes are now showed only if the named network device supports them and are hidden if not. Signed-off-by:
Christian Marangi <ansuelsmth@gmail.com> Reviewed-by:
Marek Behún <kabel@kernel.org> Link: https://lore.kernel.org/r/20240111160501.1774-2-ansuelsmth@gmail.comSigned-off-by:
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Christian Marangi authored
With the addition of more link speed mode to the netdev trigger, it was pointed out that there may be a problem with bloating the attribute list with modes that won't ever be supported by the trigger as the attached device name doesn't support them. To clear and address this problem, change the logic where these additional trigger modes are listed. Since the netdev trigger REQUIRE a device name to be set, attach to the device name change function additional logic to parse the supported link speed modes using ethtool APIs and show only the supported link speed modes attribute. Link speed attribute are refreshed on device_name set and on NETDEV_CHANGE events. This only apply to the link speed modes and every other mode is still provided by default. Signed-off-by:
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Heiner Kallweit authored
If a hw_control_trigger is defined, it's usually desirable to make it the default trigger. Therefore make it the default trigger, except the driver explicitly set a default trigger. Signed-off-by:
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Heiner Kallweit authored
Add module alias ledtrig:netdev to enable auto-loading of the module. Signed-off-by:
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Heiner Kallweit authored
Even if a trigger is set as default trigger for a LED device, the respective trigger module (if built as module) isn't automatically loaded by the kernel if the LED device is registered. I think we can do better. Try to load the module asynchronously by alias ledtrig:<trigger name>. This requires that such an alias is added to relevant triggers. Signed-off-by:
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Anjelique Melendez authored
Update the pm8350c lpg_data struct so that pm8350c devices are treated as PWM devices that support two-nvmem PPG scheme. Signed-off-by:
Anjelique Melendez <quic_amelende@quicinc.com> Link: https://lore.kernel.org/r/20231221185838.28440-8-quic_amelende@quicinc.comSigned-off-by:
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Anjelique Melendez authored
On PMICs such as PM8350C, the pattern lookup table (LUT) is stored in a separate SDAM from the one where the lpg per-channel data is stored. Add support for PPG with a dedicated LUT SDAM while maintaining backward compatibility for those targets that use only a single SDAM. Co-developed-by:
Guru Das Srinagesh <quic_gurus@quicinc.com> Signed-off-by:
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Anjelique Melendez authored
Update the pmi632 lpg_data struct so that pmi632 devices use PPG for LUT pattern. Signed-off-by:
Luca Weiss <luca.weiss@fairphone.com> Link: https://lore.kernel.org/r/20231221185838.28440-6-quic_amelende@quicinc.comSigned-off-by:
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Anjelique Melendez authored
In some PMICs like pmi632, the pattern look up table (LUT) and LPG configuration is stored in a single SDAM module instead of LUT peripheral. This feature is called PPG. PPG uses Qualcomm Programmable Boot Sequencer (PBS) inorder to trigger pattern sequences for PMICs. Signed-off-by:
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Anjelique Melendez authored
Update leds-qcom-lpg binding to support LPG PPG. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20231221185838.28440-3-quic_amelende@quicinc.comSigned-off-by:
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Heiner Kallweit authored
The current codes uses the sw_control path in set_baseline_state() when called from netdev_trig_activate() even if we're hw-controlled. This may result in errors when led_set_brightness() is called because we may not have set_brightness led ops (if hw doesn't support setting a "LED" to ON). In addition this path may schedule trigger_data->work which doesn't make sense when being hw-controlled. Therefore set trigger_data->hw_control = true before calling set_device_name() from netdev_trig_activate(). In this call chain we have to prevent set_baseline_state() from being called, because this would call hw_control_set(). Use led_cdev->trigger_data == NULL as indicator for being called from netdev_trig_activate(). Signed-off-by:
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Lee Jones authored
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Andy Shevchenko authored
Update header inclusions to follow IWYU (Include What You Use) principle. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by:
Duje Mihanović <duje.mihanovic@skole.hr> Link: https://lore.kernel.org/r/20240223203010.881065-1-andriy.shevchenko@linux.intel.comSigned-off-by:
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Arnd Bergmann authored
The expresswire module requires gpiolib, so anything selecting it also needs this dependency: WARNING: unmet direct dependencies detected for LEDS_EXPRESSWIRE Depends on [n]: NEW_LEDS [=y] && GPIOLIB [=n] Selected by [y]: - LEDS_KTD2692 [=y] && NEW_LEDS [=y] && LEDS_CLASS_FLASH [=y] && OF [=y] Fixes: e59a15af7aa6 ("leds: ktd2692: Convert to use ExpressWire library") Signed-off-by:Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240213165602.2230970-1-arnd@kernel.orgSigned-off-by:
