diff mbox series

[v6,052/164] pwm: iqs620a: Create a wrapper for converting a pwm_chip to driver data

Message ID cc7ab547b4c4b79456b548aa72205bcf4476db8c.1707900770.git.u.kleine-koenig@pengutronix.de
State Accepted
Headers show
Series pwm: Improve lifetime tracking for pwm_chips | expand

Commit Message

Uwe Kleine-König Feb. 14, 2024, 9:31 a.m. UTC 
There is no semantic change. The new function just implements what was
open-coded twice in the driver before.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/pwm-iqs620a.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-iqs620a.c b/drivers/pwm/pwm-iqs620a.c
index 378ab036edfe..98008cae6d70 100644
--- a/drivers/pwm/pwm-iqs620a.c
+++ b/drivers/pwm/pwm-iqs620a.c
@@ -40,6 +40,11 @@  struct iqs620_pwm_private {
 	unsigned int duty_scale;
 };
 
+static inline struct iqs620_pwm_private *iqs620_pwm_from_chip(struct pwm_chip *chip)
+{
+	return container_of(chip, struct iqs620_pwm_private, chip);
+}
+
 static int iqs620_pwm_init(struct iqs620_pwm_private *iqs620_pwm,
 			   unsigned int duty_scale)
 {
@@ -73,7 +78,7 @@  static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	if (state->period < IQS620_PWM_PERIOD_NS)
 		return -EINVAL;
 
-	iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip);
+	iqs620_pwm = iqs620_pwm_from_chip(chip);
 
 	/*
 	 * The duty cycle generated by the device is calculated as follows:
@@ -109,7 +114,7 @@  static int iqs620_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 {
 	struct iqs620_pwm_private *iqs620_pwm;
 
-	iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip);
+	iqs620_pwm = iqs620_pwm_from_chip(chip);
 
 	mutex_lock(&iqs620_pwm->lock);