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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
1 changed files with 5 additions and 8 deletions
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@ -81,14 +81,13 @@
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regmap_write((priv)->regmap, (priv)->offset + (reg), (val))
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struct sl28cpld_pwm {
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struct pwm_chip chip;
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struct regmap *regmap;
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u32 offset;
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};
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static inline struct sl28cpld_pwm *sl28cpld_pwm_from_chip(struct pwm_chip *chip)
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{
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return container_of(chip, struct sl28cpld_pwm, chip);
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return pwmchip_get_drvdata(chip);
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}
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static int sl28cpld_pwm_get_state(struct pwm_chip *chip,
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@ -213,9 +212,10 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
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return -ENODEV;
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}
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priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
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if (!priv)
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return -ENOMEM;
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chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*priv));
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if (IS_ERR(chip))
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return PTR_ERR(chip);
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priv = sl28cpld_pwm_from_chip(chip);
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priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
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if (!priv->regmap) {
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@ -231,10 +231,7 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
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}
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/* Initialize the pwm_chip structure */
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chip = &priv->chip;
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chip->dev = &pdev->dev;
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chip->ops = &sl28cpld_pwm_ops;
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chip->npwm = 1;
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ret = devm_pwmchip_add(&pdev->dev, chip);
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if (ret) {
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