Messages in this thread Patch in this message | | | From | Joshua Yeong <> | Subject | [PATCH v3 1/1] clocksource/timer-riscv: Add riscv_clock_shutdown callback | Date | Thu, 16 Nov 2023 18:53:12 +0800 |
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Add clocksource detach/shutdown callback to disable RISC-V timer interrupt when switching out riscv timer as clock source
Signed-off-by: Joshua Yeong <joshua.yeong@starfivetech.com> --- drivers/clocksource/timer-riscv.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index 57857c0dfba9..e66dcbd66566 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -61,12 +61,19 @@ static int riscv_clock_next_event(unsigned long delta, return 0; } +static int riscv_clock_shutdown(struct clock_event_device *evt) +{ + riscv_clock_event_stop(); + return 0; +} + static unsigned int riscv_clock_event_irq; static DEFINE_PER_CPU(struct clock_event_device, riscv_clock_event) = { .name = "riscv_timer_clockevent", .features = CLOCK_EVT_FEAT_ONESHOT, .rating = 100, .set_next_event = riscv_clock_next_event, + .set_state_shutdown = riscv_clock_shutdown, }; /* -- 2.25.1
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