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Rafael J. Wysocki a09c591306 ACPI / LPSS: Avoid PM quirks on suspend and resume from S3 
It is reported that commit a192aa923b (ACPI / LPSS: Consolidate
runtime PM and system sleep handling) introduced a system suspend
regression on some machines, but the only functional change made by
it was to cause the PM quirks in the LPSS to also be used during
system suspend and resume.  While that should always work for
suspend-to-idle, it turns out to be problematic for S3
(suspend-to-RAM).

To address that issue restore the previous S3 suspend and resume
behavior of the LPSS to avoid applying PM quirks then.

Fixes: a192aa923b (ACPI / LPSS: Consolidate runtime PM and system sleep handling)
Link: https://bugs.launchpad.net/bugs/1774950
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 4.15+ <stable@vger.kernel.org> # 4.15+
2018-06-14 09:57:56 +02:00
arch KVM: x86: VMX: fix build without hyper-v 2018-06-12 20:28:00 -07:00
block treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
certs certs/blacklist_nohashes.c: fix const confusion in certs blacklist 2018-02-21 15:35:43 -08:00
crypto treewide: Use array_size() in sock_kmalloc() 2018-06-12 16:19:22 -07:00
Documentation Additional ACPI updates for 4.18-rc1 2018-06-13 07:32:10 -07:00
drivers ACPI / LPSS: Avoid PM quirks on suspend and resume from S3 2018-06-14 09:57:56 +02:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" 2018-06-12 20:52:16 -07:00
include Additional ACPI updates for 4.18-rc1 2018-06-13 07:32:10 -07:00
init Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-10 10:17:09 -07:00
ipc treewide: kvmalloc() -> kvmalloc_array() 2018-06-12 16:19:22 -07:00
kernel treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
lib - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
LICENSES LICENSES: Add Linux-OpenIB license text 2018-04-27 16:41:53 -06:00
mm treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
net - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
samples VFIO updates for v4.18 2018-06-12 13:11:26 -07:00
scripts Staging/IIO patches for 4.18-rc1 2018-06-09 10:32:39 -07:00
security treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sound - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
tools Additional power management updates for 4.18-rc1 2018-06-13 07:24:18 -07:00
usr kbuild: rename built-in.o to built-in.a 2018-03-26 02:01:19 +09:00
virt - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
.clang-format clang-format: add configuration file 2018-04-11 10:28:35 -07:00
.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 updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap Merge branch 'asoc-4.17' into asoc-4.18 for compress dependencies 2018-04-26 12:24:28 +01:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS/CREDITS: Drop METAG ARCHITECTURE 2018-03-05 16:34:24 +00:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: add basic helper macros to scripts/Kconfig.include 2018-05-29 03:31:19 +09:00
MAINTAINERS pci-v4.18-changes-2 2018-06-12 15:05:02 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -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.
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.