Re: [PATCH v13 2/5] soc: qcom: rpmh: Update dirty flag only when data changes

From: Doug Anderson
Date: Mon Mar 09 2020 - 19:42:31 EST


Hi,

On Mon, Mar 9, 2020 at 2:31 AM Maulik Shah <mkshah@xxxxxxxxxxxxxx> wrote:
>
> Currently rpmh ctrlr dirty flag is set for all cases regardless of data
> is really changed or not. Add changes to update dirty flag when data is
> changed to newer values. Update dirty flag everytime when data in batch
> cache is updated since rpmh_flush() may get invoked from any CPU instead
> of only last CPU going to low power mode.
>
> Also move dirty flag updates to happen from within cache_lock and remove
> unnecessary INIT_LIST_HEAD() call and a default case from switch.
>
> Fixes: 600513dfeef3 ("drivers: qcom: rpmh: cache sleep/wake state requests")
> Signed-off-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
> Reviewed-by: Srinivas Rao L <lsrao@xxxxxxxxxxxxxx>
> Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx>
> ---
> drivers/soc/qcom/rpmh.c | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>