pwm: atmel-tcb: Unroll atmel_tcb_pwm_set_polarity() into only caller

atmel_tcb_pwm_set_polarity() is only called once and effectively wraps
an assignment only. Replace the function call by the respective
assignment.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index 8d0b74b..0c220c0 100644 (file)
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -67,18 +67,6 @@ static inline struct atmel_tcb_pwm_chip *to_tcb_chip(struct pwm_chip *chip)
        return container_of(chip, struct atmel_tcb_pwm_chip, chip);
 }
 
-static int atmel_tcb_pwm_set_polarity(struct pwm_chip *chip,
-                                     struct pwm_device *pwm,
-                                     enum pwm_polarity polarity)
-{
-       struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
-       struct atmel_tcb_pwm_device *tcbpwm = &tcbpwmc->pwms[pwm->hwpwm];
-
-       tcbpwm->polarity = polarity;
-
-       return 0;
-}
-
 static int atmel_tcb_pwm_request(struct pwm_chip *chip,
                                 struct pwm_device *pwm)
 {
@@ -356,11 +344,12 @@ static int atmel_tcb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 static int atmel_tcb_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
                               const struct pwm_state *state)
 {
+       struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
+       struct atmel_tcb_pwm_device *tcbpwm = &tcbpwmc->pwms[pwm->hwpwm];
        int duty_cycle, period;
        int ret;
 
-       /* This function only sets a flag in driver data */
-       atmel_tcb_pwm_set_polarity(chip, pwm, state->polarity);
+       tcbpwm->polarity = state->polarity;
 
        if (!state->enabled) {
                atmel_tcb_pwm_disable(chip, pwm);