tree 24b315e925e86066d7c95ad9aaedef334e55f790
parent 9a3afcfbc0cc9af5e18ff53bb0d41a30e0d3d896
author Lina Iyer <ilina@codeaurora.org> 1529501224 +0530
committer Andy Gross <andy.gross@linaro.org> 1532197992 -0500

drivers: qcom: rpmh: cache sleep/wake state requests

Active state requests are sent immediately to the RSC controller, while
sleep and wake state requests are cached in this driver to avoid taxing
the RSC controller repeatedly. The cached values will be sent to the
controller when the rpmh_flush() is called.

Generally, flushing is a system PM activity and may be called from the
system PM drivers when the system is entering suspend or deeper sleep
modes during cpuidle.

Also allow invalidating the cached requests, so they may be re-populated
again.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
[rplsssn: remove unneeded semicolon, address line over 80chars error]
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>