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Filename Latest commit message Latest commit date
Geert Uytterhoeven 3c5a28658d debugfs: regset32: Add Runtime PM support
commit 30332eeefec8f83afcea00c360f99ef64b87f220 upstream.

Hardware registers of devices under control of power management cannot
be accessed at all times.  If such a device is suspended, register
accesses may lead to undefined behavior, like reading bogus values, or
causing exceptions or system lock-ups.

Extend struct debugfs_regset32 with an optional field to let device
drivers specify the device the registers in the set belong to.  This
allows debugfs_show_regset32() to make sure the device is resumed while
its registers are being read.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-17 11:35:32 +02:00
arch x86/purgatory: Don't generate debug info for purgatory.ro 2023-04-26 11:24:04 +02:00
block
certs
crypto asymmetric_keys: log on fatal failures in PE/pkcs7 2023-04-20 12:07:36 +02:00
Documentation ALSA: hda/sigmatel: add pin overrides for Intel DP45SG motherboard 2023-04-20 12:07:35 +02:00
drivers staging: iio: resolver: ads1210: fix config mode 2023-05-17 11:35:32 +02:00
fs debugfs: regset32: Add Runtime PM support 2023-05-17 11:35:32 +02:00
include debugfs: regset32: Add Runtime PM support 2023-05-17 11:35:32 +02:00
init
ipc
kernel bpf: Fix incorrect verifier pruning due to missing register precision taints 2023-04-26 11:24:02 +02:00
lib
LICENSES
mm mm/swap: fix swap_info_struct race between swapoff and get_swap_pages() 2023-04-20 12:07:35 +02:00
net bluetooth: Perform careful capability checks in hci_sock_ioctl() 2023-05-17 11:35:31 +02:00
samples
scripts ASN.1: Fix check for strdup() success 2023-04-26 11:24:06 +02:00
security keys: Do not cache key in task struct if key is requested from kernel thread 2023-04-05 11:16:37 +02:00
sound ASoC: Intel: bytcr_rt5640: Add quirk for the Acer Iconia One 7 B1-750 2023-05-17 11:35:31 +02:00
tools perf sched: Cast PTHREAD_STACK_MIN to int as it may turn into sysconf(__SC_THREAD_STACK_MIN_VALUE) 2023-05-17 11:35:32 +02:00
usr
virt KVM: Destroy target device if coalesced MMIO unregistration fails 2023-03-11 16:44:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
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COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.242 2023-04-26 11:24:06 +02:00
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.