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GET /api/1.1/patches/2221745/?format=api
{ "id": 2221745, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2221745/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260410083951.13983-1-bartosz.golaszewski@oss.qualcomm.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.1/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260410083951.13983-1-bartosz.golaszewski@oss.qualcomm.com>", "date": "2026-04-10T08:39:51", "name": "[GIT,PULL] gpio updates for v7.1-rc1", "commit_ref": null, "pull_url": "git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git tags/gpio-updates-for-v7.1-rc1", "state": "new", "archived": false, "hash": null, "submitter": { "id": 92196, "url": "http://patchwork.ozlabs.org/api/1.1/people/92196/?format=api", "name": "Bartosz Golaszewski", "email": "bartosz.golaszewski@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260410083951.13983-1-bartosz.golaszewski@oss.qualcomm.com/mbox/", "series": [ { "id": 499425, "url": "http://patchwork.ozlabs.org/api/1.1/series/499425/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=499425", "date": "2026-04-10T08:39:51", "name": "[GIT,PULL] gpio updates for v7.1-rc1", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499425/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221745/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221745/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-gpio+bounces-34989-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ 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brgl@kernel.org,\n Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>", "Subject": "[GIT PULL] gpio updates for v7.1-rc1", "Date": "Fri, 10 Apr 2026 10:39:51 +0200", "Message-ID": "<20260410083951.13983-1-bartosz.golaszewski@oss.qualcomm.com>", "X-Mailer": "git-send-email 2.47.3", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "E99MGdN-CLWO2r2mfoZ7-IBRlctN6fr5", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDEwMDA3OSBTYWx0ZWRfX6OCE+kZJ7Y07\n Vg0pLEiQD894CUrey7FyhiNAaBGrp4EZMu1HOjoZGPAfMrrNzuUR5IR62+YCMLkpBlGhYw6CSb2\n KEfkzp2DEhMGqQ1RkQiZMDJGWJPM/E89TfZPW2arInCqm1Xqoq+9pvZItMZiLlLhRk5hKzXglR2\n ++oNLQuyH7N+4/zGEXEjDof5UBXrb1Kqx+nb2GpyGeFerNhLDGt5Su7uXP9thNEkjrraA/mG9xs\n fjKK1nZyquSkywL1Z0tKXZ4nw2ZIb+MubvJW9ar97DJkyUmVEmcKZImyZMoI6Be9bMet7O8lEF8\n bkBKg5G24ToXpyqrzjGFv70GNqzzJ15GDMtm8qUXEsyVD06cnLyFVlVSZHdOmlzlSR56sNb5PFh\n Dc1l9mfOFWfaZtAdjF3ReD5g7lGiS7bG/s8D2ODOsRlbhbMrLU+b/51cnZrSjmyBUHV8em6NMna\n 7gV4cvFOE1V05i1gE5A==", "X-Proofpoint-ORIG-GUID": "E99MGdN-CLWO2r2mfoZ7-IBRlctN6fr5", "X-Authority-Analysis": "v=2.4 cv=DslmPm/+ c=1 sm=1 tr=0 ts=69d8b75f cx=c_pps\n a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10\n a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22\n a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=XamQjbECxn_R_DjOcKcA:9\n a=a_PwQJl-kcHnX1M80qC6:22", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-10_02,2026-04-09_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n phishscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 malwarescore=0\n clxscore=1015 impostorscore=0 bulkscore=0 priorityscore=1501 spamscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604100079" }, "content": "Linus,\n\nI'll be OoO next week and disconnected so I'm sending an early PR for the\nnext cycle.\n\nFor this merge window we have two new drivers: support for GPIO-signalled\nACPI events on Intel platforms and a generic GPIO-over-pinctrl driver using\nthe ARM SCMI protocol for controlling pins.