@@ -99,7 +99,6 @@ struct mvebu_pwm {
u32 offset;
unsigned long clk_rate;
struct gpio_desc *gpiod;
- struct pwm_chip chip;
spinlock_t lock;
struct mvebu_gpio_chip *mvchip;
@@ -615,7 +614,7 @@ static const struct regmap_config mvebu_gpio_regmap_config = {
*/
static struct mvebu_pwm *to_mvebu_pwm(struct pwm_chip *chip)
{
- return container_of(chip, struct mvebu_pwm, chip);
+ return pwmchip_get_drvdata(chip);
}
static int mvebu_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -789,6 +788,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
{
struct device *dev = &pdev->dev;
struct mvebu_pwm *mvpwm;
+ struct pwm_chip *chip;
void __iomem *base;
u32 offset;
u32 set;
@@ -813,9 +813,11 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
if (IS_ERR(mvchip->clk))
return PTR_ERR(mvchip->clk);
- mvpwm = devm_kzalloc(dev, sizeof(struct mvebu_pwm), GFP_KERNEL);
- if (!mvpwm)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(dev, mvchip->chip.ngpio, sizeof(*mvpwm));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ mvpwm = to_mvebu_pwm(chip);
+
mvchip->mvpwm = mvpwm;
mvpwm->mvchip = mvchip;
mvpwm->offset = offset;
@@ -868,13 +870,11 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
return -EINVAL;
}
- mvpwm->chip.dev = dev;
- mvpwm->chip.ops = &mvebu_pwm_ops;
- mvpwm->chip.npwm = mvchip->chip.ngpio;
+ chip->ops = &mvebu_pwm_ops;
spin_lock_init(&mvpwm->lock);
- return devm_pwmchip_add(dev, &mvpwm->chip);
+ return devm_pwmchip_add(dev, chip);
}
#ifdef CONFIG_DEBUG_FS
This prepares the pwm sub-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/gpio/gpio-mvebu.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)