On Fri, Mar 9, 2018 at 3:27 PM Lina Iyer <[email protected]> wrote:
> Active state requests are sent immediately to the mailbox controller, > while sleep and wake state requests are cached in this driver to avoid > taxing the mailbox 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 <[email protected]> > --- > Changes in v4: > - remove locking for ->dirty in invalidate > - fix send_single > Changes in v3: > - Remove locking for flush function > - Improve comments > --- > drivers/soc/qcom/rpmh.c | 203 +++++++++++++++++++++++++++++++++++++++++++++++- > include/soc/qcom/rpmh.h | 10 +++ > 2 files changed, 212 insertions(+), 1 deletion(-) Reviewed-by: Evan Green <[email protected]>
