From: Maulik Shah <mkshah@codeaurora•org>
To: swboyd@chromium•org, agross@kernel•org, david.brown@linaro•org,
sudeep.holla@arm•com, Lorenzo.Pieralisi@arm•com
Cc: Maulik Shah <mkshah@codeaurora•org>,
lsrao@codeaurora•org, dianders@chromium•org,
rnayak@codeaurora•org, linux-pm@vger•kernel.org,
linux-arm-msm@vger•kernel.org, rjw@rjwysocki•net,
linux-kernel@vger•kernel.org, evgreen@chromium•org,
bjorn.andersson@linaro•org, ilina@codeaurora•org,
ulf.hansson@linaro•org, linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 0/7] Add RSC power domain support
Date: Mon, 3 Feb 2020 19:05:33 +0530 [thread overview]
Message-ID: <1580736940-6985-1-git-send-email-mkshah@codeaurora.org> (raw)
Changes in v3:
- Address Rob's comment on dt property value
- Address Stephen's comments on rpmh-rsc driver change
- Include sc7180 cpuidle low power mode changes from [1]
- Include hierarchical domain idle states converter change from [2]
Changes in v2:
- Add Stephen's Reviewed-By to the first three patches
- Addressed Stephen's comments on fourth patch
- Include changes to connect rpmh domain to cpuidle and genpds
Resource State Coordinator (RSC) is responsible for powering off/lowering
the requirements from CPU subsystem for the associated hardware like buses,
clocks, and regulators when all CPUs and cluster is powered down.
RSC power domain uses last-man activities provided by genpd framework based on
Ulf Hansoon's patch series[3], when the cluster of CPUs enter deepest idle
states. As a part of domain poweroff, RSC can lower resource state requirements
by flushing the cached sleep and wake state votes for resources.
[1] https://patchwork.kernel.org/patch/11218965
[2] https://patchwork.kernel.org/patch/10941671
[3] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=222355
Maulik Shah (6):
drivers: qcom: rpmh: fix macro to accept NULL argument
drivers: qcom: rpmh: remove rpmh_flush export
dt-bindings: soc: qcom: Add RSC power domain specifier
drivers: qcom: rpmh-rsc: Add RSC power domain support
arm64: dts: qcom: sc7180: Add cpuidle low power states
arm64: dts: qcom: sc7180: Convert to the hierarchical CPU topology
layout
Ulf Hansson (1):
drivers: firmware: psci: Add hierarchical domain idle states converter
.../devicetree/bindings/soc/qcom/rpmh-rsc.txt | 9 ++
arch/arm64/boot/dts/qcom/sc7180.dtsi | 133 ++++++++++++++++++++
drivers/cpuidle/cpuidle-psci-domain.c | 137 ++++++++++++++++++---
drivers/cpuidle/cpuidle-psci.c | 41 +++---
drivers/cpuidle/cpuidle-psci.h | 11 ++
drivers/soc/qcom/rpmh-internal.h | 3 +
drivers/soc/qcom/rpmh-rsc.c | 81 ++++++++++++
drivers/soc/qcom/rpmh.c | 22 ++--
include/soc/qcom/rpmh.h | 5 -
9 files changed, 389 insertions(+), 53 deletions(-)
--
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of Code Aurora Forum, hosted by The Linux Foundation
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next reply other threads:[~2020-02-03 13:37 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-03 13:35 Maulik Shah [this message]
2020-02-03 13:35 ` [PATCH v3 1/7] drivers: qcom: rpmh: fix macro to accept NULL argument Maulik Shah
2020-02-03 13:35 ` [PATCH v3 2/7] drivers: qcom: rpmh: remove rpmh_flush export Maulik Shah
2020-02-03 13:35 ` [PATCH v3 3/7] dt-bindings: soc: qcom: Add RSC power domain specifier Maulik Shah
2020-02-03 13:35 ` [PATCH v3 4/7] drivers: qcom: rpmh-rsc: Add RSC power domain support Maulik Shah
2020-02-03 13:35 ` [PATCH v3 5/7] drivers: firmware: psci: Add hierarchical domain idle states converter Maulik Shah
2020-02-03 17:08 ` Sudeep Holla
2020-02-04 4:52 ` Maulik Shah
2020-02-04 15:21 ` Sudeep Holla
2020-02-05 12:23 ` Maulik Shah
2020-02-05 14:06 ` Sudeep Holla
2020-02-05 15:55 ` Ulf Hansson
2020-02-05 16:18 ` Sudeep Holla
2020-02-06 8:45 ` Ulf Hansson
2020-02-06 20:45 ` Lina Iyer
2020-02-07 11:20 ` Sudeep Holla
2020-02-07 12:32 ` Ulf Hansson
2020-02-07 14:48 ` Lorenzo Pieralisi
2020-02-07 15:52 ` Ulf Hansson
2020-02-07 16:15 ` Sudeep Holla
2020-02-08 10:25 ` Ulf Hansson
2020-02-10 10:31 ` Sudeep Holla
2020-02-07 16:05 ` Sudeep Holla
2020-02-06 21:11 ` Bjorn Andersson
2020-02-07 11:25 ` Sudeep Holla
2020-02-03 13:35 ` [PATCH v3 6/7] arm64: dts: qcom: sc7180: Add cpuidle low power states Maulik Shah
2020-02-04 23:15 ` Matthias Kaehlcke
2020-02-05 12:07 ` Maulik Shah
2020-02-03 13:35 ` [PATCH v3 7/7] arm64: dts: qcom: sc7180: Convert to the hierarchical CPU topology layout Maulik Shah
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