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Filename Latest commit message Latest commit date
Artur Weber f40d5f0169 gpio: bcm-kona: Make sure GPIO bits are unlocked when requesting IRQ 
[ Upstream commit 57f5db77a915cc29461a679a6bcae7097967be1a ]

The settings for all GPIOs are locked by default in bcm_kona_gpio_reset.
The settings for a GPIO are unlocked when requesting it as a GPIO, but
not when requesting it as an interrupt, causing the IRQ settings to not
get applied.

Fix this by making sure to unlock the right bits when an IRQ is requested.
To avoid a situation where an IRQ being released causes a lock despite
the same GPIO being used by a GPIO request or vice versa, add an unlock
counter and only lock if it reaches 0.

Fixes: 757651e3d6 ("gpio: bcm281xx: Add GPIO driver")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250206-kona-gpio-fixes-v2-2-409135eab780@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-03-13 12:43:12 +01:00
arch arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array 2025-03-13 12:43:12 +01:00
block partitions: ldm: remove the initial kernel-doc notation 2025-03-13 12:42:52 +01:00
certs
crypto crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY 2024-12-14 19:44:23 +01:00
Documentation dt-bindings: mmc: controller: clarify the address-cells description 2025-03-13 12:42:53 +01:00
drivers gpio: bcm-kona: Make sure GPIO bits are unlocked when requesting IRQ 2025-03-13 12:43:12 +01:00
fs ocfs2: check dir i_size in ocfs2_find_entry 2025-03-13 12:43:12 +01:00
include vrf: use RCU protection in l3mdev_l3_out() 2025-03-13 12:43:12 +01:00
init initramfs: avoid filename buffer overrun 2024-12-14 19:44:21 +01:00
ipc
kernel tasklet: Introduce new initialization API 2025-03-13 12:43:04 +01:00
lib lib: string_helpers: silence snprintf() output truncation warning 2024-12-14 19:44:39 +01:00
LICENSES
mm mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim() 2025-01-09 13:23:37 +01:00
net ndisc: ndisc_send_redirect() must use dev_get_by_index_rcu() 2025-03-13 12:43:12 +01:00
samples samples/bpf: Fix a resource leak 2024-12-14 19:44:50 +01:00
scripts kbuild: Move -Wenum-enum-conversion to W=2 2025-03-13 12:43:09 +01:00
security tomoyo: don't emit warning in tomoyo_write_control() 2025-03-13 12:43:03 +01:00
sound ASoC: sun4i-spdif: Add clock multiplier settings 2025-03-13 12:42:55 +01:00
tools perf bench: Fix undefined behavior in cmpworker() 2025-03-13 12:43:08 +01:00
usr
virt KVM: arm64: Ignore PMCNTENSET_EL0 while checking for overflow status 2024-12-19 18:05:04 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Remove *.orig pattern from .gitignore 2024-11-08 16:20:33 +01:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile kbuild: userprogs: use correct lld when linking through clang 2025-03-13 12:43:04 +01:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.