diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 12:30:57 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-15 14:59:19 +0300 |
| commit | 8de8ccaca9f892d470145ff25b195c0d566421cd (patch) | |
| tree | 647242adb608348065c952360d1b10881c57aa94 | |
| parent | f9e4d438e12b669f3227fdc56baa8c286a5a79e1 (diff) | |
| download | linux-8de8ccaca9f892d470145ff25b195c0d566421cd.tar.xz | |
pwm: atmel: Make use of devm_pwmchip_alloc() function
This prepares the pwm-atmel 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.
Link: https://lore.kernel.org/r/f2a83af5660de461b4dcaf76929e9813bddfeff1.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| -rw-r--r-- | drivers/pwm/pwm-atmel.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c index 920bad27fbee..b2f0abbbad63 100644 --- a/drivers/pwm/pwm-atmel.c +++ b/drivers/pwm/pwm-atmel.c @@ -77,7 +77,6 @@ struct atmel_pwm_data { }; struct atmel_pwm_chip { - struct pwm_chip chip; struct clk *clk; void __iomem *base; const struct atmel_pwm_data *data; @@ -99,7 +98,7 @@ struct atmel_pwm_chip { static inline struct atmel_pwm_chip *to_atmel_pwm_chip(struct pwm_chip *chip) { - return container_of(chip, struct atmel_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static inline u32 atmel_pwm_readl(struct atmel_pwm_chip *chip, @@ -502,10 +501,11 @@ static int atmel_pwm_probe(struct platform_device *pdev) struct pwm_chip *chip; int ret; - atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL); - if (!atmel_pwm) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 4, sizeof(*atmel_pwm)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + atmel_pwm = to_atmel_pwm_chip(chip); atmel_pwm->data = of_device_get_match_data(&pdev->dev); atmel_pwm->update_pending = 0; @@ -520,10 +520,7 @@ static int atmel_pwm_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(atmel_pwm->clk), "failed to get prepared PWM clock\n"); - chip = &atmel_pwm->chip; - chip->dev = &pdev->dev; chip->ops = &atmel_pwm_ops; - chip->npwm = 4; ret = atmel_pwm_enable_clk_if_on(chip, true); if (ret < 0) |