clocksource/drivers/ixp4xx: Implement delay timer (8925ed4b) · Commits · 戴 / test

drivers/clocksource/timer-ixp4xx.c

+14 −2

Original line number	Diff line number	Diff line
		@@ -75,14 +75,19 @@ to_ixp4xx_timer(struct clock_event_device *evt)
		return container_of(evt, struct ixp4xx_timer, clkevt);
		}

		static u64 notrace ixp4xx_read_sched_clock(void)
		static unsigned long ixp4xx_read_timer(void)
		{
		return __raw_readl(local_ixp4xx_timer->base + IXP4XX_OSTS_OFFSET);
		}

		static u64 notrace ixp4xx_read_sched_clock(void)
		{
		return ixp4xx_read_timer();
		}

		static u64 ixp4xx_clocksource_read(struct clocksource *c)
		{
		return __raw_readl(local_ixp4xx_timer->base + IXP4XX_OSTS_OFFSET);
		return ixp4xx_read_timer();
		}

		static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
		@@ -224,6 +229,13 @@ static __init int ixp4xx_timer_register(void __iomem *base,

		sched_clock_register(ixp4xx_read_sched_clock, 32, timer_freq);

		#ifdef CONFIG_ARM
		/* Also use this timer for delays */
		tmr->delay_timer.read_current_timer = ixp4xx_read_timer;
		tmr->delay_timer.freq = timer_freq;
		register_current_timer_delay(&tmr->delay_timer);
		#endif

		return 0;
		}