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Li Jun aded7e821a xhci: Give USB2 ports time to enter U3 in bus suspend 
commit c1373f1047 upstream.

If a USB2 device wakeup is not enabled/supported the link state may
still be in U0 in xhci_bus_suspend(), where it's then manually put
to suspended U3 state.

Just as with selective suspend the device needs time to enter U3
suspend before continuing with further suspend operations
(e.g. system suspend), otherwise we may enter system suspend with link
state in U0.

[commit message rewording -Mathias]

Cc: <stable@vger.kernel.org>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20201208092912.1773650-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-29 13:46:46 +01:00
arch x86/mm/mem_encrypt: Fix definition of PMD_FLAGS_DEC_WP 2020-12-29 13:46:44 +01:00
block blk-cgroup: Pre-allocate tree node on blkg_conf_prep 2020-11-10 10:29:05 +01:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: algif_skcipher - EBUSY on aio should be an error 2020-10-29 09:07:01 +01:00
Documentation dt-bindings: net: correct interrupt flags in examples 2020-12-08 10:17:34 +01:00
drivers xhci: Give USB2 ports time to enter U3 in bus suspend 2020-12-29 13:46:46 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs gfs2: check for empty rgrp tree in gfs2_ri_update 2020-12-11 13:39:06 +01:00
include kbuild: avoid static_assert for genksyms 2020-12-29 13:46:44 +01:00
init printk: reduce LOG_BUF_SHIFT range for H8300 2020-11-05 11:06:55 +01:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel tracing: Fix userstacktrace option for instances 2020-12-11 13:39:06 +01:00
lib random32: make prandom_u32() output unpredictable 2020-11-18 18:28:00 +01:00
mm mm/swapfile: do not sleep with a spin lock held 2020-12-11 13:39:05 +01:00
net mac80211: mesh: fix mesh_pathtbl_init() error path 2020-12-29 13:46:45 +01:00
samples misc: vop: add round_up(x,4) for vring_size to avoid kernel panic 2020-10-29 09:07:17 +01:00
scripts scripts/setlocalversion: make git describe output more reliable 2020-11-05 11:06:51 +01:00
security selinux: Fix error return code in sel_ib_pkey_sid_slow() 2020-11-18 18:27:58 +01:00
sound ALSA: usb-audio: Fix control 'access overflow' errors from chmap 2020-12-29 13:46:46 +01:00
tools x86/uprobes: Do not use prefixes.nbytes when looping over prefixes.bytes 2020-12-11 13:39:07 +01:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: fix overflow of zero page refcount with ksm running 2020-10-01 13:12:33 +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: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.212 2020-12-11 13:39:07 +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.