[PATCH v3 0/7] ufs: set power domain performance state when scaling gears

From: Krzysztof Kozlowski
Date: Fri May 13 2022 - 02:14:32 EST


Hi,

Changes since v2
================
1. PM: Split PM OPP patch into two - getting clocks and rates. (Viresh)
2. PM: Do not set clock rates from PM OPPs but rely on set_opp helper. (Viresh)
3. PM: Use clk bulk operations in PM OPP for getting/releasing the clocks. (Bjorn)
4. UFS: Rework clock scalling to be called in the same place as old method, so
pre/post changes notification will work. (Mani)
5. UFS: Bail out if both freq-table-hz and operating-points are provided. (Mani)
6. Add review tags.

Changes since v1
================
1. Patch #1 qcom,gcc-sdm845: fix typo (Stephen).
2. Patch #2 ufs dt-bindings: not adding Rob's review because patch
changed significantly.
3. PM: add new code for handling multiple clocks.
4. UFS: deprecate freq-table-hz property and use PM opps instead.

Dependencies
============
The UFS patch depends on PM OPP patches adding multiple clocks/rates support.

Best regards,
Krzysztof

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Krzysztof Kozlowski (7):
dt-bindings: clock: qcom,gcc-sdm845: add parent power domain
dt-bindings: opp: accept array of frequencies
dt-bindings: ufs: common: add OPP table
arm64: dts: qcom: sdm845: control RPMHPD performance states with UFS
PM: opp: allow control of multiple clocks
PM: opp: parse multiple frequencies in each OPP
ufs: use PM OPP when scaling gears

.../bindings/clock/qcom,gcc-sdm845.yaml | 3 +
.../devicetree/bindings/opp/opp-v2-base.yaml | 10 +
.../devicetree/bindings/ufs/ufs-common.yaml | 34 ++-
arch/arm64/boot/dts/qcom/sdm845.dtsi | 43 +++-
drivers/opp/core.c | 207 +++++++++++++-----
drivers/opp/of.c | 47 ++++
drivers/opp/opp.h | 9 +-
drivers/opp/ti-opp-supply.c | 6 +-
drivers/scsi/ufs/ufshcd-pltfrm.c | 73 ++++++
drivers/scsi/ufs/ufshcd.c | 150 ++++++++++---
drivers/scsi/ufs/ufshcd.h | 6 +
include/linux/pm_opp.h | 32 ++-
12 files changed, 518 insertions(+), 102 deletions(-)

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2.32.0