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pwm: ntxec: Make use of devm_pwmchip_alloc() function

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This prepares the pwm-ntxec 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/c0c9d6cb3a6662268e660f4f6c89b32268ecf019.1707900770.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 10:32:04 +01:00
parent 2ae7039fa7
commit 8c01031abe
1 changed files with 5 additions and 9 deletions
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14
drivers/pwm/pwm-ntxec.c
View File

@ -25,12 +25,11 @@
struct ntxec_pwm {
struct ntxec *ec;
struct pwm_chip chip;
};
static struct ntxec_pwm *ntxec_pwm_from_chip(struct pwm_chip *chip)
{
return container_of(chip, struct ntxec_pwm, chip);
return pwmchip_get_drvdata(chip);
}
#define NTXEC_REG_AUTO_OFF_HI 0xa1
@ -141,16 +140,13 @@ static int ntxec_pwm_probe(struct platform_device *pdev)
device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
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 = ntxec_pwm_from_chip(chip);
priv->ec = ec;
chip = &priv->chip;
chip->dev = &pdev->dev;
chip->ops = &ntxec_pwm_ops;
chip->npwm = 1;
return devm_pwmchip_add(&pdev->dev, chip);
}