Messages in this thread | | | From | Evan Green <> | Date | Sat, 17 Mar 2018 00:35:55 +0000 | Subject | Re: [PATCH v4 05/10] drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS |
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On Fri, Mar 9, 2018 at 3:27 PM Lina Iyer <ilina@codeaurora.org> wrote:
> Sleep and wake requests are sent when the application processor > subsystem of the SoC is entering deep sleep states like in suspend. > These requests help lower the system power requirements when the > resources are not in use.
> Sleep and wake requests are written to the TCS slots but are not > triggered at the time of writing. The TCS are triggered by the firmware > after the last of the CPUs has executed its WFI. Since these requests > may come in different batches of requests, it is the job of this > controller driver to find and arrange the requests into the available > TCSes.
> Signed-off-by: Lina Iyer <ilina@codeaurora.org> > --- > drivers/soc/qcom/rpmh-internal.h | 9 ++- > drivers/soc/qcom/rpmh-rsc.c | 120 +++++++++++++++++++++++++++++++++++++++ > 2 files changed, 128 insertions(+), 1 deletion(-)
Reviewed-by: Evan Green <evgreen@chromium.org>
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