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-rw-r--r--drivers/pwm/pwm-sun4i.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 53970d4ba695..581d23287333 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -137,10 +137,10 @@ static void sun4i_pwm_get_state(struct pwm_chip *chip,
val = sun4i_pwm_readl(sun4i_pwm, PWM_CH_PRD(pwm->hwpwm));
- tmp = prescaler * NSEC_PER_SEC * PWM_REG_DTY(val);
+ tmp = (u64)prescaler * NSEC_PER_SEC * PWM_REG_DTY(val);
state->duty_cycle = DIV_ROUND_CLOSEST_ULL(tmp, clk_rate);
- tmp = prescaler * NSEC_PER_SEC * PWM_REG_PRD(val);
+ tmp = (u64)prescaler * NSEC_PER_SEC * PWM_REG_PRD(val);
state->period = DIV_ROUND_CLOSEST_ULL(tmp, clk_rate);
}