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pwm: lpss: Make use of pwmchip_parent() accessor

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struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.

Link: https://lore.kernel.org/r/77617ba84bed7807a05779109432a292dd79f72f.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2024-02-14 10:31:52 +01:00
parent ac4b44cac5
commit 0f83bfd80d
1 changed files with 7 additions and 7 deletions
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14
drivers/pwm/pwm-lpss.c
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@ -106,7 +106,7 @@ static int pwm_lpss_wait_for_update(struct pwm_device *pwm)
*/
err = readl_poll_timeout(addr, val, !(val & PWM_SW_UPDATE), 40, ms);
if (err)
dev_err(pwm->chip->dev, "PWM_SW_UPDATE was not cleared\n");
dev_err(pwmchip_parent(pwm->chip), "PWM_SW_UPDATE was not cleared\n");
return err;
}
@ -114,7 +114,7 @@ static int pwm_lpss_wait_for_update(struct pwm_device *pwm)
static inline int pwm_lpss_is_updating(struct pwm_device *pwm)
{
if (pwm_lpss_read(pwm) & PWM_SW_UPDATE) {
dev_err(pwm->chip->dev, "PWM_SW_UPDATE is still set, skipping update\n");
dev_err(pwmchip_parent(pwm->chip), "PWM_SW_UPDATE is still set, skipping update\n");
return -EBUSY;
}
@ -190,16 +190,16 @@ static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm,
if (state->enabled) {
if (!pwm_is_enabled(pwm)) {
pm_runtime_get_sync(chip->dev);
pm_runtime_get_sync(pwmchip_parent(chip));
ret = pwm_lpss_prepare_enable(lpwm, pwm, state);
if (ret)
pm_runtime_put(chip->dev);
pm_runtime_put(pwmchip_parent(chip));
} else {
ret = pwm_lpss_prepare_enable(lpwm, pwm, state);
}
} else if (pwm_is_enabled(pwm)) {
pwm_lpss_write(pwm, pwm_lpss_read(pwm) & ~PWM_ENABLE);
pm_runtime_put(chip->dev);
pm_runtime_put(pwmchip_parent(chip));
}
return ret;
@ -213,7 +213,7 @@ static int pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
unsigned long long base_unit, freq, on_time_div;
u32 ctrl;
pm_runtime_get_sync(chip->dev);
pm_runtime_get_sync(pwmchip_parent(chip));
base_unit_range = BIT(lpwm->info->base_unit_bits);
@ -235,7 +235,7 @@ static int pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
state->polarity = PWM_POLARITY_NORMAL;
state->enabled = !!(ctrl & PWM_ENABLE);
pm_runtime_put(chip->dev);
pm_runtime_put(pwmchip_parent(chip));
return 0;
}