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pwm: Add a stub for devm_pwmchip_add()

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commit 88da4e8113110d5f4ebdd2f8cd0899e300cd1954 upstream.

The devm_pwmchip_add() can be called by a module that optionally
instantiates PWM chip. In the case of CONFIG_PWM=n, the compilation
can't be performed. Hence, add a necessary stub.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2022-11-17 13:08:00 +02:00 committed by Greg Kroah-Hartman
parent b2d8ac988f
commit 19156bcb88
1 changed files with 5 additions and 0 deletions
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5
include/linux/pwm.h
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@ -478,6 +478,11 @@ static inline int pwmchip_remove(struct pwm_chip *chip)
return -EINVAL;
}
static inline int devm_pwmchip_add(struct device *dev, struct pwm_chip *chip)
{
return -EINVAL;
}
static inline struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip,
unsigned int index,
const char *label)