We should minus one after calculating the counter input clock's
prescaler.
Signed-off-by: Xiubo Li <li.xi...@freescale.com>
Signed-off-by: Jingchang Lu <jingchang...@freescale.com>
---
drivers/clocksource/fsl_ftm_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/fsl_ftm_timer.c
b/drivers/clocksource/fsl_ftm_timer.c
index f70fcf2..974890e 100644
--- a/drivers/clocksource/fsl_ftm_timer.c
+++ b/drivers/clocksource/fsl_ftm_timer.c
@@ -311,7 +311,7 @@ static int __init ftm_calc_closest_round_cyc(unsigned long
freq)
HZ * (1 << priv->ps++));
} while (priv->periodic_cyc > 0xFFFF);
- if (priv->ps > FTM_PS_MAX) {
+ if (--priv->ps > FTM_PS_MAX) {
pr_err("ftm: the prescaler is %lu > %d\n",
priv->ps, FTM_PS_MAX);
return -EINVAL;
--
1.8.5
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