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* Documentation: gpio: Remove text about ARCH_NR_GPIOSChristophe Leroy2022-10-171-5/+0
| | | | | | | | | | | | | | | ARCH_NR_GPIOS have been removed, clean up the documentation. After this patch, the only place when ARCH_NR_GPIOS remains is in translations/zh_CN/gpio.txt and translations/zh_TW/gpio.txt. I don't have the skills to update that, anyway those two files are already out of sync as they are still mentionning ARCH_REQUIRE_GPIOLIB which was removed by commit 65053e1a7743 ("gpio: delete ARCH_[WANTS_OPTIONAL|REQUIRE]_GPIOLIB") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
* Merge tag 'docs-6.0' of git://git.lwn.net/linuxLinus Torvalds2022-08-023-5/+5
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "This was a moderately busy cycle for documentation, but nothing all that earth-shaking: - More Chinese translations, and an update to the Italian translations. The Japanese, Korean, and traditional Chinese translations are more-or-less unmaintained at this point, instead. - Some build-system performance improvements. - The removal of the archaic submitting-drivers.rst document, with the movement of what useful material that remained into other docs. - Improvements to sphinx-pre-install to, hopefully, give more useful suggestions. - A number of build-warning fixes Plus the usual collection of typo fixes, updates, and more" * tag 'docs-6.0' of git://git.lwn.net/linux: (92 commits) docs: efi-stub: Fix paths for x86 / arm stubs Docs/zh_CN: Update the translation of sched-stats to 5.19-rc8 Docs/zh_CN: Update the translation of pci to 5.19-rc8 Docs/zh_CN: Update the translation of pci-iov-howto to 5.19-rc8 Docs/zh_CN: Update the translation of usage to 5.19-rc8 Docs/zh_CN: Update the translation of testing-overview to 5.19-rc8 Docs/zh_CN: Update the translation of sparse to 5.19-rc8 Docs/zh_CN: Update the translation of kasan to 5.19-rc8 Docs/zh_CN: Update the translation of iio_configfs to 5.19-rc8 doc:it_IT: align Italian documentation docs: Remove spurious tag from admin-guide/mm/overcommit-accounting.rst Documentation: process: Update email client instructions for Thunderbird docs: ABI: correct QEMU fw_cfg spec path doc/zh_CN: remove submitting-driver reference from docs docs: zh_TW: align to submitting-drivers removal docs: zh_CN: align to submitting-drivers removal docs: ko_KR: howto: remove reference to removed submitting-drivers docs: ja_JP: howto: remove reference to removed submitting-drivers docs: it_IT: align to submitting-drivers removal docs: process: remove outdated submitting-drivers.rst ...
| * docs: driver-api: gpio: Fix some typosTom Schwindl2022-06-243-5/+5
| | | | | | | | | | | | | | | | | | | | Correct some simple spelling mistakes in consumer.rst, driver.rst and using-gpio.rst. Signed-off-by: Tom Schwindl <schwindl@posteo.de> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/YrTdAv3YPlCiDr2u@posteo.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | docs: driver-api: gpio: Fix filename mismatchTom Schwindl2022-06-133-7/+7
|/ | | | | | | | | The filenames were changed a while ago, but board.rst, consumer.rst and intro.rst still refer to the old names. Fix those references to match the Actual names and avoid possible confusion. Signed-off-by: Tom Schwindl <schwindl@posteo.de> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
* Documentation: gpio: Advertise irqd_to_hwirq() helper in the examplesAndy Shevchenko2022-05-161-6/+12
| | | | | | | | | Instead of direct dereferencing the IRQ data in order to get HW IRQ number use the irqd_to_hwirq() helper. Fixes: 5644b66a9c63 ("Documentation: Update the recommended pattern for GPIO irqchips") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
* Documentation: gpio: Fix IRQ mask and unmask examplesAndy Shevchenko2022-05-161-6/+6
| | | | | | | | | | After switching to immutable IRQ chips for GPIO drivers the examples become uncompilable due to wrong IRQ API, i.e. irq_desc_get_handler_data() in use. Replace it with proper irq_data_get_irq_chip_data() call where it applies. Fixes: 5644b66a9c63 ("Documentation: Update the recommended pattern for GPIO irqchips") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