\n\nSeveral things have been reworked in GPIO core: we unduplicated GPIO hog\nhandling, reduced the number of SRCU locks and dereferences, improved\nsupport for software-node-based lookup and removed more legacy code after\nconverting remaining users to modern alternatives.\n\nThere's also a number of driver reworks and refactoring, documentation\nupdates, some bug-fixes and new tests.\n\nThe merges in this PR are as follows: immutable branch provided to the\nnet tree with driver changes prerequisite to legacy code removal, pinctrl\nchanges pulled ahead of adding the SCMI GPIO driver and an immutable branch\nwith a high-risk GPIO core fix that was then pulled into the for-current\nbranch and sent for v7.0 after spending some time in linux-next with no\nregressions.\n\nDetails are in the signed tag. Please consider pulling for v7.1-rc1.\n\nThanks,\nBartosz\n\nThe following changes since commit 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f:\n\n Linux 7.0-rc1 (2026-02-22 13:18:59 -0800)\n\nare available in the Git repository at:\n\n git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git tags/gpio-updates-for-v7.1-rc1\n\nfor you to fetch changes up to ca13ab654064fee86d6e7c9e87d0af7789561509:\n\n gpio: swnode: defer probe on references to unregistered software nodes (2026-04-09 15:59:30 +0200)\n\n----------------------------------------------------------------\ngpio updates for v7.1-rc1\n\nGPIO core:\n- defer probe on software node lookups when the remote software node\n exists but has not been registered as a firmware node yet\n- unify GPIO hog handling by moving code duplicated in OF and ACPI\n modules into GPIO core and allow setting up hogs with software nodes\n- allow matching GPIO controllers by secondary firmware node if matching\n by primary does not succeed\n- demote deferral warnings to debug level as they are quite normal when\n using software nodes which don't support fw_devlink yet\n- disable the legacy GPIO character device uAPI v1 supprt in Kconfig by\n default\n- rework several core functions in preparation for the upcoming Revocable\n helper library for protecting resources against sudden removal, this\n reduces the number of SRCU dereferences in GPIO core\n- simplify file descriptor logic in GPIO character device code by using\n FD_PREPARE()\n- introduce a header defining symbols used by both GPIO consumers and\n providers to avoid having to include provider-specific headers from\n drivers which only consume GPIOs\n- replace snprintf() with strscpy() where formatting is not required\n\nNew drivers:\n- add the gpio-by-pinctrl generic driver using the ARM SCMI protocol to\n control GPIOs (along with SCMI changes pulled from the pinctrl tree)\n- add a driver providing support for handling of platform events via\n GPIO-signalled ACPI events (used on Intel Nova Lake and later platforms)\n\nDriver changes:\n- extend the gpio-kempld driver with support for more recent models,\n interrupts and setting/getting multiple values at once\n- improve interrupt handling in gpio-brcmstb\n- add support for multi-SoC systems in gpio-tegra186\n- make sure we return correct values from the .get() callbacks in several\n GPIO drivers by normalizing any values other than 0, 1 or negative error\n numbers\n- use flexible arrays in several drivers to reduce the number of required\n memory allocations\n- simplify synchronous waiting for virtual drivers to probe and remove the\n dedicated, a bit overengineered helper library dev-sync-probe\n- remove unneeded Kconfig dependencies on OF_GPIO in several drivers and\n subsystems\n- convert the two