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| author | Joshua Yeong <joshua.yeong@starfivetech.com> | 2023-11-16 18:53:12 +0800 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2023-12-27 15:37:11 +0100 |
| commit | 6a902b118e7f30dbf0e6248f7b0f97e12c0939c3 (patch) | |
| tree | 80a620e91ca8a084954e4c99c014fcf28cd61252 /drivers/clocksource | |
| parent | e0cf60151e6317c654c42ba0e8b1fb6ff477489a (diff) | |
| download | lwn-6a902b118e7f30dbf0e6248f7b0f97e12c0939c3.tar.gz lwn-6a902b118e7f30dbf0e6248f7b0f97e12c0939c3.zip | |
clocksource/timer-riscv: Add riscv_clock_shutdown callback
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>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231116105312.4800-1-joshua.yeong@starfivetech.com
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-riscv.c | 7 |
1 files changed, 7 insertions, 0 deletions
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, }; /* |