linux/Documentation
Linus Torvalds 131561f2ca gpio updates for v6.13-rc1
GPIOLIB core:
 - use the new mem_is_zero() instead of memchr_inv(s, 0, n)
 - don't store debounce period twice needlessly
 - clean-up debugfs handling
 - remove leftover comments referring to no longer used spinlocks
 - unduplicate some operations like SRCU locks and initializing GPIO descriptors
 - constify the sysfs class struct
 - use lock guards in GPIO sysfs code
 - update GPIO uAPI internal flags all at once atomically for consistency with
   other places
 - modify the behavior of the sysfs interface by no longer exporting lines that
   are named inside the driver code or board files with the sysfs links bearing
   the line names as this has for many years been largely unused due to the
   prevalence of DT, ACPI and firmware nodes over board files and made the API
   inconsistent
 - for GPIO interrupt providers: free irqs that are still requested by users
   when removing the chip
 
 GPIO uAPI:
 - notify user-space about changes to GPIO lines' state (requested, released,
   reconfigured) triggered from the kernel as well (until now we'd only do
   this for changes triggered from user-space)
 - to that end: modify the internal workings of the notification mechanism by
   switching to an atomic notifier which allows us to send events from atomic
   context
 - also to that end store the debounce period in the GPIO descriptor struct
   and not in the character device context struct
 - while at it, also cover the corner-case of users introducing changes over
   sysfs while others watch them via the character device
 - don't report GPIO lines requested as interrupts as "used" to user-space as it
   can still request them as GPIOs
 
 New drivers:
 - add a driver for the GPIO functionality of the MFD Congatec Board Controller
 - add a driver for the PolarFire GPIO controller
 - add a driver supporting the GPIOs on FTDI FT2232H
 
 Driver improvements:
 - use generic device property accessors instead of OF-specific ones across
   many GPIO drivers (mpc8xxx, vf610, eic-sprd, davinci, ts4900, xilinx, mvebu)
 - use devres helpers to simplify error paths and either shrink or entirely
   remove the driver's remove() callback (grgpio, amdpt, menz127, max730x,
   ftgpio010, 74x164, ljca)
 - use helper variables to store the address of pdev->dev and avoid some
   line-breaks
 - use device_for_each_child_node_scoped() to avoid having to put the fwnode
   on breaks or errors (gpio-sim, gpio-dwapb, gpiolib-acpi)
 - use a scoped bitmap to simplify the code and drop goto labels in
   gpio-aggregator
 - drop unneeded Kconfig dependencies on OF_GPIO (grgpio, mveby, xilinx)
 - add support for new models to gpio-aspeed, gpio-rockchip and gpio-dwapb
 - clean-up ACPI handling and some other bits in gpio-xgene-sb
 - replace deprecated PCI functions in pcie-idio-24 and pci-idio-16
 - allow to build davinci and mvebu drivers with COMPILE_TEST=y
 - remove dead code in gpio-mb86s7x
 - switch back to using platform_driver::remove() (after the conversion to
   remove_new()) across the GPIO drivers
 - remove remaining uses of GPIOF_ACTIVE_LOW across the tree and drop this
   deprecated symbol
 - convert the gpio-altera driver to no longer pull in the deprecated
   legacy-of-mm-gpiochip.h header
 - use of_property_present() instead of of_property_read_bool() in gpiolib-of
   and gpio-rockchip
 - allow to build the tegra186 driver on Tegra234 platforms in Kconfig
 
 Late fixes:
 - add a missing return value check after devm_kasprintf() to gpio-grgpio
 
 DT bindings:
 - document the ngpios property of gpio-mmio
 - add support for a new aspeed model
 - fix the example for st,nomadik-gpio
 
 Other:
 - kernel doc and comments tweaks
 - fix typos in TODO
 - reorder headers alphabetically in some drivers
 - fix incorrect format specifiers in gpio tools
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Merge tag 'gpio-updates-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "Three new drivers, support for some new models in existing ones and
  lots of various tweaks and improvements across the board (switching to
  using recommended APIs, code shrink and simplification, etc.).

  Also a new feature in the character device uAPI where we now notify
  the user-space about changes triggered by in-kernel users as well, not
  only when they were done by other user-space agents.

