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5645f805927c9bd4443e6143e487ef3ffea34aaf
linux/Documentation/driver-api
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Linus Walleij 5645f80592 gpio: Document line value semantics 
It is not clearly documented that the GPIO driver API expect the
driver to get/set the physical level of the GPIO line and the
consumer API will get/set the logic level. Document this in
relevant places.

Reported-by: David Jander <david@protonic.nl>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260306-gpio-doc-levels-v1-1-19928739e400@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
2026-03-09 10:16:00 +01:00
..
80211
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
acpi
ACPI: Documentation: driver-api: Disapprove of using ACPI drivers
2026-01-15 14:27:38 +01:00
backlight
…
coco
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
crypto
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
cxl
Merge tag 'cxl-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2026-02-12 16:33:05 -08:00
dmaengine
Merge tag 'dmaengine-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2026-02-17 11:47:17 -08:00
driver-model
Merge tag 'pinctrl-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2026-02-16 09:35:24 -08:00
early-userspace
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
firmware
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
fpga
fpga: region: add owner module and take its refcount
2024-04-23 15:37:20 +08:00
gpio
gpio: Document line value semantics
2026-03-09 10:16:00 +01:00
hte
hte: Re-phrase tegra API document
2023-04-26 15:43:19 -07:00
i3c
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
iio
docs: iio: Allow creating cross-references ABI
2025-02-18 13:42:46 -07:00
md
Documentation: driver-api: correct spelling
2023-02-02 11:05:16 -07:00
media
media: vb2: remove vb2_ops_wait_prepare/finish helpers
2025-12-18 11:14:57 +01:00
mei
docs: driver-api: properly format ToC headings
2023-11-17 13:05:26 -07:00
memory-devices
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
mmc
Documentation: mmc: Add mmc-test doc
2024-09-05 12:13:39 +02:00
mtd
Docs: typos/spelling
2024-05-02 10:02:29 -06:00
nfc
Documentation: driver-api: correct spelling
2023-02-02 11:05:16 -07:00
nvdimm
Documentation: btt: Unwrap bit 31-30 nested table
2025-11-07 09:06:51 -06:00
pci
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
phy
docs: fix 're-use' -> 'reuse' in documentation
2026-02-02 09:54:15 -07:00
pldmfw
Documentation: pldmfw: Demote library overview section
2025-11-05 11:29:30 -07:00
pm
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
rapidio
…
serial
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
soundwire
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
surface_aggregator
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
thermal
thermal: int340x: processor_thermal: Enable slow workload type hints
2026-01-07 21:42:10 +01:00
tty
docs: fix 're-use' -> 'reuse' in documentation
2026-02-02 09:54:15 -07:00
usb
docs: fix 're-use' -> 'reuse' in documentation
2026-02-02 09:54:15 -07:00
virtio
virtio: store owner from modules with register_virtio_driver()
2024-04-08 04:11:04 -04:00
xilinx
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
aperture.rst
drm: Implement DRM aperture helpers under video/
2022-06-27 11:07:55 +02:00
auxiliary_bus.rst
drivers/base: Remove unused auxiliary_find_device
2024-10-14 08:21:09 +02:00
basics.rst
docs: Update documentation to avoid mentioning of kernel.h
2025-12-22 14:59:18 -07:00
clk.rst
docs: clk: add documentation to log which clocks have been disabled
2023-04-20 17:53:38 -06:00
component.rst
…
connector.rst
…
console.rst
…
devfreq.rst
…
device_link.rst
…
device-io.rst
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
dma-buf.rst
dma-buf: Remove DMA-BUF sysfs stats
2026-01-19 19:10:01 +05:30
dpll.rst