remaining users of of_get_named_gpio() to using GPIO\n descriptors and remove the (no longer used) function along with the\n header that declares it\n- add missing includes in gpio-mmio\n- shrink and simplify code in gpio-max732x by using guard(mutex)\n- remove duplicated code handling the 'ngpios' property from gpio-ts4800,\n it's already handled in GPIO core\n- use correct variable type in gpio-aspeed\n- add support for a new model in gpio-realtek-otto\n- allow to specify the active-low setting of simulated hogs over the\n configfs interface (in addition to existing devicetree support) in\n gpio-sim\n\nBug fixes:\n- clear the OF_POPULATED flag on hog nodes in GPIO chip remove path on\n OF systems\n- fix resource leaks in error path in gpiochip_add_data_with_key()\n- drop redundant device reference in gpio-mpsse\n\nTests:\n- add selftests for use-after-free cases in GPIO character device code\n\nDT bindings:\n- add a DT binding document for SCMI based, gpio-over-pinctrl devices\n- fix interrupt description in microchip,mpfs-gpio\n- add new compatible for gpio-realtek-otto\n- describe the resets of the mpfs-gpio controller\n- fix maintainer's email in gpio-delay bindings\n- remove the binding document for cavium,thunder-8890 as the corresponding\n device is bound over PCI and not firmware nodes\n\nDocumentation:\n- update the recommended way of converting legacy boards to using software\n nodes for GPIO description\n- describe GPIO line value semantics\n- misc updates to kerneldocs\n\nMisc:\n- convert OMAP1 ams-delta board to using GPIO hogs described with software\n nodes\n\n----------------------------------------------------------------\nAKASHI Takahiro (3):\n pinctrl: introduce pinctrl_gpio_get_config()\n gpio: dt-bindings: Add GPIO on top of generic pin control\n gpio: gpio-by-pinctrl: add pinctrl based generic GPIO driver\n\nAlan Borzeszkowski (1):\n gpio: Add Intel Nova Lake ACPI GPIO events driver\n\nAlban Bedel (4):\n gpio: kempld: Simplify the bit level register accesses\n gpio: kempld: Add support for PLD version >= 2.8\n gpio: kempld: Add support for get/set multiple\n gpio: kempld: Implement the interrupt controller\n\nAndy Shevchenko (2):\n gpio: ts4800: Remove duplicate code to handle 'ngpios' property\n gpio: generic: Don't use 'proxy' headers\n\nArnd Bergmann (1):\n gpio: fix up CONFIG_OF dependencies\n\nBartosz Golaszewski (22):\n gpio: introduce a header for symbols shared by suppliers and consumers\n gpiolib: match secondary fwnode too in gpio_device_find_by_fwnode()\n Merge branch 'gpio/dev-init-rework' into gpio/for-next\n Merge tag 'ib-gpio-remove-of-gpio-h-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git into gpio/for-next\n arc: axs10x: drop unneeded dependency on OF_GPIO\n powerpc: drop unneeded dependency on OF_GPIO\n regulator: drop unneeded dependencies on OF_GPIO\n gpio: of: clear OF_POPULATED on hog nodes in remove path\n gpio: move hogs into GPIO core\n gpio: sim: use fwnode-based GPIO hogs\n ARM: omap1: ams-delta: convert GPIO hogs to using firmware nodes\n gpio: remove machine hogs\n gpio: sim: allow to define the active-low setting of a simulated hog\n gpio: drop unneeded Kconfig dependencies on OF_GPIO\n Merge branch 'ib-scmi-pinctrl-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into gpio/for-next\n gpiolib: fix hogs with multiple lines\n gpio: sim: stop using dev-sync-probe\n gpio: aggregator: stop using dev-sync-probe\n gpio: virtuser: stop using dev-sync-probe\n gpio: remove dev-sync-probe\n Documentation: gpio: update the preferred method for using