pwm: sifive: Use 64-bit division macro

Since the PWM framework is switching struct pwm_args.period's datatype to u64, prepare for this transition by using DIV64_U64_ROUND_CLOSEST to handle a 64-bit divisor. Signed-off-by: Guru Das Srinagesh <[email protected]> Acked-by: Palmer Dabbelt <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
ambv · Jun 17, 2020 · 4cc2343 · 4cc2343
1 parent 5bc5d99
commit 4cc2343
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
@@ -181,7 +181,7 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	 * consecutively
 	 */
 	num = (u64)duty_cycle * (1U << PWM_SIFIVE_CMPWIDTH);
-	frac = DIV_ROUND_CLOSEST_ULL(num, state->period);
+	frac = DIV64_U64_ROUND_CLOSEST(num, state->period);
 	/* The hardware cannot generate a 100% duty cycle */
 	frac = min(frac, (1U << PWM_SIFIVE_CMPWIDTH) - 1);