diff mbox series

[v1,074/101] pwm: ep93xx: Store parent device in driver data

Message ID 20230808171931.944154-75-u.kleine-koenig@pengutronix.de
State Superseded
Headers show
Series pwm: Fix lifetime issues for pwm_chips | expand

Commit Message

Uwe Kleine-König Aug. 8, 2023, 5:19 p.m. UTC 
struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, store a pointer to
the parent device in driver data.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/pwm-ep93xx.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index 394013c545ac..4d5147b403a4 100644
--- a/drivers/pwm/pwm-ep93xx.c
+++ b/drivers/pwm/pwm-ep93xx.c
@@ -34,6 +34,7 @@ 
 #define EP93XX_PWMx_INVERT	0x0c
 
 struct ep93xx_pwm {
+	struct platform_device *pdev;
 	void __iomem *base;
 	struct clk *clk;
 };
@@ -45,16 +46,16 @@  static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip)
 
 static int ep93xx_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
 {
-	struct platform_device *pdev = to_platform_device(chip->dev);
+	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
 
-	return ep93xx_pwm_acquire_gpio(pdev);
+	return ep93xx_pwm_acquire_gpio(ep93xx_pwm->pdev);
 }
 
 static void ep93xx_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 {
-	struct platform_device *pdev = to_platform_device(chip->dev);
+	struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
 
-	ep93xx_pwm_release_gpio(pdev);
+	ep93xx_pwm_release_gpio(ep93xx_pwm->pdev);
 }
 
 static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -171,6 +172,8 @@  static int ep93xx_pwm_probe(struct platform_device *pdev)
 		return PTR_ERR(chip);
 	ep93xx_pwm = to_ep93xx_pwm(chip);
 
+	ep93xx_pwm->pdev = pdev;
+
 	ep93xx_pwm->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ep93xx_pwm->base))
 		return PTR_ERR(ep93xx_pwm->base);