[PATCH v6 0/3] Improve CLOCK_EVT_FEAT_C3STOP feature setting

Anup Patel
2023-01-03T17:00:26Z

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