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pwm: atmel-hlcdc: Make use of devm_pwmchip_alloc() function

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This prepares the pwm-atmel-hlcdc driver to further changes of the pwm
core outlined in the commit introducing devm_pwmchip_alloc(). There is
no intended semantical change and the driver should behave as before.

Link: https://lore.kernel.org/r/4724c6a0f052160ac80ba5a3065c9470778b7457.1707900770.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 10:30:59 +01:00
parent 0ba76822eb
commit 93dcf8e00e
1 changed files with 5 additions and 8 deletions
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13
drivers/pwm/pwm-atmel-hlcdc.c
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@ -28,7 +28,6 @@ struct atmel_hlcdc_pwm_errata {
};
struct atmel_hlcdc_pwm {
struct pwm_chip chip;
struct atmel_hlcdc *hlcdc;
struct clk *cur_clk;
const struct atmel_hlcdc_pwm_errata *errata;
@ -36,7 +35,7 @@ struct atmel_hlcdc_pwm {
static inline struct atmel_hlcdc_pwm *to_atmel_hlcdc_pwm(struct pwm_chip *chip)
{
return container_of(chip, struct atmel_hlcdc_pwm, chip);
return pwmchip_get_drvdata(chip);
}
static int atmel_hlcdc_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
@ -250,9 +249,10 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
hlcdc = dev_get_drvdata(dev->parent);
atmel = devm_kzalloc(dev, sizeof(*atmel), GFP_KERNEL);
if (!atmel)
return -ENOMEM;
chip = devm_pwmchip_alloc(dev, 1, sizeof(*atmel));
if (IS_ERR(chip))
return PTR_ERR(chip);
atmel = to_atmel_hlcdc_pwm(chip);
ret = clk_prepare_enable(hlcdc->periph_clk);
if (ret)
@ -263,10 +263,7 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
atmel->errata = match->data;
atmel->hlcdc = hlcdc;
chip = &atmel->chip;
chip->ops = &atmel_hlcdc_pwm_ops;
chip->dev = dev;
chip->npwm = 1;
ret = pwmchip_add(chip);
if (ret) {