pwm: imx27: Make use of pwmchip_parent() accessor

struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.

Link: https://lore.kernel.org/r/a8e3e3b3ea0684c9b289999c6f09eedbc2520f54.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
index c825d3bcb329ac15eaf1f49ef88e403628e16b95..f84c8be7e9cea1f5a3a051e7fe0d64a25881fbba 100644 (file)
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@@ -145,7 +145,7 @@ 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(pwmchip_parent(chip), "can't set polarity, output disconnected");
        }
 
        prescaler = MX3_PWMCR_PRESCALER_GET(val);
@@ -177,7 +177,7 @@ 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 = pwmchip_parent(chip);
        int wait_count = 0;
        u32 cr;
 
@@ -196,7 +196,7 @@ 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 = pwmchip_parent(chip);
        unsigned int period_ms;
        int fifoav;
        u32 sr;