linux-kernel - [PATCH 3/3] Staging: greybus: Convert macro struct pwm_chip_to_gb_pwm

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Message-Id: <fa02078208917ce81ad3fb6d453e8487a5ba7505.1679558269.git.sumitraartsy@gmail.com>
Date:   Thu, 23 Mar 2023 02:03:41 -0700
From:   Sumitra Sharma <sumitraartsy@...il.com>
To:     outreachy@...ts.linux.dev
Cc:     johan@...nel.org, elder@...nel.org, gregkh@...uxfoundation.org,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Sumitra Sharma <sumitraartsy@...il.com>
Subject: [PATCH 3/3] Staging: greybus: Convert macro struct pwm_chip_to_gb_pwm_chip to an inline function

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@...il.com>
---
 drivers/staging/greybus/pwm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c
index 3fda172239d2..88da1d796f13 100644
--- a/drivers/staging/greybus/pwm.c
+++ b/drivers/staging/greybus/pwm.c
@@ -21,9 +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)
 {
-- 
2.25.1