pwm: stmpe: 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/2136fbdf9b1e6bac479b935b439e2be73a003b97.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-stmpe.c b/drivers/pwm/pwm-stmpe.c
index 19c0c0f39675d3315512f45cc425229e1da120b7..05f3f38031eeb2c048b9792a72edd27684b9eb69 100644 (file)
--- a/drivers/pwm/pwm-stmpe.c
+++ b/drivers/pwm/pwm-stmpe.c
@@ -44,7 +44,7 @@ static int stmpe_24xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 
        ret = stmpe_reg_read(stmpe_pwm->stmpe, STMPE24XX_PWMCS);
        if (ret < 0) {
-               dev_dbg(chip->dev, "error reading PWM#%u control\n",
+               dev_dbg(pwmchip_parent(chip), "error reading PWM#%u control\n",
                        pwm->hwpwm);
                return ret;
        }
@@ -53,7 +53,7 @@ static int stmpe_24xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 
        ret = stmpe_reg_write(stmpe_pwm->stmpe, STMPE24XX_PWMCS, value);
        if (ret) {
-               dev_dbg(chip->dev, "error writing PWM#%u control\n",
+               dev_dbg(pwmchip_parent(chip), "error writing PWM#%u control\n",
                        pwm->hwpwm);
                return ret;
        }
@@ -70,7 +70,7 @@ static int stmpe_24xx_pwm_disable(struct pwm_chip *chip,
 
        ret = stmpe_reg_read(stmpe_pwm->stmpe, STMPE24XX_PWMCS);
        if (ret < 0) {
-               dev_dbg(chip->dev, "error reading PWM#%u control\n",
+               dev_dbg(pwmchip_parent(chip), "error reading PWM#%u control\n",
                        pwm->hwpwm);
                return ret;
        }
@@ -79,7 +79,7 @@ static int stmpe_24xx_pwm_disable(struct pwm_chip *chip,
 
        ret = stmpe_reg_write(stmpe_pwm->stmpe, STMPE24XX_PWMCS, value);
        if (ret)
-               dev_dbg(chip->dev, "error writing PWM#%u control\n",
+               dev_dbg(pwmchip_parent(chip), "error writing PWM#%u control\n",
                        pwm->hwpwm);
        return ret;
 }
@@ -125,7 +125,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
                ret = stmpe_set_altfunc(stmpe_pwm->stmpe, BIT(pin),
                                        STMPE_BLOCK_PWM);
                if (ret) {
-                       dev_err(chip->dev, "unable to connect PWM#%u to pin\n",
+                       dev_err(pwmchip_parent(chip), "unable to connect PWM#%u to pin\n",
                                pwm->hwpwm);
                        return ret;
                }
@@ -150,7 +150,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
                return -ENODEV;
        }
 
-       dev_dbg(chip->dev, "PWM#%u: config duty %d ns, period %d ns\n",
+       dev_dbg(pwmchip_parent(chip), "PWM#%u: config duty %d ns, period %d ns\n",
                pwm->hwpwm, duty_ns, period_ns);
 
        if (duty_ns == 0) {
@@ -216,7 +216,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
                        program[1] = BRANCH;
                }
 
-               dev_dbg(chip->dev,
+               dev_dbg(pwmchip_parent(chip),
                        "PWM#%u: value = %02x, last_duty = %02x, program=%04x,%04x,%04x\n",
                        pwm->hwpwm, value, last, program[0], program[1],
                        program[2]);
@@ -233,7 +233,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
                ret = stmpe_reg_write(stmpe_pwm->stmpe, offset, value);
                if (ret) {
-                       dev_dbg(chip->dev, "error writing register %02x: %d\n",
+                       dev_dbg(pwmchip_parent(chip), "error writing register %02x: %d\n",
                                offset, ret);
                        return ret;
                }
@@ -242,7 +242,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
                ret = stmpe_reg_write(stmpe_pwm->stmpe, offset, value);
                if (ret) {
-                       dev_dbg(chip->dev, "error writing register %02x: %d\n",
+                       dev_dbg(pwmchip_parent(chip), "error writing register %02x: %d\n",
                                offset, ret);
                        return ret;
                }
@@ -255,7 +255,7 @@ static int stmpe_24xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
        /* Sleep for 200ms so we're sure it will take effect */
        msleep(200);
 
-       dev_dbg(chip->dev, "programmed PWM#%u, %u bytes\n", pwm->hwpwm, i);
+       dev_dbg(pwmchip_parent(chip), "programmed PWM#%u, %u bytes\n", pwm->hwpwm, i);
 
        return 0;
 }