@@ -49,7 +49,6 @@ struct berlin_pwm_channel {
};
struct berlin_pwm_chip {
- struct pwm_chip chip;
struct clk *clk;
void __iomem *base;
struct berlin_pwm_channel channel[BERLIN_PWM_NUMPWMS];
@@ -57,7 +56,7 @@ struct berlin_pwm_chip {
static inline struct berlin_pwm_chip *to_berlin_pwm_chip(struct pwm_chip *chip)
{
- return container_of(chip, struct berlin_pwm_chip, chip);
+ return pwmchip_get_drvdata(chip);
}
static inline u32 berlin_pwm_readl(struct berlin_pwm_chip *bpc,
@@ -202,9 +201,10 @@ static int berlin_pwm_probe(struct platform_device *pdev)
struct berlin_pwm_chip *bpc;
int ret;
- bpc = devm_kzalloc(&pdev->dev, sizeof(*bpc), GFP_KERNEL);
- if (!bpc)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(&pdev->dev, BERLIN_PWM_NUMPWMS, sizeof(*bpc));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ bpc = to_berlin_pwm_chip(chip);
bpc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(bpc->base))
@@ -214,10 +214,7 @@ static int berlin_pwm_probe(struct platform_device *pdev)
if (IS_ERR(bpc->clk))
return PTR_ERR(bpc->clk);
- chip = &bpc->chip;
- chip->dev = &pdev->dev;
chip->ops = &berlin_pwm_ops;
- chip->npwm = BERLIN_PWM_NUMPWMS;
ret = devm_pwmchip_add(&pdev->dev, chip);
if (ret < 0)
This prepares the pwm-berlin 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-berlin.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-)