pwm: mtk-disp: 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/93ba7ef22f8d26f17e64326249d5da54ab8014ea.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c
index a72f7be36996452d4c984cd8cb30397233a2673d..186aa5c044355c58de037fe004fcfece250ea9f0 100644 (file)
--- a/drivers/pwm/pwm-mtk-disp.c
+++ b/drivers/pwm/pwm-mtk-disp.c
@@ -91,14 +91,14 @@ static int mtk_disp_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
        if (!mdp->enabled) {
                err = clk_prepare_enable(mdp->clk_main);
                if (err < 0) {
-                       dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n",
+                       dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_main: %pe\n",
                                ERR_PTR(err));
                        return err;
                }
 
                err = clk_prepare_enable(mdp->clk_mm);
                if (err < 0) {
-                       dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n",
+                       dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_mm: %pe\n",
                                ERR_PTR(err));
                        clk_disable_unprepare(mdp->clk_main);
                        return err;
@@ -181,13 +181,13 @@ static int mtk_disp_pwm_get_state(struct pwm_chip *chip,
 
        err = clk_prepare_enable(mdp->clk_main);
        if (err < 0) {
-               dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err));
+               dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err));
                return err;
        }
 
        err = clk_prepare_enable(mdp->clk_mm);
        if (err < 0) {
-               dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err));
+               dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err));
                clk_disable_unprepare(mdp->clk_main);
                return err;
        }