clocksource/drivers/ixp4xx: Implement delay timer
This adds delay timer functionality to the IXP4xx timer driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>alistair/sunxi64-5.4-dsi
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91d59bdf87
commit
8925ed4b10
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@ -75,14 +75,19 @@ to_ixp4xx_timer(struct clock_event_device *evt)
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return container_of(evt, struct ixp4xx_timer, clkevt);
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return container_of(evt, struct ixp4xx_timer, clkevt);
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}
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}
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static u64 notrace ixp4xx_read_sched_clock(void)
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static unsigned long ixp4xx_read_timer(void)
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{
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{
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return __raw_readl(local_ixp4xx_timer->base + IXP4XX_OSTS_OFFSET);
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return __raw_readl(local_ixp4xx_timer->base + IXP4XX_OSTS_OFFSET);
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}
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}
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static u64 notrace ixp4xx_read_sched_clock(void)
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{
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return ixp4xx_read_timer();
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}
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static u64 ixp4xx_clocksource_read(struct clocksource *c)
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static u64 ixp4xx_clocksource_read(struct clocksource *c)
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{
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{
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return __raw_readl(local_ixp4xx_timer->base + IXP4XX_OSTS_OFFSET);
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return ixp4xx_read_timer();
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}
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}
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static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
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static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
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@ -224,6 +229,13 @@ static __init int ixp4xx_timer_register(void __iomem *base,
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sched_clock_register(ixp4xx_read_sched_clock, 32, timer_freq);
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sched_clock_register(ixp4xx_read_sched_clock, 32, timer_freq);
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#ifdef CONFIG_ARM
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/* Also use this timer for delays */
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tmr->delay_timer.read_current_timer = ixp4xx_read_timer;
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tmr->delay_timer.freq = timer_freq;
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register_current_timer_delay(&tmr->delay_timer);
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#endif
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return 0;
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return 0;
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}
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}
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