[PATCH v2 1/6] pwm: Add a stub for devm_pwmchip_add()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
 include/linux/pwm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index d70c6e5a839d..bba492eea96c 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -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)
-- 
2.35.1




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