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clocksource/drivers/digicolor: Prevent ftrace recursion
Having a traceable function in the sched_clock() path leads to a recursion within ftrace and a kernel crash. We should not trace digicolor_timer_sched_read() function. Fix this by adding the notrace attribute to this function. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Acked-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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@ -143,7 +143,7 @@ static irqreturn_t digicolor_timer_interrupt(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static u64 digicolor_timer_sched_read(void)
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static u64 notrace digicolor_timer_sched_read(void)
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{
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return ~readl(dc_timer_dev.base + COUNT(TIMER_B));
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}
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