linux-kernel - [PATCH v6 0/3] Improve CLOCK_EVT_FEAT

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Message-Id: <20230103141102.772228-1-apatel@ventanamicro.com>
Date:   Tue,  3 Jan 2023 19:40:59 +0530
From:   Anup Patel <apatel@...tanamicro.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Andrew Jones <ajones@...tanamicro.com>,
        Atish Patra <atishp@...shpatra.org>,
        Samuel Holland <samuel@...lland.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Anup Patel <anup@...infault.org>, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Anup Patel <apatel@...tanamicro.com>
Subject: [PATCH v6 0/3] Improve CLOCK_EVT_FEAT_C3STOP feature setting

This series improves the RISC-V timer driver to set CLOCK_EVT_FEAT_C3STOP
feature based on RISC-V platform capabilities.

These patches can also be found in riscv_timer_dt_imp_v6 branch at:
https://github.com/avpatel/linux.git

Changes since v5:
 - Rebased on Linux-6.2-rc2

Changes since v4:
 - Update commit text of PATCH1 based on Samuel's comments
 - Renamed DT property "riscv,timer-can-wake-cpu" to
   "riscv,timer-cannot-wake-cpu" in PATCH2 and PATCH3
 - Updated description of DT property "riscv,timer-cannot-wake-cpu"
   in PATCH2

Changes since v3:
 - Rebased on Linux-6.1-rc7
 - Replaced PATCH1 with a patch to initialize broadcast timer

Changes since v2:
 - Include Conor's revert patch as the first patch and rebased other patches
 - Update PATCH2 to document bindings for separate RISC-V timer DT node
 - Update PATCH3 based on RISC-V timer DT node bindings

Changes since v1:
 - Rebased on Linux-5.19-rc8
 - Renamed "riscv,always-on" DT property to "riscv,timer-can-wake-cpu"

Anup Patel (2):
  dt-bindings: timer: Add bindings for the RISC-V timer device
  clocksource: timer-riscv: Set CLOCK_EVT_FEAT_C3STOP based on DT

Conor Dooley (1):
  RISC-V: time: initialize hrtimer based broadcast clock event device

 .../bindings/timer/riscv,timer.yaml           | 52 +++++++++++++++++++
 arch/riscv/kernel/time.c                      |  3 ++
 drivers/clocksource/timer-riscv.c             | 10 ++++
 3 files changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/riscv,timer.yaml

-- 
2.34.1