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Duje Mihanović authored
The struct containing the KTD2801 timing can be made static as it's not referenced outside the KTD2801 driver. Do this to prevent sparse complaints. Reported-by:
kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202402100625.M0RkJhMh-lkp@intel.com/Signed-off-by:
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Duje Mihanović authored
KTD2801 is a LED backlight driver IC found in samsung,coreprimevelte. The brightness can be set using PWM or the ExpressWire protocol. Add support for the KTD2801. Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
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Duje Mihanović authored
KTD2801 is a LED backlight driver IC found in samsung,coreprimevelte. The brightness can be set using PWM or the ExpressWire protocol. Add a DT binding for the KTD2801. Reviewed-by:
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Duje Mihanović authored
The KTD2692 uses the ExpressWire protocol implemented in the newly introduced ExpressWire library. Convert the driver to use the library. Suggested-by:
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Duje Mihanović authored
The ExpressWire protocol is shared between at least KTD2692 and KTD2801 with slight differences such as timings and the former not having a defined set of pulses for enabling the protocol (possibly because it does not support PWM unlike KTD2801). Despite these differences the ExpressWire handling code can be shared between the two, so in preparation for adding KTD2801 support introduce a library implementing this protocol. Suggested-by:
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- 01 Feb, 2024 2 commits
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Anjelique Melendez authored
Add the Qualcomm PBS (Programmable Boot Sequencer) driver. The QCOM PBS driver supports configuring software PBS trigger events through PBS RAM on Qualcomm Technologies, Inc (QTI) PMICs. Signed-off-by:
Bjorn Andersson <andersson@kernel.org>
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Anjelique Melendez authored
Add binding for the Qualcomm Programmable Boot Sequencer device. Signed-off-by:
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- 21 Jan, 2024 14 commits
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Linus Torvalds authored
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https://evilpiepirate.org/git/bcachefsLinus Torvalds authored
Pull more bcachefs updates from Kent Overstreet: "Some fixes, Some refactoring, some minor features: - Assorted prep work for disk space accounting rewrite - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this makes our trigger context more explicit - A few fixes to avoid excessive transaction restarts on multithreaded workloads: fstests (in addition to ktest tests) are now checking slowpath counters, and that's shaking out a few bugs - Assorted tracepoint improvements - Starting to break up bcachefs_format.h and move on disk types so they're with the code they belong to; this will make room to start documenting the on disk format better. - A few minor fixes" * tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs: (46 commits) bcachefs: Improve inode_to_text() bcachefs: logged_ops_format.h bcachefs: reflink_format.h bcachefs; extents_format.h bcachefs: ec_format.h bcachefs: subvolume_format.h bcachefs: snapshot_format.h bcachefs: alloc_background_format.h bcachefs: xattr_format.h bcachefs: dirent_format.h bcachefs: inode_format.h bcachefs; quota_format.h bcachefs: sb-counters_format.h bcachefs: counters.c -> sb-counters.c bcachefs: comment bch_subvolume bcachefs: bch_snapshot::btime bcachefs: add missing __GFP_NOWARN bcachefs: opts->compression can now also be applied in the background bcachefs: Prep work for variable size btree node buffers bcachefs: grab s_umount only if snapshotting ... -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer updates from Thomas Gleixner: "Updates for time and clocksources: - A fix for the idle and iowait time accounting vs CPU hotplug. The time is reset on CPU hotplug which makes the accumulated systemwide time jump backwards. - Assorted fixes and improvements for clocksource/event drivers" * tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug clocksource/drivers/ep93xx: Fix error handling during probe clocksource/drivers/cadence-ttc: Fix some kernel-doc warnings clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings clocksource/timer-riscv: Add riscv_clock_shutdown callback dt-bindings: timer: Add StarFive JH8100 clint dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs -
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Aneesh Kumar: - Increase default stack size to 32KB for Book3S Thanks to Michael Ellerman. * tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s: Increase default stack size to 32KB
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Kent Overstreet authored
Add line breaks - inode_to_text() is now much easier to read. Signed-off-by:Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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Kent Overstreet authored
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