Messages in this thread | | | From | Evan Green <> | Date | Sat, 17 Mar 2018 00:36:52 +0000 | Subject | Re: [PATCH v4 09/10] drivers: qcom: rpmh: add support for batch RPMH request |
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On Fri, Mar 9, 2018 at 3:26 PM Lina Iyer <ilina@codeaurora.org> wrote:
> Platform drivers need make a lot of resource state requests at the same > time, say, at the start or end of an usecase. It can be quite > inefficient to send each request separately. Instead they can give the > RPMH library a batch of requests to be sent and wait on the whole > transaction to be complete.
> rpmh_write_batch() is a blocking call that can be used to send multiple > RPMH command sets. Each RPMH command set is set asynchronously and the > API blocks until all the command sets are complete and receive their > tx_done callbacks.
> Signed-off-by: Lina Iyer <ilina@codeaurora.org> > ---
> Changes in v4: > - reorganize rpmh_write_batch() > - introduce wait_count here, instead of patch#4 > --- > drivers/soc/qcom/rpmh.c | 156 +++++++++++++++++++++++++++++++++++++++++++++++- > include/soc/qcom/rpmh.h | 8 +++ > 2 files changed, 162 insertions(+), 2 deletions(-)
Reviewed-by: Evan Green <evgreen@chromium.org>
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