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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-02-14 10:31:43 +0100
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-02-19 11:04:10 +0100
commit4eeb33229c322a85e45cec084a9faffb961e4e87 (patch)
tree796008d762efafa43f092ec968bf4aa435832a72 /drivers/pwm/pwm-jz4740.c
parentcebf107de5c9417cfde9649161d9cc3b43ac1b45 (diff)
downloadlwn-4eeb33229c322a85e45cec084a9faffb961e4e87.tar.gz
lwn-4eeb33229c322a85e45cec084a9faffb961e4e87.zip
pwm: jz4740: 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/86b8a362f1e50c5b95c43e056d03ee5ca66d1641.1707900770.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-jz4740.c')
-rw-r--r--drivers/pwm/pwm-jz4740.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c
index de9e66065e48..4d39f61b86ff 100644
--- a/drivers/pwm/pwm-jz4740.c
+++ b/drivers/pwm/pwm-jz4740.c
@@ -40,7 +40,7 @@ static bool jz4740_pwm_can_use_chn(struct pwm_chip *chip, unsigned int channel)
/* Enable all TCU channels for PWM use by default except channels 0/1 */
u32 pwm_channels_mask = GENMASK(chip->npwm - 1, 2);
- device_property_read_u32(chip->dev->parent,
+ device_property_read_u32(pwmchip_parent(chip)->parent,
"ingenic,pwm-channels-mask",
&pwm_channels_mask);
@@ -59,9 +59,10 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
snprintf(name, sizeof(name), "timer%u", pwm->hwpwm);
- clk = clk_get(chip->dev, name);
+ clk = clk_get(pwmchip_parent(chip), name);
if (IS_ERR(clk)) {
- dev_err(chip->dev, "error %pe: Failed to get clock\n", clk);
+ dev_err(pwmchip_parent(chip),
+ "error %pe: Failed to get clock\n", clk);
return PTR_ERR(clk);
}
@@ -149,7 +150,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
*/
rate = clk_round_rate(clk, tmp);
if (rate < 0) {
- dev_err(chip->dev, "Unable to round rate: %ld\n", rate);
+ dev_err(pwmchip_parent(chip), "Unable to round rate: %ld\n", rate);
return rate;
}
@@ -170,7 +171,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
err = clk_set_rate(clk, rate);
if (err) {
- dev_err(chip->dev, "Unable to set rate: %d\n", err);
+ dev_err(pwmchip_parent(chip), "Unable to set rate: %d\n", err);
return err;
}