diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:32:55 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 14:39:25 +0100 |
| commit | 11ee0a124cb48bb837a1d90c3504a9c3376e96d1 (patch) | |
| tree | 7b72dd12736f5ffc4340767e424468185067cd8d /drivers/pwm | |
| parent | 362e3f883d048d786d7dbc6974eee1ed86b23091 (diff) | |
pwm: sunplus: Make use of devm_pwmchip_alloc() function
This prepares the pwm-sunplus 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/192be7e428eff17dd922c9c0d0d168225b89bb34.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-sunplus.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-sunplus.c b/drivers/pwm/pwm-sunplus.c index 773e2f80526e..b342b843247b 100644 --- a/drivers/pwm/pwm-sunplus.c +++ b/drivers/pwm/pwm-sunplus.c @@ -43,14 +43,13 @@ #define SP7021_PWM_NUM 4 struct sunplus_pwm { - struct pwm_chip chip; void __iomem *base; struct clk *clk; }; static inline struct sunplus_pwm *to_sunplus_pwm(struct pwm_chip *chip) { - return container_of(chip, struct sunplus_pwm, chip); + return pwmchip_get_drvdata(chip); } static int sunplus_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, @@ -175,12 +174,14 @@ static void sunplus_pwm_clk_release(void *data) static int sunplus_pwm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct pwm_chip *chip; struct sunplus_pwm *priv; int ret; - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + chip = devm_pwmchip_alloc(dev, SP7021_PWM_NUM, sizeof(*priv)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + priv = to_sunplus_pwm(chip); priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) @@ -203,11 +204,9 @@ static int sunplus_pwm_probe(struct platform_device *pdev) return ret; } - priv->chip.dev = dev; - priv->chip.ops = &sunplus_pwm_ops; - priv->chip.npwm = SP7021_PWM_NUM; + chip->ops = &sunplus_pwm_ops; - ret = devm_pwmchip_add(dev, &priv->chip); + ret = devm_pwmchip_add(dev, chip); if (ret < 0) return dev_err_probe(dev, ret, "Cannot register sunplus PWM\n"); |