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--- a/drivers/clocksource/cs5535-clockevt.c
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+++ b/drivers/clocksource/cs5535-clockevt.c
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@@ -130,7 +130,8 @@ static irqreturn_t mfgpt_tick(int irq, v
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cs5535_mfgpt_write(cs5535_event_clock, MFGPT_REG_SETUP,
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MFGPT_SETUP_CNTEN | MFGPT_SETUP_CMP2);
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- cs5535_clockevent.event_handler(&cs5535_clockevent);
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+ if (cs5535_clockevent.event_handler)
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+ cs5535_clockevent.event_handler(&cs5535_clockevent);
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return IRQ_HANDLED;
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}
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