* Documentation: Update the recommended pattern for GPIO irqchipsMarc Zyngier2022-04-191-33/+142
| | | | | | | | | | Update the documentation to get rid of the per-gpio_irq_chip irq_chip structure, and give examples of the new pattern. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220419141846.598305-11-maz@kernel.org
* ACPI: docs: gpio-properties: Unify ASL style for GPIO examplesAndy Shevchenko2022-03-081-12/+9
| | | | | | | | | GPIO examples of ASL in the board.rst, enumeration.rst and gpio-properties.rst are not unified. Unify them for better reader experience. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* docs: gpio: explain GPIOD_OUT_* values and toggling active lowHannu Hartikainen2021-07-211-1/+9
| | | | | | | | | | | | | | | | I was confused about the gpiod_flags values and thought that GPIOD_OUT_LOW and GPIOD_OUT_HIGH set the line to be active low / active high. This is not true, but I got the misconception because the flags GPIOD_OUT_*_OPEN_DRAIN do change line configuration and there's a subchapter about *active low* and *open drain* semantics. Add an explicit mention that the initial value is a logical value (and not the line configuration or physical line level). Also add a mention of the function gpiod_toggle_active_low which was previously missing from this document. Signed-off-by: Hannu Hartikainen <hannu@hrtk.in> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Documentation: gpio: driver.rst: Remove gpiochip_irqchip_add mentionVincent Pelletier2021-07-211-7/+4
| | | | | | | | | | This function was removed in commit f1f37abbe6fc ("gpio: Retire the explicit gpio irqchip code") but this mention was left behind. Also, mention that .set_type() only has to set a line handler if the chip is cascaded, as opposed to hierarchical. Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* docs: driver-api: gpio: using-gpio.rst: avoid using ReST :doc:`foo` markupMauro Carvalho Chehab2021-06-171-2/+2
| | | | | | | | | | The :doc:`foo` tag is auto-generated via automarkup.py. So, use the filename at the sources, instead of :doc:`foo`. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/506a41353937c455c2e79b5960b0976edc8aa9e9.1623824363.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Merge tag 'gpio-updates-for-v5.13-v2' of ↵Linus Torvalds2021-05-052-1/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio updates from Bartosz Golaszewski: - new driver for the Realtek Otto GPIO controller - ACPI support for gpio-mpc8xxx - edge event support for gpio-sch (+ Kconfig fixes) - Kconfig improvements in gpio-ich - fixes to older issues in gpio-mockup - ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055 - improve the GPIO aggregator code by using more generic interfaces instead of reimplementing them in the driver - convert the DT bindings for gpio-74x164 to yaml - documentation improvements - a slew of other minor fixes and improvements to GPIO drivers * tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (34 commits) dt-bindings: gpio: add YAML description for rockchip,gpio-bank gpio: mxs: remove useless function dt-bindings: gpio: fairchild,74hc595: Convert to json-schema gpio: it87: remove unused code gpio: 104-dio-48e: Fix coding style issues gpio: mpc8xxx: Add ACPI support gpio: ich: Switch to be dependent on LPC_ICH gpio: sch: Drop MFD_CORE selection gpio: sch: depends on LPC_SCH gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055 gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events gpio: sch: Add edge event support gpio: aggregator: Replace custom get_arg() with a generic next_arg() lib/cmdline: Export next_arg() for being used in modules gpio: omap: Use device_get_match_data() helper gpio: Add Realtek Otto GPIO support dt-bindings: gpio: Binding for Realtek Otto GPIO docs: kernel-parameters: Add gpio_mockup_named_lines docs: kernel-parameters: Move gpio-mockup for alphabetic order lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc() ...
