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gpio: mvebu: Make use of devm_pwmchip_alloc() function

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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.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/2edc3adbb2c40b76b3b3dac82de82f3036bec1d5.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2024-02-14 10:33:18 +01:00
parent dda59d2424
commit 7ae57b104d
1 changed files with 9 additions and 9 deletions
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18
drivers/gpio/gpio-mvebu.c
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@ -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