  Summary:

  GPIOLIB core:
   - use the new mem_is_zero() instead of memchr_inv(s, 0, n)
   - don't store debounce period twice needlessly
   - clean-up debugfs handling
   - remove leftover comments referring to no longer used spinlocks
   - unduplicate some operations like SRCU locks and initializing GPIO
     descriptors
   - constify the sysfs class struct
   - use lock guards in GPIO sysfs code
   - update GPIO uAPI internal flags all at once atomically for
     consistency with other places
   - modify the behavior of the sysfs interface by no longer exporting
     lines that are named inside the driver code or board files with the
     sysfs links bearing the line names as this has for many years been
     largely unused due to the prevalence of DT, ACPI and firmware nodes
     over board files and made the API inconsistent
   - for GPIO interrupt providers: free irqs that are still requested by
     users when removing the chip

  GPIO uAPI:
   - notify user-space about changes to GPIO lines' state (requested,
     released, reconfigured) triggered from the kernel as well (until
     now we'd only do this for changes triggered from user-space)
   - to that end: modify the internal workings of the notification
     mechanism by switching to an atomic notifier which allows us to
     send events from atomic context
   - also to that end store the debounce period in the GPIO descriptor
     struct and not in the character device context struct
   - while at it, also cover the corner-case of users introducing
     changes over sysfs while others watch them via the character device
   - don't report GPIO lines requested as interrupts as "used" to
     user-space as it can still request them as GPIOs

  New drivers:
   - GPIO part of the MFD Congatec Board Controller
   - PolarFire GPIO controller
   - GPIOs on FTDI FT2232H

  Driver improvements:
   - use generic device property accessors instead of OF-specific ones
     across many GPIO drivers (mpc8xxx, vf610, eic-sprd, davinci,
     ts4900, xilinx, mvebu)
   - use devres helpers to simplify error paths and either shrink or
     entirely remove the driver's remove() callback (grgpio, amdpt,
     menz127, max730x, ftgpio010, 74x164, ljca)
   - use helper variables to store the address of pdev->dev and avoid
     some line-breaks
   - use device_for_each_child_node_scoped() to avoid having to put the
     fwnode on breaks or errors (gpio-sim, gpio-dwapb, gpiolib-acpi)
   - use a scoped bitmap to simplify the code and drop goto labels in
     gpio-aggregator
   - drop unneeded Kconfig dependencies on OF_GPIO (grgpio, mveby,
     xilinx)
   - add support for new models to gpio-aspeed, gpio-rockchip and
     gpio-dwapb
   - clean-up ACPI handling and some other bits in gpio-xgene-sb
   - replace deprecated PCI functions in pcie-idio-24 and pci-idio-16
   - allow to build davinci and mvebu drivers with COMPILE_TEST=y
   - remove dead code in gpio-mb86s7x
   - switch back to using platform_driver::remove() (after the
     conversion to remove_new()) across the GPIO drivers
   - remove remaining uses of GPIOF_ACTIVE_LOW across the tree and drop
     this deprecated symbol
   - convert the gpio-altera driver to no longer pull in the deprecated
     legacy-of-mm-gpiochip.h header
   - use of_property_present() instead of of_property_read_bool() in
     gpiolib-of and gpio-rockchip
   - allow to build the tegra186 driver on Tegra234 platforms in Kconfig

  Late fixes:
   - add a missing return value check after devm_kasprintf() to
     gpio-grgpio

  DT bindings:
   - document the ngpios property of gpio-mmio
   - add support for a new aspeed model
   - fix the example for st,nomadik-gpio

  Other:
   - kernel doc and comments tweaks
   - fix typos in TODO
   - reorder headers alphabetically in some drivers
   - fix incorrect format specifiers in gpio tools"

