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Filename Latest commit message Latest commit date
Geert Uytterhoeven fa6f0fbb1c sh: clk: Fix clk_enable() to return 0 on NULL clk
commit ff30bd6a6618e979b16977617371c0f28a95036e upstream.

On SH, devm_clk_get_optional_enabled() fails with -EINVAL if the clock
is not found.  This happens because __devm_clk_get() assumes it can pass
a NULL clock pointer (as returned by clk_get_optional()) to the init()
function (clk_prepare_enable() in this case), while the SH
implementation of clk_enable() considers that an error.

Fix this by making the SH clk_enable() implementation return zero
instead, like the Common Clock Framework does.

Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/b53e6b557b4240579933b3359dda335ff94ed5af.1675354849.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-01-09 13:23:29 +01:00
arch perf/x86/intel/pt: Fix buffer full but size is 0 case 2024-12-14 19:44:55 +01:00
block blk-iocost: Avoid using clamp() on inuse in __propagate_weights() 2024-12-19 18:05:04 +01:00
certs
crypto
Documentation PCI: Add 'reset_subordinate' to reset hierarchy below bridge 2024-12-14 19:44:54 +01:00
drivers sh: clk: Fix clk_enable() to return 0 on NULL clk 2025-01-09 13:23:29 +01:00
fs efivarfs: Fix error on non-existent file 2025-01-09 13:23:28 +01:00
include net: lapb: increase LAPB_HEADER_LEN 2024-12-19 18:05:03 +01:00
init
ipc
kernel tracing/kprobes: Skip symbol counting logic for module symbols in create_local_trace_kprobe() 2024-12-19 18:05:04 +01:00
lib lib: string_helpers: silence snprintf() output truncation warning 2024-12-14 19:44:39 +01:00
LICENSES
mm
net netfilter: ipset: Fix for recursive locking warning 2025-01-09 13:23:28 +01:00
samples samples/bpf: Fix a resource leak 2024-12-14 19:44:50 +01:00
scripts modpost: Add .irqentry.text to OTHER_SECTIONS 2024-12-14 19:44:56 +01:00
security apparmor: fix 'Do simple duplicate message elimination' 2024-12-14 19:44:34 +01:00
sound ALSA: usb: Fix UBSAN warning in parse_audio_unit() 2025-01-09 13:23:26 +01:00
tools
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
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COPYING
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Makefile Linux 5.4.288 2024-12-19 18:05:05 +01:00
README

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

There are several guides for kernel developers and users. These guides can
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In order to build the documentation, use ``make htmldocs`` or
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    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.