| * gpio: Mention GPIO MUX in docsLinus Walleij2021-03-261-0/+6
| | | | | | | | | | | | | | | | There is now a GPIO multiplexer, so mention this in the document about drivers using GPIO as backend. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
| * docs: driver-api: gpio: consumer: Mark another line of code as suchJonathan Neuschäfer2021-03-261-1/+1
| | | | | | | | | | | | | | | | | | Make it so that this #include line is rendered in monospace, like other code blocks. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* | Merge tag 'pinctrl-v5.13-1' of ↵Linus Torvalds2021-04-301-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "There is a lot going on! Core changes: - A semantic change to handle pinmux and pinconf in explicit order while up until now we depended on the semantic order in the device tree. The device tree is a functional programming language and does not imply any order, so the right thing is for the pin control core to provide these semantics. - Add a new pinmux-select debugfs file which makes it possible to go in and select functions for a pin manually (iteratively, at the prompt) for debugging purposes. - Fixes to gpio regmap handling for a new pin control driver making use of regmap-gpio. - Use octal permissions on debugfs files. New drivers: - A massive rewrite of the former custom pin control driver for MIPS Broadcom devices to instead use the pin control subsystem. New pin control drivers for BCM6345, BCM6328, BCM6358, BCM6362, BCM6368, BCM63268 and BCM6318 SoC variants are implemented. - Support for PM8350, PM8350B, PM8350C, PMK8350, PMR735A and PMR735B in the Qualcomm PMIC GPIO driver. Also the two GPIOs on PM8008 are supported. - Support for the Rockchip RK3568/RK3566 pin controller. - Support for Ingenic JZ4730, JZ4750, JZ4755, JZ4775 and X2000. - Support for Mediatek MTK8195. - Add a new Xilinx ZynqMP pin control driver. Driver improvements and non-urgent fixes: - Modularization and improvements of the Rockchip drivers. - Some new pins added to the description of new Renesas SoCs. - Clarifications of the GPIO base calculation in the Intel driver. - Fix the function names for the MPP54 and MPP55 pins in the Armada CP110 pin controller. - GPIO wakeup interrupt map for Qualcomm SC7280 and SM8350. - Support for ACPI probing of the Qualcomm SC8180x. - Fix interrupt clear status on rockchip - Fix some missing pins on the Ingenic JZ4770, some semantic fixes for the behaviour of the Ingenic pin controller. Add DMIC pins for JZ4780, X1000, X1500 and X1830. - A slew of janitorial like of_node_put() calls" * tag 'pinctrl-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits) pinctrl: Add Xilinx ZynqMP pinctrl driver support firmware: xilinx: Add pinctrl support pinctrl: rockchip: do coding style for mux route struct pinctrl: Add PIN_CONFIG_MODE_PWM to enum pin_config_param pinctrl: Introduce MODE group in enum pin_config_param pinctrl: Keep enum pin_config_param ordered by name dt-bindings: pinctrl: Add binding for ZynqMP pinctrl driver pinctrl: core: Fix kernel doc string for pin_get_name() pinctrl: mediatek: use spin lock in mtk_rmw pinctrl: add drive for I2C related pins on MT8195 pinctrl: add pinctrl driver on mt8195 dt-bindings: pinctrl: mt8195: add pinctrl file and binding document pinctrl: Ingenic: Add pinctrl driver for X2000. pinctrl: Ingenic: Add pinctrl driver for JZ4775. pinctrl: Ingenic: Add pinctrl driver for JZ4755. pinctrl: Ingenic: Add pinctrl driver for JZ4750. pinctrl: Ingenic: Add pinctrl driver for JZ4730. dt-bindings: pinctrl: Add bindings for new Ingenic SoCs. pinctrl: Ingenic: Reformat the code. pinctrl: Ingenic: Add DMIC pins support for Ingenic SoCs. ...
| * | Documentation: rename pinctl to pin-controlDrew Fustini2021-03-101-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | pinctl is not ideal as pinctrl (with an 'r') is much more common. Linus state that pin-control.rst would be the best name for the documentation. Link: https://lore.kernel.org/linux-gpio/20210126050817.GA187797@x1/#t Suggested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Drew Fustini <drew@beagleboard.org> Link: https://lore.kernel.org/r/20210302053059.1049035-4-drew@beagleboard.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* / Documentation: gpio: chip should be pluralBryan Brattlof2021-03-251-1/+1
|/ | | | | | | Signed-off-by: Bryan Brattlof <hello@bryanbrattlof.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210323145509.139393-1-hello@bryanbrattlof.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Merge tag 'docs-5.12' of git://git.lwn.net/linuxLinus Torvalds2021-02-221-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "It has been a relatively quiet cycle in docsland. - As promised, the minimum Sphinx version to build the docs is now 1.7, and we have dropped support for Python 2 entirely. That allowed the removal of a bunch of compatibility code. - A set of treewide warning fixups from Mauro that I applied after it became clear nobody else was going to deal with them. - The automarkup mechanism can now create cross-references from relative paths to RST files. - More translations, typo fixes, and warning fixes" * tag 'docs-5.12' of git://git.lwn.net/linux: (75 commits) docs: kernel-hacking: be more civil docs: Remove the Microsoft rhetoric Documentation/admin-guide: kernel-parameters: Update nohlt section doc/admin-guide: fix spelling mistake: "perfomance" -> "performance" docs: Document cross-referencing using relative path docs: Enable usage of relative paths to docs on automarkup docs: thermal: fix spelling mistakes Documentation: admin-guide: Update kvm/xen config option docs: Make syscalls' helpers naming consistent coding-style.rst: Avoid comma statements Documentation: /proc/loadavg: add 3 more field descriptions Documentation/submitting-patches: Add blurb about backtraces in commit messages Docs: drop Python 2 support Move our minimum Sphinx version to 1.7 Documentation: input: define ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams scripts/kernel-doc: add internal hyperlink to DOC: sections Update Documentation/admin-guide/sysctl/fs.rst docs: Update DTB format references docs: zh_CN: add iio index.rst translation docs/zh_CN: add iio ep93xx_adc.rst translation ...
