diff options
Diffstat (limited to 'drivers/clocksource/fsl_ftm_timer.c')
| -rw-r--r-- | drivers/clocksource/fsl_ftm_timer.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c index 738515b..770bbbc 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c @@ -83,11 +83,11 @@ static inline void ftm_counter_disable(void __iomem *base) static inline void ftm_irq_acknowledge(void __iomem *base) { - u32 val; + unsigned int timeout = 100; - val = ftm_readl(base + FTM_SC); - val &= ~FTM_SC_TOF; - ftm_writel(val, base + FTM_SC); + while ((FTM_SC_TOF & ftm_readl(base + FTM_SC)) && timeout--) + ftm_writel(ftm_readl(base + FTM_SC) & (~FTM_SC_TOF), + base + FTM_SC); } static inline void ftm_irq_enable(void __iomem *base) |