linux-kernel - [PATCH 0/2] Define positive return value to RPM

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Date:   Wed, 28 Sep 2016 11:26:30 +0800
From:   Chen Yu <yu.c.chen@...el.com>
To:     linux-pm@...r.kernel.org
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
        Chen Yu <yu.c.chen@...el.com>
Subject: [PATCH 0/2] Define positive return value to RPM_SUSPEND for runtime-suspended devices

This patch set is to define the positive value returned
by device .prepare() callbacks, which is used to indicate
the devices are OK to remain in runtime-suspended during
system sleep. A precise return value would make the code
more readable.

Based on this definition, optimized the suspend process
in intel-lpss driver.

Chen Yu (2):
  PM / sleep: Return RPM_SUSPENDED to keep devices in runtime-suspended
  mfd: intel-lpss: Avoid resuming runtime-suspended lpss unnecessarily

 Documentation/power/devices.txt    | 8 ++++----
 Documentation/power/runtime_pm.txt | 2 +-
 drivers/base/power/main.c          | 8 ++++++--
 drivers/mfd/intel-lpss.c           | 9 +++++++++
 4 files changed, 20 insertions(+), 7 deletions(-)

-- 
2.7.4