@@ -62,13 +62,12 @@
#define TWL6040_LED_MODE_MASK 0x03
struct twl_pwmled_chip {
- struct pwm_chip chip;
struct mutex mutex;
};
static inline struct twl_pwmled_chip *to_twl(struct pwm_chip *chip)
{
- return container_of(chip, struct twl_pwmled_chip, chip);
+ return pwmchip_get_drvdata(chip);
}
static int twl4030_pwmled_config(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -345,25 +344,29 @@ static const struct pwm_ops twl6030_pwmled_ops = {
static int twl_pwmled_probe(struct platform_device *pdev)
{
+ struct pwm_chip *chip;
struct twl_pwmled_chip *twl;
-
- twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL);
- if (!twl)
- return -ENOMEM;
+ unsigned int npwm;
+ const struct pwm_ops *ops;
if (twl_class_is_4030()) {
- twl->chip.ops = &twl4030_pwmled_ops;
- twl->chip.npwm = 2;
+ ops = &twl4030_pwmled_ops;
+ npwm = 2;
} else {
- twl->chip.ops = &twl6030_pwmled_ops;
- twl->chip.npwm = 1;
+ ops = &twl6030_pwmled_ops;
+ npwm = 1;
}
- twl->chip.dev = &pdev->dev;
+ chip = devm_pwmchip_alloc(&pdev->dev, npwm, sizeof(*twl));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ twl = to_twl(chip);
+
+ chip->ops = ops;
mutex_init(&twl->mutex);
- return devm_pwmchip_add(&pdev->dev, &twl->chip);
+ return devm_pwmchip_add(&pdev->dev, chip);
}
#ifdef CONFIG_OF
This prepares the pwm-twl-led 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. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/pwm/pwm-twl-led.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-)