| * Documentation: Replace lkml.org links with loreJoe Perches2021-01-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the lkml.org links with lore to better use a single source that's more likely to stay available long-term. Done by bash script: cvt_lkml_to_lore () { tmpfile=$(mktemp ./.cvt_links.XXXXXXX) header=$(echo $1 | sed 's@/lkml/@/lkml/headers/@') wget -qO - $header > $tmpfile if [[ $? == 0 ]] ; then link=$(grep -i '^Message-Id:' $tmpfile | head -1 | \ sed -r -e 's/^\s*Message-Id:\s*<\s*//' -e 's/\s*>\s*$//' -e 's@^@https://lore.kernel.org/r/@') # echo "testlink: $link" if [ -n "$link" ] ; then wget -qO - $link > /dev/null if [[ $? == 0 ]] ; then echo $link fi fi fi rm -f $tmpfile } git grep -P -o "\bhttps?://(?:www.)?lkml.org/lkml[\/\w]+" $@ | while read line ; do echo $line file=$(echo $line | cut -f1 -d':') link=$(echo $line | cut -f2- -d':') newlink=$(cvt_lkml_to_lore $link) if [[ -n "$newlink" ]] ; then sed -i -e "s#\b$link\b#$newlink#" $file fi done Link: https://lore.kernel.org/patchwork/patch/1265849/#1462688 Signed-off-by: Joe Perches <joe@perches.com> Link: https://lore.kernel.org/r/77cdb7f32cfb087955bfc3600b86c40bed5d4104.camel@perches.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | docs: gpio: intro: Improve HTML formattingJonathan Neuschäfer2021-02-151-4/+4
| | | | | | | | | | | | | | | | | | | | | | Currently the HTML output for Documentation/driver-api/gpio/intro.rst doesn't look right. The lines that start with LOW or HIGH are formatted in bold, while the next line after each is not bold. With this patch, the HTML looks better. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* | docs: gpio: Fix formatting in description of gpiod_*_array_* functionsJonathan Neuschäfer2021-02-151-2/+3
|/ | | | | | | | | The gpiod_*_array_* functions take four arguments, not three. Additionally, the formatting of the "value_bitmap" line results in misformatted HTML, so fix that. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Documentation: gpio: fix typo and unclear legacy API sectionAlexandre Courbot2020-12-051-8/+10
| | | | | | | | | | | | | | | | The "Interacting With the Legacy GPIO Subsystem" of the documentation was unclear at best, and even included a sentence that seems to say the opposite of what it should say about the lifetime of the return value of the conversion functions. Try to clarify things a bit and hopefully make that section more readable. Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com> BugLink: https://stackoverflow.com/q/64455505/2511795 Signed-off-by: Alexandre Courbot <gnurou@gmail.com> Link: https://lore.kernel.org/r/20201122092548.61979-1-gnurou@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: stmpe: Fix forgotten refactoringLinus Walleij2020-10-281-2/+2
| | | | | | | | | | We actually handle the gpio_irq_chip set-up properly now despite what the comment says. Also assign this pointer along with the rest of the gpio_irq_chip setup code. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20201019134429.65563-1-linus.walleij@linaro.org
* gpio: Retire the explicit gpio irqchip codeLinus Walleij2020-10-281-21/+42
| | | | | | | | | | | | | | | | Now that all gpiolib irqchip users have been over to use the irqchip template, we can finally retire the old code path and leave just one way in to the irqchip: set up the template when registering the gpio_chip. For a while we had two code paths for this which was a bit confusing. This brings this work to a conclusion, there is now one way of doing this. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Link: https://lore.kernel.org/r/20201019134046.65101-1-linus.walleij@linaro.org
* gpiolib: Update indentation in driver.rst for code excerptsAndy Shevchenko2020-10-121-6/+6
| | | | | | | | | | | | | When TABs are being used to indent the code excerpts inside the bullet lists some of the tools [vim in particular] fail to recognize it and continue interpreting the special characters inside the quoted excerpt. Update indentation in driver.rst for code excerpts to avoid their special interpretation. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20201007143817.76335-1-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* gpio: Add gpio-charger to the documentationLinus Walleij2020-07-071-0/+7
| | | | | | | | | The GPIO-based charger is another of the helpful devices built on top of GPIO. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20200620201248.28843-1-linus.walleij@linaro.org