software node lookup\n gpio: swnode: defer probe on references to unregistered software nodes\n\nChen Jung Ku (1):\n gpio: aspeed: fix unsigned long int declaration\n\nConor Dooley (2):\n dt-bindings: gpio: mpfs-gpio: permit resets\n dt-bindings: gpio: fix microchip,mpfs-gpio interrupt documentation\n\nDan Carpenter (4):\n pinctrl: scmi: Add SCMI_PIN_INPUT_VALUE\n pinctrl: scmi: Delete PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS support\n pinctrl: scmi: ignore PIN_CONFIG_PERSIST_STATE\n firmware: arm_scmi: Allow PINCTRL_REQUEST to return EOPNOTSUPP\n\nDmitry Torokhov (7):\n gpio: bd9571mwv: normalize return value of gpio_get\n gpio: cgbc: normalize return value of gpio_get\n gpio: da9055: normalize return value of gpio_get\n gpio: lp873x: normalize return value of gpio_get\n gpio: stp-xway: normalize return value of gpio_get\n gpio: tps65086: normalize return value of gpio_get\n gpio: viperboard: normalize return value of gpio_get\n\nDoug Berger (2):\n gpio: brcmstb: implement .irq_mask_ack()\n gpio: brcmstb: allow parent_irq to wake\n\nFlorian Fainelli (1):\n gpio: brcmstb: Utilize irqd_to_hwirq(d) instead of d->hwirq\n\nGeert Uytterhoeven (1):\n gpio: gpio-by-pinctrl: s/used to do/is used to do/\n\nJialu Xu (3):\n nfc: s3fwrn5: convert to gpio descriptors\n nfc: nfcmrvl: convert to gpio descriptors\n gpio: remove of_get_named_gpio() and <linux/of_gpio.h>\n\nJohan Hovold (1):\n gpio: mpsse: drop redundant device reference\n\nJon Hunter (1):\n gpiolib: Make deferral warnings debug messages\n\nKent Gibson (1):\n gpio: cdev: convert lineevent_create() and linereq_create() to FD_PREPARE()\n\nKrzysztof Kozlowski (1):\n dt-bindings: gpio: gpio-delay: Use Alexander's email\n\nLinus Walleij (3):\n gpio: Document line value semantics\n gpiolib: Update gpiochip_find_base_unlocked() kerneldoc\n Do not enable the v1 uAPI by default\n\nPrathamesh Shete (2):\n gpio: tegra186: Simplify GPIO line name prefix handling\n gpio: tegra186: Support multi-socket devices\n\nRichard Lyu (1):\n gpio: max732x: use guard(mutex) to simplify locking\n\nRosen Penev (5):\n gpio: bcm-kona: reduce the number of memory allocations\n gpio: htc-egpio: allocate irq with the main struct\n gpio: tegra186: allocate irqs with the main struct\n gpio: cs5535: use dynamically allocated priv struct\n gpio: dwapb: reduce allocation to single kzalloc\n\nRustam Adilov (2):\n dt-bindings: gpio: realtek-otto: add rtl9607 compatible\n gpio: realtek-otto: add rtl9607 support\n\nShawn Lin (1):\n gpio: rockchip: convert to dynamic GPIO base allocation\n\nShi Hao (1):\n dt-bindings: gpio: cavium,thunder-8890: Remove DT binding\n\nThorsten Blum (1):\n gpiolib: replace snprintf(\"%s\") with strscpy\n\nTzung-Bi Shih (9):\n gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()\n gpio: Access `gpio_bus_type` in gpiochip_setup_dev()\n gpio: Remove redundant check for struct gpio_chip\n gpio: sysfs: Remove redundant check for struct gpio_chip\n gpio: Ensure struct gpio_chip for gpiochip_setup_dev()\n gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open()\n selftests: gpio: Add gpio-cdev-uaf tests\n gpio: Fix lockdep warnings in gpiolib_{cdev,sysfs}_register()\n Revert \"gpio: Access `gpio_bus_type` in gpiochip_setup_dev()\"\n\n .../devicetree/bindings/gpio/gpio-delay.yaml | 2 +-\n .../devicetree/bindings/gpio/gpio-thunderx.txt | 27 --\n .../bindings/gpio/microchip,mpfs-gpio.yaml | 27 +-\n .../devicetree/bindings/gpio/pin-control-gpio.yaml | 59 ++++\n .../bindings/gpio/realtek,otto-gpio.yaml | 1 +\n Documentation/driver-api/gpio/board.rst | 39 ++-\n