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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-02-14 10:33:05 +0100
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-02-22 14:39:26 +0100
commite003a687aac4f867354e96531ef46207f8dc6723 (patch)
tree2b631805747d21b590de3c4438cf03b97ecd64b1 /drivers/pwm/pwm-tiehrpwm.c
parentpwm: tiehrpwm: Change prototype of helpers to prepare further changes (diff)
downloadlinux-e003a687aac4f867354e96531ef46207f8dc6723.tar.xz
linux-e003a687aac4f867354e96531ef46207f8dc6723.zip
pwm: tiehrpwm: 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/9badd116d0e26a5656b222c5b4adad7e111a53c7.1707900770.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-tiehrpwm.c')
-rw-r--r--drivers/pwm/pwm-tiehrpwm.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index 6d7babf6fdb0..9a7c72196173 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -256,7 +256,7 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
if (i == pwm->hwpwm)
continue;
- dev_err(chip->dev,
+ dev_err(pwmchip_parent(chip),
"period value conflicts with channel %u\n",
i);
return -EINVAL;
@@ -268,11 +268,11 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
/* Configure clock prescaler to support Low frequency PWM wave */
if (set_prescale_div(period_cycles/PERIOD_MAX, &ps_divval,
&tb_divval)) {
- dev_err(chip->dev, "Unsupported values\n");
+ dev_err(pwmchip_parent(chip), "Unsupported values\n");
return -EINVAL;
}
- pm_runtime_get_sync(chip->dev);
+ pm_runtime_get_sync(pwmchip_parent(chip));
/* Update clock prescaler values */
ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_CLKDIV_MASK, tb_divval);
@@ -299,7 +299,7 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
ehrpwm_write(pc->mmio_base, cmp_reg, duty_cycles);
- pm_runtime_put_sync(chip->dev);
+ pm_runtime_put_sync(pwmchip_parent(chip));
return 0;
}
@@ -323,7 +323,7 @@ static int ehrpwm_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
int ret;
/* Leave clock enabled on enabling PWM */
- pm_runtime_get_sync(chip->dev);
+ pm_runtime_get_sync(pwmchip_parent(chip));
/* Disabling Action Qualifier on PWM output */
if (pwm->hwpwm) {
@@ -346,8 +346,8 @@ static int ehrpwm_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
/* Enable TBCLK */
ret = clk_enable(pc->tbclk);
if (ret) {
- dev_err(chip->dev, "Failed to enable TBCLK for %s: %d\n",
- dev_name(chip->dev), ret);
+ dev_err(pwmchip_parent(chip), "Failed to enable TBCLK for %s: %d\n",
+ dev_name(pwmchip_parent(chip)), ret);
return ret;
}
@@ -385,7 +385,7 @@ static void ehrpwm_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
clk_disable(pc->tbclk);
/* Disable clock on PWM disable */
- pm_runtime_put_sync(chip->dev);
+ pm_runtime_put_sync(pwmchip_parent(chip));
}
static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -393,8 +393,8 @@ static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
if (pwm_is_enabled(pwm)) {
- dev_warn(chip->dev, "Removing PWM device without disabling\n");
- pm_runtime_put_sync(chip->dev);
+ dev_warn(pwmchip_parent(chip), "Removing PWM device without disabling\n");
+ pm_runtime_put_sync(pwmchip_parent(chip));
}
/* set period value to zero on free */
@@ -528,7 +528,7 @@ static void ehrpwm_pwm_save_context(struct pwm_chip *chip)
{
struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
- pm_runtime_get_sync(chip->dev);
+ pm_runtime_get_sync(pwmchip_parent(chip));
pc->ctx.tbctl = ehrpwm_read(pc->mmio_base, TBCTL);
pc->ctx.tbprd = ehrpwm_read(pc->mmio_base, TBPRD);
@@ -539,7 +539,7 @@ static void ehrpwm_pwm_save_context(struct pwm_chip *chip)
pc->ctx.aqsfrc = ehrpwm_read(pc->mmio_base, AQSFRC);
pc->ctx.aqcsfrc = ehrpwm_read(pc->mmio_base, AQCSFRC);
- pm_runtime_put_sync(chip->dev);
+ pm_runtime_put_sync(pwmchip_parent(chip));
}
static void ehrpwm_pwm_restore_context(struct pwm_chip *chip)