* gpiolib: Add support for GPIO lookup by line nameGeert Uytterhoeven2020-05-181-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | Currently a GPIO lookup table can only refer to a specific GPIO by a tuple, consisting of a GPIO controller label and a GPIO offset inside the controller. However, a GPIO may also carry a line name, defined by DT or ACPI. If present, the line name is the most use-centric way to refer to a GPIO. Hence add support for looking up GPIOs by line name. Note that there is no guarantee that GPIO line names are globally unique, so this will use the first match found. Implement this by reusing the existing gpiod_lookup infrastructure. Rename gpiod_lookup.chip_label to gpiod_lookup.key, to make it clear that this field can have two meanings, and update the kerneldoc and GPIO_LOOKUP*() macros. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com> Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu> Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com> Link: https://lore.kernel.org/r/20200511145257.22970-4-geert+renesas@glider.be Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* docs: gpio: driver.rst: don't mark literal blocks twiceMauro Carvalho Chehab2020-03-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two literal blocks there are marked with both "::" and .. code-block:: c This causes Sphinx (2.4.1) to do the wrong thing, causing lots of warnings: Documentation/driver-api/gpio/driver.rst:425: WARNING: Unexpected indentation. Documentation/driver-api/gpio/driver.rst:423: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:427: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/driver-api/gpio/driver.rst:429: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:429: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:429: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:433: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:446: WARNING: Unexpected indentation. Documentation/driver-api/gpio/driver.rst:440: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:440: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:447: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/driver-api/gpio/driver.rst:449: WARNING: Definition list ends without a blank line; unexpected unindent. Documentation/driver-api/gpio/driver.rst:462: WARNING: Unexpected indentation. Documentation/driver-api/gpio/driver.rst:460: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:462: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:465: WARNING: Block quote ends without a blank line; unexpected unindent. Documentation/driver-api/gpio/driver.rst:467: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:467: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:467: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:471: WARNING: Inline emphasis start-string without end-string. Documentation/driver-api/gpio/driver.rst:478: WARNING: Inline emphasis start-string without end-string. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Merge tag 'pinctrl-v5.6-1' of ↵Linus Torvalds2020-01-291-5/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "This is the bulk of pin control changes, nothing too exciting about this. Some changes hit arch/sh and arch/arm but are well isolated and acknowledged by the respective arch maintainers. Core changes: - Dropped the chained IRQ setup callback into GPIOLIB as we got rid of the last users of that in this changeset. New drivers: - New driver for Ingenic X1830. - New driver for Freescale i.MX8MP. Driver enhancements: - Fix all remaining Intel drivers to pass their IRQ chips along with the GPIO chips. - Intel Baytrail allocates its irqchip dynamically. - Intel Lynxpoint is thoroughly rewritten and modernized. - Aspeed AST2600 pin muxing and configuration is much improved. - Qualcomm SC7180 functions are updated and wakeup interrupt map is provided. - A whole slew of Renesas SH-PFC cleanups and improvements. - Fix up the Intel DT bindings to use the generic YAML DT bindings schema (a first user of this)" * tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits) pinctrl: madera: Remove extra blank line pinctrl: qcom: Don't lock around irq_set_irq_wake() pinctrl: mvebu: armada-37xx: use use platform api gpio: Drop the chained IRQ handler assign function pinctrl: freescale: Add i.MX8MP pinctrl driver support dt-bindings: imx: Add pinctrl binding doc for i.MX8MP pinctrl: tigerlake: Tiger Lake uses _HID enumeration pinctrl: sunrisepoint: Add Coffee Lake-S ACPI ID pinctrl: iproc: Use platform_get_irq_optional() to avoid error message pinctrl: dt-bindings: Fix some errors in the lgm and pinmux schema pinctrl: intel: Pass irqchip when adding gpiochip pinctrl: intel: Add GPIO <-> pin mapping ranges via callback pinctrl: baytrail: Replace WARN with dev_info_once when setting direct-irq pin to output pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins pinctrl: sunrisepoint: Add missing Interrupt Status register offset pinctrl: sh-pfc: Split R-Car H3 support in two independent drivers pinctrl: artpec6: fix __iomem on reg in set pinctrl: ingenic: Use devm_platform_ioremap_resource() pinctrl: ingenic: Factorize irq_set_type function pinctrl: ingenic: Remove duplicated ingenic_chip_info structures ...
