@@ -28,7 +28,6 @@ struct atmel_hlcdc_pwm_errata {
};
struct atmel_hlcdc_pwm {
- struct pwm_chip chip;
struct atmel_hlcdc *hlcdc;
struct clk *cur_clk;
const struct atmel_hlcdc_pwm_errata *errata;
@@ -36,7 +35,7 @@ struct atmel_hlcdc_pwm {
static inline struct atmel_hlcdc_pwm *to_atmel_hlcdc_pwm(struct pwm_chip *chip)
{
- return container_of(chip, struct atmel_hlcdc_pwm, chip);
+ return pwmchip_get_drvdata(chip);
}
static int atmel_hlcdc_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -251,9 +250,10 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
hlcdc = dev_get_drvdata(dev->parent);
- atmel = devm_kzalloc(dev, sizeof(*atmel), GFP_KERNEL);
- if (!atmel)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(dev, 1, sizeof(*atmel));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ atmel = to_atmel_hlcdc_pwm(chip);
ret = clk_prepare_enable(hlcdc->periph_clk);
if (ret)
@@ -264,10 +264,7 @@ static int atmel_hlcdc_pwm_probe(struct platform_device *pdev)
atmel->errata = match->data;
atmel->hlcdc = hlcdc;
- chip = &atmel->chip;
chip->ops = &atmel_hlcdc_pwm_ops;
- chip->dev = dev;
- chip->npwm = 1;
ret = pwmchip_add(chip);
if (ret) {
This prepares the pwm-atmel-hlcdc 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-atmel-hlcdc.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-)