diff options
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-mtk-disp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index caabcb30f90e..73f8103a782c 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -119,7 +119,7 @@ static int mtk_disp_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, * high_width = (PWM_CLK_RATE * duty_ns) / (10^9 * (clk_div + 1)) */ rate = clk_get_rate(mdp->clk_main); - clk_div = div_u64(rate * state->period, NSEC_PER_SEC) >> + clk_div = mul_u64_u64_div_u64(state->period, rate, NSEC_PER_SEC) >> PWM_PERIOD_BIT_WIDTH; if (clk_div > PWM_CLKDIV_MAX) { if (!mdp->enabled) { @@ -130,11 +130,11 @@ static int mtk_disp_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, } div = NSEC_PER_SEC * (clk_div + 1); - period = div64_u64(rate * state->period, div); + period = mul_u64_u64_div_u64(state->period, rate, div); if (period > 0) period--; - high_width = div64_u64(rate * state->duty_cycle, div); + high_width = mul_u64_u64_div_u64(state->duty_cycle, rate, div); value = period | (high_width << PWM_HIGH_WIDTH_SHIFT); mtk_disp_pwm_update_bits(mdp, mdp->data->con0, |