@@ -18,14 +18,13 @@
#include <linux/pwm.h>
struct stm32_pwm_lp {
- struct pwm_chip chip;
struct clk *clk;
struct regmap *regmap;
};
static inline struct stm32_pwm_lp *to_stm32_pwm_lp(struct pwm_chip *chip)
{
- return container_of(chip, struct stm32_pwm_lp, chip);
+ return pwmchip_get_drvdata(chip);
}
/* STM32 Low-Power Timer is preceded by a configurable power-of-2 prescaler */
@@ -200,16 +199,14 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev)
struct pwm_chip *chip;
int ret;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*priv));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ priv = to_stm32_pwm_lp(chip);
priv->regmap = ddata->regmap;
priv->clk = ddata->clk;
- chip = &priv->chip;
- chip->dev = &pdev->dev;
chip->ops = &stm32_pwm_lp_ops;
- chip->npwm = 1;
ret = devm_pwmchip_add(&pdev->dev, chip);
if (ret < 0)
This prepares the pwm-stm32-lp 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-stm32-lp.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-)