diff options
Diffstat (limited to 'drivers/pwm/pwm-clk.c')
| -rw-r--r-- | drivers/pwm/pwm-clk.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-clk.c b/drivers/pwm/pwm-clk.c index aef35d9a6a61..c19a482d7e28 100644 --- a/drivers/pwm/pwm-clk.c +++ b/drivers/pwm/pwm-clk.c @@ -28,12 +28,14 @@ #include <linux/pwm.h> struct pwm_clk_chip { - struct pwm_chip chip; struct clk *clk; bool clk_enabled; }; -#define to_pwm_clk_chip(_chip) container_of(_chip, struct pwm_clk_chip, chip) +static inline struct pwm_clk_chip *to_pwm_clk_chip(struct pwm_chip *chip) +{ + return pwmchip_get_drvdata(chip); +} static int pwm_clk_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) @@ -85,19 +87,17 @@ static int pwm_clk_probe(struct platform_device *pdev) struct pwm_clk_chip *pcchip; int ret; - pcchip = devm_kzalloc(&pdev->dev, sizeof(*pcchip), GFP_KERNEL); - if (!pcchip) - return -ENOMEM; - chip = &pcchip->chip; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*pcchip)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + pcchip = to_pwm_clk_chip(chip); pcchip->clk = devm_clk_get_prepared(&pdev->dev, NULL); if (IS_ERR(pcchip->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(pcchip->clk), "Failed to get clock\n"); - chip->dev = &pdev->dev; chip->ops = &pwm_clk_ops; - chip->npwm = 1; ret = pwmchip_add(chip); if (ret < 0) |