diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:31:12 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-15 12:59:21 +0100 |
| commit | 5412170f10adeb11db6cf800f2a5612be88ea52e (patch) | |
| tree | 1ef400c1ae69c6077cee8497d4609585c4d89ed7 | |
| parent | 8e87e3dcb298d467e4f69c8c2565a3f9b836232c (diff) | |
pwm: clps711x: Make use of devm_pwmchip_alloc() function
This prepares the pwm-clps711x 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/334e633bb8e4c26dc59883b068466387769b65f9.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| -rw-r--r-- | drivers/pwm/pwm-clps711x.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c index f3b4af7963be..c950e1dbd2b8 100644 --- a/drivers/pwm/pwm-clps711x.c +++ b/drivers/pwm/pwm-clps711x.c @@ -12,7 +12,6 @@ #include <linux/pwm.h> struct clps711x_chip { - struct pwm_chip chip; void __iomem *pmpcon; struct clk *clk; spinlock_t lock; @@ -20,7 +19,7 @@ struct clps711x_chip { static inline struct clps711x_chip *to_clps711x_chip(struct pwm_chip *chip) { - return container_of(chip, struct clps711x_chip, chip); + return pwmchip_get_drvdata(chip); } static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) @@ -76,11 +75,13 @@ static const struct pwm_ops clps711x_pwm_ops = { static int clps711x_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct clps711x_chip *priv; - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 2, sizeof(*priv)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + priv = to_clps711x_chip(chip); priv->pmpcon = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->pmpcon)) @@ -90,13 +91,11 @@ static int clps711x_pwm_probe(struct platform_device *pdev) if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); - priv->chip.ops = &clps711x_pwm_ops; - priv->chip.dev = &pdev->dev; - priv->chip.npwm = 2; + chip->ops = &clps711x_pwm_ops; spin_lock_init(&priv->lock); - return devm_pwmchip_add(&pdev->dev, &priv->chip); + return devm_pwmchip_add(&pdev->dev, chip); } static const struct of_device_id __maybe_unused clps711x_pwm_dt_ids[] = { |