Baochen Qiang 32d93b51bc wifi: ath11k: choose default PM policy for hibernation
Now WoWLAN mode is chosen for those machines listed in the quirk table.
This works for suspend (S3) but breaks for hibernation (S4), because
WoWLAN mode requires WLAN power to be sustained, which is not the case
during hibernation. For hibernation, the default mode should be used.

Register a PM notifier with which kernel can notify us of the actual PM
operation: if system is going to suspend, the original PM policy is
honored; while if it is hibernation, overwrite it with default policy.

To summarize: for suspend (S3), WoWLAN mode is chosen for machines listed
in the quirk table, non-WoWLAN mode for others; for hibernation (S4),
non-WoWLAN mode is chosen for all.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30

Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Link: https://patch.msgid.link/20250328-ath11k-bring-hibernation-back-v3-5-23405ae23431@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
2025-03-31 14:43:12 -07:00
2024-09-01 20:43:24 -07:00
2025-02-04 11:27:45 -05:00
2025-02-17 22:40:03 -08:00
2025-02-23 12:32:57 -08:00

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 reStructuredText 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.
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