pwm: clps711x: Use 64-bit division macro

Guru Das Srinagesh · thierryreding · commit 5bd0b9011da8 · 2020-06-16T11:16:08.000+02:00
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.

Cc: Daniel Thompson &lt;daniel.thompson@linaro.org&gt;
Signed-off-by: Guru Das Srinagesh &lt;gurus@codeaurora.org&gt;
Signed-off-by: Thierry Reding &lt;thierry.reding@gmail.com&gt;
diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c
@@ -43,7 +43,7 @@ static void clps711x_pwm_update_val(struct clps711x_chip *priv, u32 n, u32 v)
 static unsigned int clps711x_get_duty(struct pwm_device *pwm, unsigned int v)
 {
 	/* Duty cycle 0..15 max */
-	return DIV_ROUND_CLOSEST(v * 0xf, pwm->args.period);
+	return DIV64_U64_ROUND_CLOSEST(v * 0xf, pwm->args.period);
 }
 
 static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ static void clps711x_pwm_update_val(struct clps711x_chip *priv, u32 n, u32 v)`
`43`	`43`	`static unsigned int clps711x_get_duty(struct pwm_device *pwm, unsigned int v)`
`44`	`44`	`{`
`45`	`45`	`/* Duty cycle 0..15 max */`
`46`		`- return DIV_ROUND_CLOSEST(v * 0xf, pwm->args.period);`
	`46`	`+ return DIV64_U64_ROUND_CLOSEST(v * 0xf, pwm->args.period);`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`static int clps711x_pwm_request(struct pwm_chip chip, struct pwm_device pwm)`