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SubjectRe: [PATCH v2 0/6] drivers/qcom: add additional functionality to RPMH
Stephen, Doug,

Would you have some time to take a look at this series?


On Fri, Jul 27 2018 at 04:04 -0600, Raju P L S S S N wrote:
>From: "Raju P.L.S.S.S.N" <>
>Changes in v1:
>- Remove unnecessary EXPORT_SYMBOL in rpmh-rsc
>This set of patches add additional functionality to RPMH drivers[1].
>PM drivers can choose to disallow idle modes when RSC controller is busy
>sending or processing requests. The patches add necessary functions to
>query the controller status.
>The controllers may be in 'solver' state, where they could be in autonomous
>mode executing low power modes for their hardware and as such are not
>available for sending active votes. Functionality to get notified about
>such state and disallow requests for state change in that case is added
>in these patches.
>The Power Domain Controller can be programmed to wakeup the RSC and
>setup the resources back in the active state, before the processor is
>woken up by a timer interrupt. The wakeup value from the timer hardware
>can be copied to the PDC which has its own timer and is in an always-on
>power domain. Programming the wakeup value is done through a separate
>register on the RSC. Functions necessary to program wakeup is added in
>the patches.
>Please consider reviewing this patchset.
>Lina Iyer (5):
> drivers: qcom: rpmh-rsc: return if the controller is idle
> drivers: qcom: rpmh: export controller idle status
> drivers: qcom: rpmh: disallow active requests in solver mode
> drivers: qcom: rpmh-rsc: write PDC data
> drivers: qcom: rpmh: write PDC data
>Raju P.L.S.S.S.N (1):
> drivers: qcom: rpmh-rsc: clear active mode configuration for waketcs
> drivers/soc/qcom/rpmh-internal.h | 6 ++
> drivers/soc/qcom/rpmh-rsc.c | 132 ++++++++++++++++++++++++++++++---------
> drivers/soc/qcom/rpmh.c | 100 +++++++++++++++++++++++++++++
> include/soc/qcom/rpmh.h | 16 +++++
> 4 files changed, 225 insertions(+), 29 deletions(-)
>The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project

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