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Hector Martin 83969805cc pinctrl: apple: Use a raw spinlock for the regmap
The irqchip ops are called with a raw spinlock held, so the subsequent
regmap usage cannot use a plain spinlock.

spi-hid-apple-of spi0.0: spihid_apple_of_probe:74

=============================
[ BUG: Invalid wait context ]
5.18.0-asahi-00176-g0fa3ab03bdea #1337 Not tainted
-----------------------------
kworker/u20:3/86 is trying to lock:
ffff8000166b5018 (pinctrl_apple_gpio:462:(&regmap_config)->lock){....}-{3:3}, at: regmap_lock_spinlock+0x18/0x30
other info that might help us debug this:
context-{5:5}
7 locks held by kworker/u20:3/86:
 #0: ffff800017725d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1c8/0x670
 #1: ffff80001e33bdd0 (deferred_probe_work){+.+.}-{0:0}, at: process_one_work+0x1c8/0x670
 #2: ffff800017d629a0 (&dev->mutex){....}-{4:4}, at: __device_attach+0x30/0x17c
 #3: ffff80002414e618 (&ctlr->add_lock){+.+.}-{4:4}, at: spi_add_device+0x40/0x80
 #4: ffff800024116990 (&dev->mutex){....}-{4:4}, at: __device_attach+0x30/0x17c
 #5: ffff800022d4be58 (request_class){+.+.}-{4:4}, at: __setup_irq+0xa8/0x720
 #6: ffff800022d4bcc8 (lock_class){....}-{2:2}, at: __setup_irq+0xcc/0x720

Fixes: a0f160ffcb ("pinctrl: add pinctrl/GPIO driver for Apple SoCs")
Signed-off-by: Hector Martin <marcan@marcan.st>
Link: https://lore.kernel.org/r/20220524142206.18833-1-marcan@marcan.st
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-05-25 09:37:44 +02:00
arch Linux 5.18-rc5 2022-05-01 23:25:10 +02:00
block bfq: Fix warning in bfqq_request_over_limit() 2022-04-29 06:45:37 -06:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation intel-pinctrl for v5.19-2 2022-05-22 22:54:23 +02:00
drivers pinctrl: apple: Use a raw spinlock for the regmap 2022-05-25 09:37:44 +02:00
fs Driver core fixes for 5.18-rc5 2022-04-30 10:24:21 -07:00
include dt-bindings: pinctrl: Add MediaTek MT6795 pinctrl bindings 2022-05-19 15:11:15 +02:00
init Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel Merge branch 'irq/gpio-immutable' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into devel 2022-05-05 16:50:14 +02:00
lib - A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is 2022-05-01 10:03:36 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm kasan: prevent cpu_quarantine corruption when CPU offline and cache shrink occur at same time 2022-04-27 13:28:48 -07:00
net A fix for a NULL dereference that turns out to be easily triggerable 2022-04-29 14:37:35 -07:00
samples dma-mapping updates for Linux 5.18 2022-03-29 08:50:14 -07:00
scripts objtool: Enable unreachable warnings for CLANG LTO 2022-04-19 21:58:48 +02:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound ALSA: hda/realtek: Add quirk for Clevo NP70PNP 2022-04-21 21:23:47 +02:00
tools - A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is 2022-05-01 10:03:36 -07:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt Merge branch 'kvm-fixes-for-5.18-rc5' into HEAD 2022-04-29 12:39:34 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Vasily Averin's email address 2022-04-08 14:20:36 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Linux 5.18-rc5 2022-05-01 23:25:10 +02:00
Makefile Linux 5.18-rc5 2022-05-01 13:57:58 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.