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Robert Marko 38cee0d2b6 clk: qcom: ipq8074: dont disable gcc_sleep_clk_src [ Upstream commit `1bf7305e79` ] Once the usb sleep clocks are disabled, clock framework is trying to disable the sleep clock source also. However, it seems that it cannot be disabled and trying to do so produces: [ 245.436390] ------------[ cut here ]------------ [ 245.441233] gcc_sleep_clk_src status stuck at 'on' [ 245.441254] WARNING: CPU: 2 PID: 223 at clk_branch_wait+0x130/0x140 [ 245.450435] Modules linked in: xhci_plat_hcd xhci_hcd dwc3 dwc3_qcom leds_gpio [ 245.456601] CPU: 2 PID: 223 Comm: sh Not tainted 5.18.0-rc4 #215 [ 245.463889] Hardware name: Xiaomi AX9000 (DT) [ 245.470050] pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 245.474307] pc : clk_branch_wait+0x130/0x140 [ 245.481073] lr : clk_branch_wait+0x130/0x140 [ 245.485588] sp : ffffffc009f2bad0 [ 245.489838] x29: ffffffc009f2bad0 x28: ffffff8003e6c800 x27: 0000000000000000 [ 245.493057] x26: 0000000000000000 x25: 0000000000000000 x24: ffffff800226ef20 [ 245.500175] x23: ffffffc0089ff550 x22: 0000000000000000 x21: ffffffc008476ad0 [ 245.507294] x20: 0000000000000000 x19: ffffffc00965ac70 x18: fffffffffffc51a7 [ 245.514413] x17: 68702e3030303837 x16: 3a6d726f6674616c x15: ffffffc089f2b777 [ 245.521531] x14: ffffffc0095c9d18 x13: 0000000000000129 x12: 0000000000000129 [ 245.528649] x11: 00000000ffffffea x10: ffffffc009621d18 x9 : 0000000000000001 [ 245.535767] x8 : 0000000000000001 x7 : 0000000000017fe8 x6 : 0000000000000001 [ 245.542885] x5 : ffffff803fdca6d8 x4 : 0000000000000000 x3 : 0000000000000027 [ 245.550002] x2 : 0000000000000027 x1 : 0000000000000023 x0 : 0000000000000026 [ 245.557122] Call trace: [ 245.564229] clk_branch_wait+0x130/0x140 [ 245.566490] clk_branch2_disable+0x2c/0x40 [ 245.570656] clk_core_disable+0x60/0xb0 [ 245.574561] clk_core_disable+0x68/0xb0 [ 245.578293] clk_disable+0x30/0x50 [ 245.582113] dwc3_qcom_remove+0x60/0xc0 [dwc3_qcom] [ 245.585588] platform_remove+0x28/0x60 [ 245.590361] device_remove+0x4c/0x80 [ 245.594179] device_release_driver_internal+0x1dc/0x230 [ 245.597914] device_driver_detach+0x18/0x30 [ 245.602861] unbind_store+0xec/0x110 [ 245.607027] drv_attr_store+0x24/0x40 [ 245.610847] sysfs_kf_write+0x44/0x60 [ 245.614405] kernfs_fop_write_iter+0x128/0x1c0 [ 245.618052] new_sync_write+0xc0/0x130 [ 245.622391] vfs_write+0x1d4/0x2a0 [ 245.626123] ksys_write+0x58/0xe0 [ 245.629508] __arm64_sys_write+0x1c/0x30 [ 245.632895] invoke_syscall.constprop.0+0x5c/0x110 [ 245.636890] do_el0_svc+0xa0/0x150 [ 245.641488] el0_svc+0x18/0x60 [ 245.644872] el0t_64_sync_handler+0xa4/0x130 [ 245.647914] el0t_64_sync+0x174/0x178 [ 245.652340] ---[ end trace 0000000000000000 ]--- So, add CLK_IS_CRITICAL flag to the clock so that the kernel won't try to disable the sleep clock. Signed-off-by: Robert Marko <robimarko@gmail.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220515210048.483898-10-robimarko@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-08-25 11:11:36 +02:00
arch	powerpc/pci: Fix get_phb_number() locking	2022-08-25 11:11:34 +02:00
block	block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern	2022-06-06 08:20:57 +02:00
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	ipv4: Fix data-races around sysctl_ip_dynaddr.	2022-07-21 20:42:45 +02:00
drivers	clk: qcom: ipq8074: dont disable gcc_sleep_clk_src	2022-08-25 11:11:36 +02:00
firmware	Fix built-in early-load Intel microcode alignment	2020-01-23 08:20:30 +01:00
fs	btrfs: raid56: don't trust any cached sector in __raid56_parity_recover()	2022-08-25 11:11:35 +02:00
include	KVM: Add infrastructure and macro to mark VM as bugged	2022-08-25 11:11:29 +02:00
init	random: handle latent entropy and command line from random_init()	2022-06-25 11:46:40 +02:00
ipc	ipc: WARN if trying to remove ipc object which is absent	2021-12-08 08:46:53 +01:00
kernel	kprobes: Forbid probing on trampoline and BPF code areas	2022-08-25 11:11:26 +02:00
lib	ida: don't use BUG_ON() for debugging	2022-07-12 16:27:29 +02:00
mm	mm/mmap.c: fix missing call to vm_unacct_memory in mmap_region	2022-08-25 11:11:23 +02:00
net	netfilter: nf_tables: really skip inactive sets when allocating name	2022-08-25 11:11:34 +02:00
samples	samples/kretprobes: Fix return value if register_kretprobe() failed	2021-11-26 11:40:31 +01:00
scripts	modpost: fix section mismatch check for exported init/exit sections	2022-07-02 16:18:10 +02:00
security	apparmor: fix reference count leak in aa_pivotroot()	2022-08-25 11:11:32 +02:00
sound	ALSA: info: Fix llseek return value when using callback	2022-08-25 11:11:31 +02:00
tools	tools build: Switch to new openssl API for test-libcrypto	2022-08-25 11:11:33 +02:00
usr	initramfs: restore default compression behavior	2020-04-13 10:34:19 +02:00
virt	KVM: Add infrastructure and macro to mark VM as bugged	2022-08-25 11:11:29 +02:00
.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	kbuild: clear LDFLAGS in the top Makefile	2022-08-25 11:11:35 +02:00
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.