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
