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pwm: tiehrpwm: Make use of pwmchip_parent() accessor

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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>
This commit is contained in:
Uwe Kleine-König 2024-02-14 10:33:05 +01:00
parent 4e1c8593e5
commit e003a687aa
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/pwm/pwm-tiehrpwm.c
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@ -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)