Commit 6a902b11 authored by Joshua Yeong's avatar Joshua Yeong Committed by Daniel Lezcano
Browse files

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: default avatarJoshua Yeong <joshua.yeong@starfivetech.com>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231116105312.4800-1-joshua.yeong@starfivetech.com
parent e0cf6015

drivers/clocksource/timer-riscv.c

+7 −0
Original line number Diff line number Diff line
@@ -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,

};



/*