staging: greybus: Inline pwm_chip_to_gb_pwm_chip()

Convert 'pwm_chip_to_gb_pwm_chip' from a macro to a static
inline function, to make the relevant types apparent in the
definition and to benefit from the type checking performed by
the compiler at call sites.

Signed-off-by: Sumitra Sharma <sumitraartsy@gmail.com>
Link: https://lore.kernel.org/r/20230326064519.GA179449@sumitra.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c
index 26d39e0..88da1d7 100644 (file)
--- a/drivers/staging/greybus/pwm.c
+++ b/drivers/staging/greybus/pwm.c
@@ -21,8 +21,11 @@ struct gb_pwm_chip {
        struct pwm_chip         chip;
        struct pwm_chip         *pwm;
 };
-#define pwm_chip_to_gb_pwm_chip(chip) \
-       container_of(chip, struct gb_pwm_chip, chip)
+
+static inline struct gb_pwm_chip *pwm_chip_to_gb_pwm_chip(struct pwm_chip *chip)
+{
+       return container_of(chip, struct gb_pwm_chip, chip);
+}
 
 static int gb_pwm_count_operation(struct gb_pwm_chip *pwmc)
 {