dpll: add phase-adjust-gran pin attribute
2025-10-31 17:59:17 -07:00
edac.rst
EDAC/amd64: Document heterogeneous system enumeration
2023-06-05 12:27:15 +02:00
eisa.rst
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
extcon.rst
Documentation: extcon: add documentation for Extcon subsystem
2024-12-08 21:59:40 +09:00
firewire.rst
firewire: core: expose kernel API to schedule work item to process isochronous context
2024-09-08 13:05:48 +09:00
frame-buffer.rst
…
generic_pt.rst
iommupt: Documentation fixes
2025-11-07 11:12:03 +01:00
generic-counter.rst
docs: arm: generic-counter: Allow creating cross-references for ABI
2025-02-18 13:42:46 -07:00
hsi.rst
Documentation: driver-api: correct spelling
2023-02-02 11:05:16 -07:00
hw-recoverable-errors.rst
vmcoreinfo: track and log recoverable hardware errors
2025-11-27 14:24:44 -08:00
i2c.rst
…
index.rst
Documentation: use a source-read extension for the index link boilerplate
2026-01-23 11:59:34 -07:00
infiniband.rst
docs: driver-api/infiniband.rst: fix Kerneldoc markup
2025-03-04 09:47:38 -07:00
infrastructure.rst
driver core: add a faux bus for use when a simple device/bus is needed
2025-02-13 16:58:51 +01:00
input.rst
Add libps2 to the input section of driver-api
2024-07-03 16:20:49 -06:00
interconnect.rst
interconnect: Add debugfs test client
2023-08-22 21:04:50 +03:00
io_ordering.rst
…
io-mapping.rst
Documentation: driver-api: correct spelling
2023-02-02 11:05:16 -07:00
ioctl.rst
…
ipmb.rst
…
ipmi.rst
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
isa.rst
Remove duplicate words inside documentation
2022-09-27 13:21:43 -06:00
libata.rst
Documentation: driver-api: Update libata error handler information
2025-07-16 09:31:43 +02:00
mailbox.rst
Documentation: mailbox: mbox_chan_ops.flush() is optional
2025-12-22 15:30:31 -07:00
men-chameleon-bus.rst
…
message-based.rst
…
misc_devices.rst
…
miscellaneous.rst
docs/driver-api/miscellaneous: Remove kernel-doc of serial_core.c
2022-11-09 14:56:05 +01:00
mtdnand.rst
treewide: Update email address
2026-01-11 06:09:11 -10:00
ntb.rst
Documentation: NTB: Fix typo
2025-05-19 09:04:21 -06:00
nvmem.rst
nvmem: Remove unused nvmem cell table support
2025-05-21 14:28:27 +02:00
parport-lowlevel.rst
Documentation: parport-lowlevel: Separate function listing code blocks
2025-11-10 12:47:36 -07:00
pin-control.rst
Merge tag 'pci-v6.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-10-06 10:41:03 -07:00
pps.rst
Documentation: driver-api: pps: Add Intel Timed I/O PPS generator
2025-02-21 10:46:49 +01:00
ptp.rst
docs: ptp.rst: Add information about NVIDIA Mellanox devices
2023-06-20 09:02:32 +01:00
pwm.rst
docs: pwm: Adapt Locking paragraph to reality
2025-07-07 08:39:36 +02:00
pwrseq.rst
Documentation: pwrseq: Fix trivial misspellings
2024-11-22 10:36:53 -07:00
regulator.rst
…
reset.rst
Documentation: reset: Remove reset_controller_add_lookup()
2025-11-20 10:02:37 +01:00
rfkill.rst
…
s390-drivers.rst
docs: move s390 under arch
2023-07-24 12:12:24 +02:00
scsi.rst
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
slimbus.rst
…
sm501.rst
…
spi.rst
docs: driver-api: fix spelling of "buses".
2025-09-18 10:40:46 -06:00
switchtec.rst
…
sync_file.rst
…
target.rst
…
tee.rst
tee: Adapt documentation to cover recent additions
2025-12-17 18:28:28 +01:00
uio-howto.rst
…
vfio-mediated-device.rst
vfio-mdev: remove an non-existing driver from vfio-mediated-device
2023-01-23 11:26:29 -07:00
vfio-pci-device-specific-driver-acceptance.rst
vfio-pci: Provide reviewers and acceptance criteria for variant drivers
2022-03-17 09:57:11 -06:00
vfio.rst
vfio: remove an extra semicolon
2024-05-10 11:15:21 -06:00
vme.rst
vme: move back to staging
2022-06-10 15:38:14 +02:00
w1.rst
…
wbrf.rst
Docs: typos/spelling
2024-05-02 10:02:29 -06:00
wmi.rst
platform/wmi: Add helper functions for WMI string conversions
2026-01-20 15:47:51 +02:00
xillybus.rst
…
zorro.rst
…