Documentation/driver-api/gpio/driver.rst | 27 ++\n Documentation/driver-api/gpio/legacy-boards.rst | 36 ++-\n MAINTAINERS | 8 +-\n arch/arc/plat-axs10x/Kconfig | 1 -\n arch/arm/mach-omap1/board-ams-delta.c | 32 +-\n arch/powerpc/platforms/85xx/Kconfig | 1 -\n drivers/firmware/arm_scmi/pinctrl.c | 2 +\n drivers/gpio/Kconfig | 108 ++++---\n drivers/gpio/Makefile | 5 +-\n drivers/gpio/TODO | 28 --\n drivers/gpio/dev-sync-probe.c | 97 -------\n drivers/gpio/dev-sync-probe.h | 25 --\n drivers/gpio/gpio-aggregator.c | 38 +--\n drivers/gpio/gpio-aspeed.c | 2 +-\n drivers/gpio/gpio-bcm-kona.c | 37 +--\n drivers/gpio/gpio-bd9571mwv.c | 2 +-\n drivers/gpio/gpio-brcmstb.c | 125 +++++---\n drivers/gpio/gpio-by-pinctrl.c | 101 +++++++\n drivers/gpio/gpio-cgbc.c | 4 +-\n drivers/gpio/gpio-cs5535.c | 48 ++-\n drivers/gpio/gpio-da9055.c | 2 +-\n drivers/gpio/gpio-dwapb.c | 19 +-\n drivers/gpio/gpio-htc-egpio.c | 13 +-\n drivers/gpio/gpio-kempld.c | 289 +++++++++++++++++-\n drivers/gpio/gpio-lp873x.c | 2 +-\n drivers/gpio/gpio-max732x.c | 24 +-\n drivers/gpio/gpio-mmio.c | 4 +-\n drivers/gpio/gpio-mpsse.c | 13 +-\n drivers/gpio/gpio-novalake-events.c | 323 +++++++++++++++++++++\n drivers/gpio/gpio-realtek-otto.c | 4 +\n drivers/gpio/gpio-rockchip.c | 2 +-\n drivers/gpio/gpio-sim.c | 241 ++++++++-------\n drivers/gpio/gpio-stp-xway.c | 2 +-\n drivers/gpio/gpio-tegra186.c | 45 +--\n drivers/gpio/gpio-tps65086.c | 2 +-\n drivers/gpio/gpio-ts4800.c | 10 -\n drivers/gpio/gpio-viperboard.c | 2 +-\n drivers/gpio/gpio-virtuser.c | 30 +-\n drivers/gpio/gpiolib-acpi-core.c | 70 -----\n drivers/gpio/gpiolib-cdev.c | 159 +++-------\n drivers/gpio/gpiolib-cdev.h | 2 +-\n drivers/gpio/gpiolib-of.c | 183 ++----------\n drivers/gpio/gpiolib-of.h | 10 +\n drivers/gpio/gpiolib-swnode.c | 8 +\n drivers/gpio/gpiolib-sysfs.c | 30 +-\n drivers/gpio/gpiolib-sysfs.h | 8 +-\n drivers/gpio/gpiolib.c | 323 ++++++++++++---------\n drivers/gpio/gpiolib.h | 6 +-\n drivers/nfc/nfcmrvl/main.c | 47 +--\n drivers/nfc/nfcmrvl/nfcmrvl.h | 4 +-\n drivers/nfc/nfcmrvl/uart.c | 23 +-\n drivers/nfc/nfcmrvl/usb.c | 2 +-\n drivers/nfc/s3fwrn5/i2c.c | 54 +---\n drivers/nfc/s3fwrn5/phy_common.c | 11 +-\n drivers/nfc/s3fwrn5/phy_common.h | 5 +-\n drivers/nfc/s3fwrn5/uart.c | 43 +--\n drivers/pinctrl/core.c | 31 ++\n drivers/pinctrl/pinconf.h | 6 +\n drivers/pinctrl/pinctrl-scmi.c | 46 ++-\n drivers/regulator/Kconfig | 2 -\n include/linux/gpio/consumer.h | 2 +\n include/linux/gpio/defs.h | 9 +\n include/linux/gpio/driver.h | 15 +-\n include/linux/gpio/generic.h | 8 +-\n include/linux/gpio/machine.h | 33 ---\n include/linux/mfd/kempld.h | 1 +\n include/linux/of_gpio.h | 38 ---\n include/linux/pinctrl/consumer.h | 9 +\n tools/testing/selftests/gpio/Makefile | 5 +-\n tools/testing/selftests/gpio/gpio-cdev-uaf.c | 292 +++++++++++++++++++\n tools/testing/selftests/gpio/gpio-cdev-uaf.sh | 63 ++++\n 77 files changed, 2126 insertions(+), 1331 deletions(-)\n delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-thunderx.txt\n create mode 100644 Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml\n delete mode 100644 drivers/gpio/dev-sync-probe.c\n delete mode 100644 drivers/gpio/dev-sync-probe.h\n create mode 100644 drivers/gpio/gpio-by-pinctrl.c\n create mode 100644 drivers/gpio/gpio-novalake-events.c\n create mode 100644 include/linux/gpio/defs.h\n delete mode 100644 include/linux/of_gpio.h\n create mode 100644 tools/testing/selftests/gpio/gpio-cdev-uaf.c\n create mode 100755 tools/testing/selftests/gpio/gpio-cdev-uaf.sh", "diff": null, "prefixes": [ "GIT", "PULL" ] }