diff options
| -rw-r--r-- | drivers/pwm/pwm-sun4i.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index a573e9d147c2..0decc7cde133 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -172,7 +172,7 @@ static int sun4i_pwm_calculate(struct sun4i_pwm_chip *sun4i_pwm, bool *bypass) { u64 clk_rate, div = 0; - unsigned int pval, prescaler = 0; + unsigned int prescaler = 0; clk_rate = clk_get_rate(sun4i_pwm->clk); @@ -203,9 +203,11 @@ static int sun4i_pwm_calculate(struct sun4i_pwm_chip *sun4i_pwm, if (prescaler == 0) { /* Go up from the first divider */ for (prescaler = 0; prescaler < PWM_PRESCAL_MASK; prescaler++) { - if (!prescaler_table[prescaler]) + unsigned int pval = prescaler_table[prescaler]; + + if (!pval) continue; - pval = prescaler_table[prescaler]; + div = clk_rate; do_div(div, pval); div = div * state->period; |