mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-12-28 16:56:26 +00:00
pwm: sl28cpld: Make use of devm_pwmchip_alloc() function
This prepares the pwm-sl28cpld 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. Reviewed-by: Michael Walle <mwalle@kernel.org> Link: https://lore.kernel.org/r/ee687086f7fc78264fac723f65ddc96cb7518c03.1707900770.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
parent
554d9acae4
commit
57014f0726
@ -81,14 +81,13 @@
|
||||
regmap_write((priv)->regmap, (priv)->offset + (reg), (val))
|
||||
|
||||
struct sl28cpld_pwm {
|
||||
struct pwm_chip chip;
|
||||
struct regmap *regmap;
|
||||
u32 offset;
|
||||
};
|
||||
|
||||
static inline struct sl28cpld_pwm *sl28cpld_pwm_from_chip(struct pwm_chip *chip)
|
||||
{
|
||||
return container_of(chip, struct sl28cpld_pwm, chip);
|
||||
return pwmchip_get_drvdata(chip);
|
||||
}
|
||||
|
||||
static int sl28cpld_pwm_get_state(struct pwm_chip *chip,
|
||||
@ -213,9 +212,10 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
|
||||
if (!priv)
|
||||
return -ENOMEM;
|
||||
chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*priv));
|
||||
if (IS_ERR(chip))
|
||||
return PTR_ERR(chip);
|
||||
priv = sl28cpld_pwm_from_chip(chip);
|
||||
|
||||
priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
|
||||
if (!priv->regmap) {
|
||||
@ -231,10 +231,7 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
|
||||
}
|
||||
|
||||
/* Initialize the pwm_chip structure */
|
||||
chip = &priv->chip;
|
||||
chip->dev = &pdev->dev;
|
||||
chip->ops = &sl28cpld_pwm_ops;
|
||||
chip->npwm = 1;
|
||||
|
||||
ret = devm_pwmchip_add(&pdev->dev, chip);
|
||||
if (ret) {
|
||||
|
Loading…
Reference in New Issue
Block a user