diff mbox series

[v1,075/101] pwm: fsl-ftm: Store parent device in driver data

Message ID 20230808171931.944154-76-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State Superseded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-fsl-ftm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c
index f56c7e9f491a..48e37a9df629 100644
--- a/drivers/pwm/pwm-fsl-ftm.c
+++ b/drivers/pwm/pwm-fsl-ftm.c
@@ -40,6 +40,7 @@  struct fsl_pwm_periodcfg {
 };
 
 struct fsl_pwm_chip {
+	struct device *parent;
 	struct mutex lock;
 	struct regmap *regmap;
 
@@ -232,7 +233,7 @@  static int fsl_pwm_apply_config(struct pwm_chip *chip,
 	bool do_write_period = false;
 
 	if (!fsl_pwm_calculate_period(fpc, newstate->period, &periodcfg)) {
-		dev_err(chip->dev, "failed to calculate new period\n");
+		dev_err(fpc->parent, "failed to calculate new period\n");
 		return -EINVAL;
 	}
 
@@ -246,7 +247,7 @@  static int fsl_pwm_apply_config(struct pwm_chip *chip,
 	 */
 	else if (!fsl_pwm_periodcfg_are_equal(&fpc->period, &periodcfg)) {
 		if (fsl_pwm_is_other_pwm_enabled(fpc, pwm)) {
-			dev_err(chip->dev,
+			dev_err(fpc->parent,
 				"Cannot change period for PWM %u, disable other PWMs first\n",
 				pwm->hwpwm);
 			return -EBUSY;
@@ -404,6 +405,7 @@  static int fsl_pwm_probe(struct platform_device *pdev)
 
 	mutex_init(&fpc->lock);
 
+	fpc->parent = &pdev->dev;
 	fpc->soc = of_device_get_match_data(&pdev->dev);
 
 	base = devm_platform_ioremap_resource(pdev, 0);