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Ricardo Ribalda 1c1afcb883 regulator: da9211: Use irq handler when ready 
[ Upstream commit 02228f6aa6 ]

If the system does not come from reset (like when it is kexec()), the
regulator might have an IRQ waiting for us.

If we enable the IRQ handler before its structures are ready, we crash.

This patch fixes:

[    1.141839] Unable to handle kernel read from unreadable memory at virtual address 0000000000000078
[    1.316096] Call trace:
[    1.316101]  blocking_notifier_call_chain+0x20/0xa8
[    1.322757] cpu cpu0: dummy supplies not allowed for exclusive requests
[    1.327823]  regulator_notifier_call_chain+0x1c/0x2c
[    1.327825]  da9211_irq_handler+0x68/0xf8
[    1.327829]  irq_thread+0x11c/0x234
[    1.327833]  kthread+0x13c/0x154

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Adam Ward <DLG-Adam.Ward.opensource@dm.renesas.com>
Link: https://lore.kernel.org/r/20221124-da9211-v2-0-1779e3c5d491@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 09:26:43 +01:00
arch x86/boot: Avoid using Intel mnemonics in AT&T syntax asm 2023-01-18 09:26:43 +01:00
block blk-mq: fix possible memleak when register 'hctx' failed 2023-01-18 09:26:32 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-25 11:46:44 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-25 11:46:41 +02:00
Documentation docs: Fix the docs build with Sphinx 6.0 2023-01-18 09:26:42 +01:00
drivers regulator: da9211: Use irq handler when ready 2023-01-18 09:26:43 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling 2023-01-18 09:26:41 +01:00
include SUNRPC: ensure the matching upcall is in-flight upon downcall 2023-01-18 09:26:40 +01:00
init random: handle latent entropy and command line from random_init() 2022-06-25 11:46:40 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:16:33 +01:00
kernel tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line 2023-01-18 09:26:37 +01:00
lib test_firmware: fix memory leak in test_firmware_init() 2023-01-18 09:26:24 +01:00
mm mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths 2023-01-18 09:26:04 +01:00
net netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function. 2023-01-18 09:26:43 +01:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-26 11:40:31 +01:00
scripts kconfig: display recursive dependency resolution hint just once 2022-12-08 11:16:30 +01:00
security device_cgroup: Roll back to original exceptions after copy failure 2023-01-18 09:26:38 +01:00
sound ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF 2023-01-18 09:26:43 +01:00
tools perf auxtrace: Fix address filter duplicate symbol selection 2023-01-18 09:26:42 +01:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: arm64: vgic: Fix exit condition in scan_its_table() 2022-11-03 23:50:50 +09:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-25 11:46:29 +02:00
Makefile Linux 4.14.302 2022-12-14 11:26:16 +01:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.