| * gpio: Drop the chained IRQ handler assign functionLinus Walleij2020-01-231-5/+0
| | | | | | | | | | | | | | | | | | | | | | gpiochip_set_chained_irqchip() would assign a chained handler to a GPIO chip. We now populate struct gpio_irq_chip for all chained GPIO irqchips so drop this function. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20200113220800.77817-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Add use guidance documentationLinus Walleij2020-01-153-4/+55
|/ | | | | | | | | | | The text in this new document is a response to recurring questions about the GPIO in-kernel API vs the userspace ABI. When do you use one or the other? It can be a bit intuitive, but I tried to sum it all up. Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Link: https://lore.kernel.org/r/20200108001712.47500-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'docs-5.5a' of git://git.lwn.net/linuxLinus Torvalds2019-12-021-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull Documentation updates from Jonathan Corbet: "Here are the main documentation changes for 5.5: - Various kerneldoc script enhancements. - More RST conversions; those are slowing down as we run out of things to convert, but we're a ways from done still. - Dan's "maintainer profile entry" work landed at last. Now we just need to get maintainers to fill in the profiles... - A reworking of the parallel build setup to work better with a variety of systems (and to not take over huge systems entirely in particular). - The MAINTAINERS file is now converted to RST during the build. Hopefully nobody ever tries to print this thing, or they will need to load a lot of paper. - A script and documentation making it easy for maintainers to add Link: tags at commit time. Also included is the removal of a bunch of spurious CR characters" * tag 'docs-5.5a' of git://git.lwn.net/linux: (91 commits) docs: remove a bunch of stray CRs docs: fix up the maintainer profile document libnvdimm, MAINTAINERS: Maintainer Entry Profile Maintainer Handbook: Maintainer Entry Profile MAINTAINERS: Reclaim the P: tag for Maintainer Entry Profile docs, parallelism: Rearrange how jobserver reservations are made docs, parallelism: Do not leak blocking mode to other readers docs, parallelism: Fix failure path and add comment Documentation: Remove bootmem_debug from kernel-parameters.txt Documentation: security: core.rst: fix warnings Documentation/process/howto/kokr: Update for 4.x -> 5.x versioning Documentation/translation: Use Korean for Korean translation title docs/memory-barriers.txt: Remove remaining references to mmiowb() docs/memory-barriers.txt/kokr: Update I/O section to be clearer about CPU vs thread docs/memory-barriers.txt/kokr: Fix style, spacing and grammar in I/O section Documentation/kokr: Kill all references to mmiowb() docs/memory-barriers.txt/kokr: Rewrite "KERNEL I/O BARRIER EFFECTS" section docs: Add initial documentation for devfreq Documentation: Document how to get links with git am docs: Add request_irq() documentation ...
| * docs: fix some broken referencesMauro Carvalho Chehab2019-10-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | There are a number of documentation files that got moved or renamed. update their references. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Shannon Nelson <snelson@pensando.io> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Paul Walmsley <paul.walmsley@sifive.com> # RISC-V Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | Documentation: gpio: driver.rst: Fix warningsDaniel W. S. Almeida2019-11-221-9/+12
| | | | | | | | | | | | | | | | | | Fix warnings due to incorrect rst markup. Also improved the presentation a little without changing the underlying content. Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com> Link: https://lore.kernel.org/r/20191122034702.58563-1-dwlsalmeida@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Merge tag 'gpio-v5.5-updates-for-linus-part-1' of ↵Linus Walleij2019-10-231-0/+4
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel gpio updates for v5.5 - only get the second IRQ when there is more than one IRQ in mxc - move the code around in lineevent_create() for some shrinkage - fix formatting for GPIO docs - add DT binding for r8a774b1 - convert drivers that prevously used nocache ioremap() to using regular devm_platform_ioremap_resource() - remove some redundant error messages - shrink object code in 104-idi-48e - drop an unneeded warning from gpiolib-of
| * | Documentation: gpio: driver: Format code blocks properlyJonathan Neuschäfer2019-10-031-0/+4
| |/ | | | | | | | | | | | | | | This fixes a lot of Sphinx warnings, and makes the code blocks look nice in HTML. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* | docs: driver-api: bt8xxgpio: Revive dead linkJonathan Neuschäfer2019-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | www.bu3sch.de has been unusable for several years, but the same information is available on bues.ch. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Link: https://lore.kernel.org/r/20191004164059.10397-2-j.neuschaefer@gmx.net Acked-by: Michael Büsch <m@bues.ch> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | docs: driver-api: Move bt8xxgpio to the gpio directoryJonathan Neuschäfer2019-10-092-0/+63
|/ | | | | | | | Let's declutter Documentation/driver-api a bit. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Link: https://lore.kernel.org/r/20191004164059.10397-1-j.neuschaefer@gmx.net Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'gpio-v5.4-updates-for-linus' of ↵Linus Walleij2019-09-031-8/+8