* tag 'gpio-updates-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (98 commits)
  gpio: tegra186: Allow to enable driver on Tegra234
  gpio: grgpio: Add NULL check in grgpio_probe
  tools: gpio: Fix several incorrect format specifiers
  gpio: mpfs: add CoreGPIO support
  gpio: rockchip: support new version GPIO
  gpio: rockchip: change the GPIO version judgment logic
  gpio: rockchip: explan the format of the GPIO version ID
  gpiolib: cdev: use !mem_is_zero() instead of memchr_inv(s, 0, n)
  MAINTAINERS: add gpio driver to PolarFire entry
  gpio: Get rid of GPIOF_ACTIVE_LOW
  USB: gadget: pxa27x_udc: Avoid using GPIOF_ACTIVE_LOW
  pcmcia: soc_common: Avoid using GPIOF_ACTIVE_LOW
  leds: gpio: Avoid using GPIOF_ACTIVE_LOW
  Input: gpio_keys_polled - avoid using GPIOF_ACTIVE_LOW
  Input: gpio_keys - avoid using GPIOF_ACTIVE_LOW
  gpio: Use of_property_present() for non-boolean properties
  gpio: mpfs: add polarfire soc gpio support
  gpio: altera: Drop legacy-of-mm-gpiochip.h header
  gpio: pcie-idio-24: Replace deprecated PCI functions
  gpio: pci-idio-16: Replace deprecated PCI functions
  ...
2024-11-20 12:37:06 -08:00
..
ABI spi: Updates for v6.13 2024-11-20 12:23:06 -08:00
accel drm next for 6.12-rc1 2024-09-19 10:18:15 +02:00
accounting
admin-guide Another moderately busy cycle in docsland: 2024-11-20 09:16:45 -08:00
arch x86/mm changes for v6.13: 2024-11-19 14:48:31 -08:00
block Documentation: ublk: document UBLK_F_USER_RECOVERY_FAIL_IO 2024-10-22 08:16:40 -06:00
bpf docs/bpf: Add missing BPF program types to docs 2024-09-12 10:56:41 -07:00
cdrom
core-api workqueue: Changes for v6.13 2024-11-20 09:41:11 -08:00
cpu-freq
crypto crypto: doc - Fix akcipher title reference 2024-10-10 17:08:02 +08:00
dev-tools linux_kselftest-next-6.13-rc1 2024-11-20 11:54:39 -08:00
devicetree gpio updates for v6.13-rc1 2024-11-20 12:37:06 -08:00
doc-guide
driver-api Linux 6.12-rc2 2024-10-07 14:53:15 +01:00
fault-injection
fb
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firmware_class
firmware-guide
fpga
gpu Short summary of fixes pull: 2024-10-01 08:15:55 +10:00
hid
hwmon hwmon: (tmp108) Add NXP p3t1085 support 2024-11-12 13:54:55 -08:00
i2c
iio docs: iio: ad7380: fix supply for ad7380-4 2024-10-24 18:30:47 +01:00
images
infiniband
input
isdn
kbuild kbuild: doc: replace "gcc" in external module description 2024-09-24 03:07:21 +09:00
kernel-hacking fix grammar on false-sharing.rst 2024-10-14 13:22:17 -06:00
leds - Limited LED current based on thermal conditions in the QCOM flash LED driver. 2024-09-23 14:20:11 -07:00
litmus-tests
livepatch Documentation: livepatch: Correct release locks antonym 2024-09-04 13:42:27 +02:00
locking locking/Documentation: Fix grammar in percpu-rw-semaphore.rst 2024-11-13 10:59:01 +01:00
maintainer docs: Remove redundant word "for" 2024-10-21 09:32:20 -06:00
mhi
misc-devices
mm Another moderately busy cycle in docsland: 2024-11-20 09:16:45 -08:00
netlabel
netlink mptcp: no admin perm to list endpoints 2024-11-05 17:51:08 -08:00
networking net: clarify SO_DEVMEM_DONTNEED behavior in documentation 2024-11-11 18:11:46 -08:00
nvdimm
nvme Remove duplicate "and" in 'Linux NVMe docs. 2024-09-10 15:44:20 -06:00
PCI Documentation: PCI: fix typo in pci.rst 2024-09-10 15:30:42 -06:00
pcmcia
peci
power Documentation: PM: Discourage use of deprecated macros 2024-09-04 14:37:57 +02:00
process Another moderately busy cycle in docsland: 2024-11-20 09:16:45 -08:00
RCU doc: rcu: update printed dynticks counter bits 2024-11-12 21:40:24 +01:00
rust Another moderately busy cycle in docsland: 2024-11-20 09:16:45 -08:00
scheduler sched_ext: Rename scx_bpf_consume() to scx_bpf_dsq_move_to_local() 2024-11-11 07:06:16 -10:00
scsi
security landlock: Fix grammar issues in documentation 2024-10-21 20:36:26 +02:00
sound
sphinx docs: kerneldoc-preamble.sty: Suppress extra spaces in CJK literal blocks 2024-09-05 14:16:41 -06:00
sphinx-static
spi
staging Documentation: Fix incorrect paths/magic in magic numbers rst 2024-11-04 12:34:59 -07:00
target
tee
timers timers/Documentation: Cleanup delay/sleep documentation 2024-10-16 00:36:48 +02:00
tools
trace docs: fix WARNING document not included in any toctree 2024-10-07 11:50:54 -06:00
translations docs/zh_CN: fix one sentence in llvm.rst 2024-11-12 13:12:22 -07:00
usb
userspace-api Landlock fix for v6.12-rc7 2024-11-12 13:01:09 -08:00
virt s390 updates for 6.13 merge window 2024-11-18 17:45:41 -08:00
w1
watchdog [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
wmi platform/x86: dell-ddv: Fix typo in documentation 2024-10-06 12:47:40 +02:00
.gitignore
atomic_bitops.txt
atomic_t.txt
Changes
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conf.py
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SubmittingPatches
subsystem-apis.rst