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

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[ Upstream commit 9a6ac822a2 ]

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>
Stable-dep-of: 37f7707077 ("pwm: atmel-tcb: Fix race condition and convert to guards")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Uwe Kleine-König 2023-07-19 21:20:12 +02:00 committed by Greg Kroah-Hartman
parent 49ed37d65e
commit cd2c4acaab
1 changed files with 3 additions and 14 deletions
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17
drivers/pwm/pwm-atmel-tcb.c
View file

@ -68,18 +68,6 @@ 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)
{
@ -357,11 +345,12 @@ 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);