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Robert Marko 459411b9f0 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>		History 2022-08-25 11:45:42 +02:00
arch	x86/kvm: Fix "missing ENDBR" BUG for fastop functions	2022-08-25 11:45:39 +02:00
block	blk-mq: run queue no matter whether the request is the last request	2022-08-25 11:45:36 +02:00
certs	certs: make system keyring depend on x509 parser	2022-07-24 12:53:55 -07:00
crypto	KEYS: asymmetric: enforce SM2 signature use pkey algo	2022-08-17 15:16:17 +02:00
Documentation	dt-bindings: display: sun4i: Add D1 TCONs to conditionals	2022-08-25 11:45:36 +02:00
drivers	clk: qcom: ipq8074: dont disable gcc_sleep_clk_src	2022-08-25 11:45:42 +02:00
fs	fs/ntfs3: uninitialized variable in ntfs_set_acl_ex()	2022-08-25 11:45:30 +02:00
include	usb: typec: mux: Add CONFIG guards for functions	2022-08-25 11:45:41 +02:00
init	stack: Declare {randomize_,}kstack_offset to fix Sparse warnings	2022-08-17 15:14:14 +02:00
io_uring	io_uring: mem-account pbuf buckets	2022-08-17 15:16:21 +02:00
ipc	ipc: Free mq_sysctls if ipc namespace creation failed	2022-06-22 17:47:41 -05:00
kernel	bpf: Acquire map uref in .init_seq_private for hash map iterator	2022-08-25 11:45:14 +02:00
lib	crypto: lib/blake2s - reduce stack frame usage in self test	2022-08-17 15:16:19 +02:00
LICENSES	LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers	2021-12-16 14:33:10 +01:00
mm	Revert "mm: kfence: apply kmemleak_ignore_phys on early allocated pool"	2022-08-21 15:20:08 +02:00
net	can: j1939: j1939_sk_queue_activate_next_locked(): replace WARN_ON_ONCE with netdev_warn_once()	2022-08-25 11:45:37 +02:00
samples	sample: bpf: xdp_router_ipv4: Allow the kernel to send arp requests	2022-08-17 15:14:25 +02:00
scripts	gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file	2022-08-25 11:45:37 +02:00
security	apparmor: Fix memleak in aa_simple_write_to_buffer()	2022-08-25 11:45:11 +02:00
sound	ASoC: codec: tlv320aic32x4: fix mono playback via I2S	2022-08-25 11:45:29 +02:00
tools	x86/ibt, objtool: Add IBT_NOSEAL()	2022-08-25 11:45:39 +02:00
usr	Not a lot of material this cycle. Many singleton patches against various	2022-05-27 11:22:03 -07:00
virt	KVM: Unconditionally get a ref to /dev/kvm module when creating a VM	2022-08-25 11:45:05 +02:00
.clang-format	clang-format: Fix space after for_each macros	2022-05-20 19:27:16 +02:00
.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	kbuild: split the second line of .mod into .usyms	2022-05-08 03:16:59 +09:00
.mailmap	ARM: SoC fixes for 5.19, part 4	2022-07-27 09:43:07 -07:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan	2022-07-07 15:17:00 +02:00
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	io_uring: move to separate directory	2022-08-17 15:14:20 +02:00
Makefile	kbuild: fix the modules order between drivers and libs	2022-08-25 11:45:37 +02:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -06:00

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.