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel gpio: updates for v5.4 - use a helper variable for &pdev->dev in gpio-em - tweak the ifdefs in GPIO headers - fix function links in HTML docs - remove an unneeded error message from ixp4xx - use the optional clk_get in gpio-mxc instead of checking the return value - a couple improvements in pca953x - allow to build gpio-lpc32xx on non-lpc32xx targets
| * Documentation: gpio: fix function links in the HTML docsJeremy Cline2019-07-301-8/+8
| | | | | | | | | | | | | | | | | | | | | | The shorthand [_data] and [devm_] cause the HTML documentation to not link to the function documentation properly. This expands the references to the complete function names with the exception of devm_gpiochip_remove() which was dropped by commit 48207d7595d2 ("gpio: drop devm_gpiochip_remove()"). Signed-off-by: Jeremy Cline <jcline@redhat.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* | gpio: Add support for hierarchical IRQ domainsLinus Walleij2019-08-151-14/+108
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hierarchical IRQ domains can be used to stack different IRQ controllers on top of each other. Bring hierarchical IRQ domains into the GPIOLIB core with the following basic idea: Drivers that need their interrupts handled hierarchically specify a callback to translate the child hardware IRQ and IRQ type for each GPIO offset to a parent hardware IRQ and parent hardware IRQ type. Users have to pass the callback, fwnode, and parent irqdomain before calling gpiochip_irqchip_add(). We use the new method of just filling in the struct gpio_irq_chip before adding the gpiochip for all hierarchical irqchips of this type. The code path for device tree is pretty straight-forward, while the code path for old boardfiles or anything else will be more convoluted requireing upfront allocation of the interrupts when adding the chip. One specific use-case where this can be useful is if a power management controller has top-level controls for wakeup interrupts. In such cases, the power management controller can be a parent to other interrupt controllers and program additional registers when an IRQ has its wake capability enabled or disabled. The hierarchical irqchip helper code will only be available when IRQ_DOMAIN_HIERARCHY is selected to GPIO chips using this should select or depend on that symbol. When using hierarchical IRQs, the parent interrupt controller must also be hierarchical all the way up to the top interrupt controller wireing directly into the CPU, so on systems that do not have this we can get rid of all the extra code for supporting hierarchical irqs. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Lina Iyer <ilina@codeaurora.org> Cc: Jon Hunter <jonathanh@nvidia.com> Cc: Sowjanya Komatineni <skomatineni@nvidia.com> Cc: Bitan Biswas <bbiswas@nvidia.com> Cc: linux-tegra@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Brian Masney <masneyb@onstation.org> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Brian Masney <masneyb@onstation.org> Co-developed-by: Brian Masney <masneyb@onstation.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20190808123242.5359-1-linus.walleij@linaro.org
* docs: driver-model: move it to the driver-api bookMauro Carvalho Chehab2019-07-151-1/+1
| | | | | | | The audience for the Kernel driver-model is clearly Kernel hackers. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> # ice driver changes
* Merge tag 'driver-core-5.3-rc1' of ↵Linus Torvalds2019-07-121-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core and debugfs updates from Greg KH: "Here is the "big" driver core and debugfs changes for 5.3-rc1 It's a lot of different patches, all across the tree due to some api changes and lots of debugfs cleanups. Other than the debugfs cleanups, in this set of changes we have: - bus iteration function cleanups - scripts/get_abi.pl tool to display and parse Documentation/ABI entries in a simple way - cleanups to Documenatation/ABI/ entries to make them parse easier due to typos and other minor things - default_attrs use for some ktype users - driver model documentation file conversions to .rst - compressed firmware file loading - deferred probe fixes All of these have been in linux-next for a while, with a bunch of merge issues that Stephen has been patient with me for" * tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (102 commits) debugfs: make error message a bit more verbose orangefs: fix build warning from debugfs cleanup patch ubifs: fix build warning after debugfs cleanup patch driver: core: Allow subsystems to continue deferring probe drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT arch_topology: Remove error messages on out-of-memory conditions lib: notifier-error-inject: no need to check return value of debugfs_create functions swiotlb: no need to check return value of debugfs_create functions ceph: no need to check return value of debugfs_create functions sunrpc: no need to check return value of debugfs_create functions ubifs: no need to check return value of debugfs_create functions orangefs: no need to check return value of debugfs_create functions nfsd: no need to check return value of debugfs_create functions lib: 842: no need to check return value of debugfs_create functions debugfs: provide pr_fmt() macro debugfs: log errors when something goes wrong drivers: s390/cio: Fix compilation warning about const qualifiers drivers: Add generic helper to match by of_node driver_find_device: Unify the match function with class_find_device() bus_find_device: Unify the match callback with class_find_device ...
