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pwm: Check for CONFIG_PWM using IS_REACHABLE() in main header

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Preparing CONFIG_PWM becoming tristate the right magic to check for the
availability of the pwm functions is using IS_REACHABLE() and not
IS_ENABLED(). The latter gives the wrong result for built-in code with
CONFIG_PWM=m.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250217102504.687916-2-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
This commit is contained in:
Uwe Kleine-König 2025-02-17 11:25:02 +01:00 • committed by Uwe Kleine-König
parent 058210e84b
commit 4b31eb55db
1 changed files with 2 additions and 2 deletions
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4
include/linux/pwm.h
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@ -379,7 +379,7 @@ static inline void pwmchip_set_drvdata(struct pwm_chip *chip, void *data)
dev_set_drvdata(&chip->dev, data);
}
#if IS_ENABLED(CONFIG_PWM)
#if IS_REACHABLE(CONFIG_PWM)
/* PWM consumer APIs */
int pwm_round_waveform_might_sleep(struct pwm_device *pwm, struct pwm_waveform *wf);
@ -661,7 +661,7 @@ struct pwm_lookup {
PWM_LOOKUP_WITH_MODULE(_provider, _index, _dev_id, _con_id, _period, \
_polarity, NULL)
#if IS_ENABLED(CONFIG_PWM)
#if IS_REACHABLE(CONFIG_PWM)
void pwm_add_table(struct pwm_lookup *table, size_t num);
void pwm_remove_table(struct pwm_lookup *table, size_t num);
#else