diff mbox series

[v1,077/101] pwm: imx27: Store parent device in driver data

Message ID 20230808171931.944154-78-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State Superseded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-imx27.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
index 79af72fbcec3..cdda3967c6c0 100644
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@@ -80,6 +80,7 @@ 
 #define MX3_PWMPR_MAX			0xfffe
 
 struct pwm_imx27_chip {
+	struct device *parent;
 	struct clk	*clk_ipg;
 	struct clk	*clk_per;
 	void __iomem	*mmio_base;
@@ -147,7 +148,7 @@  static int pwm_imx27_get_state(struct pwm_chip *chip,
 		state->polarity = PWM_POLARITY_INVERSED;
 		break;
 	default:
-		dev_warn(chip->dev, "can't set polarity, output disconnected");
+		dev_warn(imx->parent, "can't set polarity, output disconnected");
 	}
 
 	prescaler = MX3_PWMCR_PRESCALER_GET(val);
@@ -179,7 +180,7 @@  static int pwm_imx27_get_state(struct pwm_chip *chip,
 static void pwm_imx27_sw_reset(struct pwm_chip *chip)
 {
 	struct pwm_imx27_chip *imx = to_pwm_imx27_chip(chip);
-	struct device *dev = chip->dev;
+	struct device *dev = imx->parent;
 	int wait_count = 0;
 	u32 cr;
 
@@ -198,7 +199,7 @@  static void pwm_imx27_wait_fifo_slot(struct pwm_chip *chip,
 				     struct pwm_device *pwm)
 {
 	struct pwm_imx27_chip *imx = to_pwm_imx27_chip(chip);
-	struct device *dev = chip->dev;
+	struct device *dev = imx->parent;
 	unsigned int period_ms;
 	int fifoav;
 	u32 sr;
@@ -318,6 +319,7 @@  static int pwm_imx27_probe(struct platform_device *pdev)
 		return PTR_ERR(chip);
 	imx = pwmchip_priv(chip);
 
+	imx->parent = &pdev->dev;
 	imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
 	if (IS_ERR(imx->clk_ipg))
 		return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_ipg),