| * docs: driver-model: convert docs to ReST and rename to *.rstMauro Carvalho Chehab2019-06-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the various documents at the driver-model, preparing them to be part of the driver-api book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> # ice Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'docs-5.3' of git://git.lwn.net/linuxLinus Torvalds2019-07-092-2/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull Documentation updates from Jonathan Corbet: "It's been a relatively busy cycle for docs: - A fair pile of RST conversions, many from Mauro. These create more than the usual number of simple but annoying merge conflicts with other trees, unfortunately. He has a lot more of these waiting on the wings that, I think, will go to you directly later on. - A new document on how to use merges and rebases in kernel repos, and one on Spectre vulnerabilities. - Various improvements to the build system, including automatic markup of function() references because some people, for reasons I will never understand, were of the opinion that :c:func:``function()`` is unattractive and not fun to type. - We now recommend using sphinx 1.7, but still support back to 1.4. - Lots of smaller improvements, warning fixes, typo fixes, etc" * tag 'docs-5.3' of git://git.lwn.net/linux: (129 commits) docs: automarkup.py: ignore exceptions when seeking for xrefs docs: Move binderfs to admin-guide Disable Sphinx SmartyPants in HTML output doc: RCU callback locks need only _bh, not necessarily _irq docs: format kernel-parameters -- as code Doc : doc-guide : Fix a typo platform: x86: get rid of a non-existent document Add the RCU docs to the core-api manual Documentation: RCU: Add TOC tree hooks Documentation: RCU: Rename txt files to rst Documentation: RCU: Convert RCU UP systems to reST Documentation: RCU: Convert RCU linked list to reST Documentation: RCU: Convert RCU basic concepts to reST docs: filesystems: Remove uneeded .rst extension on toctables scripts/sphinx-pre-install: fix out-of-tree build docs: zh_CN: submitting-drivers.rst: Remove a duplicated Documentation/ Documentation: PGP: update for newer HW devices Documentation: Add section about CPU vulnerabilities for Spectre Documentation: platform: Delete x86-laptop-drivers.txt docs: Note that :c:func: should no longer be used ...
| * | docs: fix broken documentation linksMauro Carvalho Chehab2019-06-082-2/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | Mostly due to x86 and acpi conversion, several documentation links are still pointing to the old file. Fix them. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by: Wolfram Sang <wsa@the-dreams.de> Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com> Reviewed-by: Bhupesh Sharma <bhsharma@redhat.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | Documentation: gpio: Fix reference to gpiod_get_array()Geert Uytterhoeven2019-07-041-1/+1
| | | | | | | | | | | | | | | | | | The function is called gpiod_get_array(), not gpiod_array_get(). Fixes: 77588c14ac868cae ("gpiolib: Pass array info to get/set array functions") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20190701141005.24631-1-geert+renesas@glider.be Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | docs: gpio: driver.rst: fix a bad tagMauro Carvalho Chehab2019-06-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | With ReST, [foo]_ means a reference to foo, causing this warning: Documentation/driver-api/gpio/driver.rst:419: WARNING: Unknown target name: "devm". Fix it by using a literal for the name. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Documentation: gpio: remove duplicated linesLuca Ceresoli2019-05-281-2/+0
| | | | | | | | | | | | | | | | | | The 'default (active high)' lines are repeated twice. Avoid people stare at their screens looking for differences. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: Fix minor grammar errors in documentationLinus Walleij2019-05-281-7/+7
|/ | | | | | | This fixes up some of my own mistakes when I stressed to refresh the documentation. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
generated by cgit (git 2.34.1) at 2025-02-25 03:54:13 +0000