diff options
Diffstat (limited to 'drivers/pwm/pwm-mtk-disp.c')
| -rw-r--r-- | drivers/pwm/pwm-mtk-disp.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index a72f7be369..bafd6b6195 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -42,7 +42,6 @@ struct mtk_pwm_data { }; struct mtk_disp_pwm { - struct pwm_chip chip; const struct mtk_pwm_data *data; struct clk *clk_main; struct clk *clk_mm; @@ -52,7 +51,7 @@ struct mtk_disp_pwm { static inline struct mtk_disp_pwm *to_mtk_disp_pwm(struct pwm_chip *chip) { - return container_of(chip, struct mtk_disp_pwm, chip); + return pwmchip_get_drvdata(chip); } static void mtk_disp_pwm_update_bits(struct mtk_disp_pwm *mdp, u32 offset, @@ -91,14 +90,14 @@ static int mtk_disp_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (!mdp->enabled) { err = clk_prepare_enable(mdp->clk_main); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", + dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); return err; } err = clk_prepare_enable(mdp->clk_mm); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", + dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); clk_disable_unprepare(mdp->clk_main); return err; @@ -181,13 +180,13 @@ static int mtk_disp_pwm_get_state(struct pwm_chip *chip, err = clk_prepare_enable(mdp->clk_main); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); + dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); return err; } err = clk_prepare_enable(mdp->clk_mm); if (err < 0) { - dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); + dev_err(pwmchip_parent(chip), "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); clk_disable_unprepare(mdp->clk_main); return err; } @@ -231,12 +230,14 @@ static const struct pwm_ops mtk_disp_pwm_ops = { static int mtk_disp_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct mtk_disp_pwm *mdp; int ret; - mdp = devm_kzalloc(&pdev->dev, sizeof(*mdp), GFP_KERNEL); - if (!mdp) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*mdp)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + mdp = to_mtk_disp_pwm(chip); mdp->data = of_device_get_match_data(&pdev->dev); @@ -254,11 +255,9 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(mdp->clk_mm), "Failed to get mm clock\n"); - mdp->chip.dev = &pdev->dev; - mdp->chip.ops = &mtk_disp_pwm_ops; - mdp->chip.npwm = 1; + chip->ops = &mtk_disp_pwm_ops; - ret = devm_pwmchip_add(&pdev->dev, &mdp->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret < 0) return dev_err_probe(&pdev->dev, ret, "pwmchip_add() failed\n"); |