diff options
| -rw-r--r-- | drivers/pwm/pwm-jz4740.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index d0f5c69930d0..77c28313e95f 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -92,11 +92,12 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, { struct jz4740_pwm_chip *jz4740 = to_jz4740(pwm->chip); unsigned long long tmp; - unsigned long period, duty; + unsigned long rate, period, duty; unsigned int prescaler = 0; uint16_t ctrl; - tmp = (unsigned long long)clk_get_rate(jz4740->clk) * state->period; + rate = clk_get_rate(jz4740->clk); + tmp = rate * state->period; do_div(tmp, 1000000000); period = tmp; |