pwm: rz-mtu3: 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/90e6b5d5215425f3a5ff4468ba8aedf3d387f812.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-rz-mtu3.c b/drivers/pwm/pwm-rz-mtu3.c
index bdda315b3bd30c135e4c0d10174fa52a144455fc..acdc45ff90cfa9a93e96004d3d85c31c2e251520 100644 (file)
--- a/drivers/pwm/pwm-rz-mtu3.c
+++ b/drivers/pwm/pwm-rz-mtu3.c
@@ -219,7 +219,7 @@ static int rz_mtu3_pwm_enable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
        u8 val;
        int rc;
 
-       rc = pm_runtime_resume_and_get(rz_mtu3_pwm->chip.dev);
+       rc = pm_runtime_resume_and_get(pwmchip_parent(&rz_mtu3_pwm->chip));
        if (rc)
                return rc;
 
@@ -265,7 +265,7 @@ static void rz_mtu3_pwm_disable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
 
        mutex_unlock(&rz_mtu3_pwm->lock);
 
-       pm_runtime_put_sync(rz_mtu3_pwm->chip.dev);
+       pm_runtime_put_sync(pwmchip_parent(&rz_mtu3_pwm->chip));
 }
 
 static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -274,7 +274,7 @@ static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
        struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
        int rc;
 
-       rc = pm_runtime_resume_and_get(chip->dev);
+       rc = pm_runtime_resume_and_get(pwmchip_parent(chip));
        if (rc)
                return rc;
 
@@ -307,7 +307,7 @@ static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
        }
 
        state->polarity = PWM_POLARITY_NORMAL;
-       pm_runtime_put(chip->dev);
+       pm_runtime_put(pwmchip_parent(chip));
 
        return 0;
 }
@@ -362,7 +362,7 @@ static int rz_mtu3_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
        if (!pwm->state.enabled) {
                int rc;
 
-               rc = pm_runtime_resume_and_get(chip->dev);
+               rc = pm_runtime_resume_and_get(pwmchip_parent(chip));
                if (rc)
                        return rc;
        }
@@ -399,7 +399,7 @@ static int rz_mtu3_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
        /* If the PWM is not enabled, turn the clock off again to save power. */
        if (!pwm->state.enabled)
-               pm_runtime_put(chip->dev);
+               pm_runtime_put(pwmchip_parent(chip));
 
        return 0;
 }
@@ -465,8 +465,8 @@ static void rz_mtu3_pwm_pm_disable(void *data)
        struct rz_mtu3_pwm_chip *rz_mtu3_pwm = data;
 
        clk_rate_exclusive_put(rz_mtu3_pwm->clk);
-       pm_runtime_disable(rz_mtu3_pwm->chip.dev);
-       pm_runtime_set_suspended(rz_mtu3_pwm->chip.dev);
+       pm_runtime_disable(pwmchip_parent(&rz_mtu3_pwm->chip));
+       pm_runtime_set_suspended(pwmchip_parent(&rz_mtu3_pwm->chip));
 }
 
 static int rz_mtu3_pwm_probe(struct platform_device *pdev)