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Diffstat (limited to 'drivers/pwm/pwm-rockchip.c')
| -rw-r--r-- | drivers/pwm/pwm-rockchip.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index 7d9cc9049522..68d72ce8fba5 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -114,12 +114,11 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, * default prescaler value for all practical clock rate values. */ div = clk_rate * period_ns; - do_div(div, pc->data->prescaler * NSEC_PER_SEC); - period = div; + period = DIV_ROUND_CLOSEST_ULL(div, + pc->data->prescaler * NSEC_PER_SEC); div = clk_rate * duty_ns; - do_div(div, pc->data->prescaler * NSEC_PER_SEC); - duty = div; + duty = DIV_ROUND_CLOSEST_ULL(div, pc->data->prescaler * NSEC_PER_SEC); ret = clk_enable(pc->clk); if (ret) |