diff options
Diffstat (limited to 'drivers/pwm/pwm-brcmstb.c')
| -rw-r--r-- | drivers/pwm/pwm-brcmstb.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-brcmstb.c b/drivers/pwm/pwm-brcmstb.c index 0fdeb0b2db..82d27d07ba 100644 --- a/drivers/pwm/pwm-brcmstb.c +++ b/drivers/pwm/pwm-brcmstb.c @@ -54,7 +54,6 @@ struct brcmstb_pwm { void __iomem *base; struct clk *clk; - struct pwm_chip chip; }; static inline u32 brcmstb_pwm_readl(struct brcmstb_pwm *p, @@ -77,7 +76,7 @@ static inline void brcmstb_pwm_writel(struct brcmstb_pwm *p, u32 value, static inline struct brcmstb_pwm *to_brcmstb_pwm(struct pwm_chip *chip) { - return container_of(chip, struct brcmstb_pwm, chip); + return pwmchip_get_drvdata(chip); } /* @@ -230,12 +229,14 @@ MODULE_DEVICE_TABLE(of, brcmstb_pwm_of_match); static int brcmstb_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct brcmstb_pwm *p; int ret; - p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL); - if (!p) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 2, sizeof(*p)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + p = to_brcmstb_pwm(chip); p->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(p->clk)) @@ -244,15 +245,13 @@ static int brcmstb_pwm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, p); - p->chip.dev = &pdev->dev; - p->chip.ops = &brcmstb_pwm_ops; - p->chip.npwm = 2; + chip->ops = &brcmstb_pwm_ops; p->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(p->base)) return PTR_ERR(p->base); - ret = devm_pwmchip_add(&pdev->dev, &p->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret) return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n"); |