diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-07-27 20:41:20 +0200 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-10-12 12:36:48 +0200 |
| commit | c883cdaeaf3a67e574db8089125c3a2b402338a6 (patch) | |
| tree | 701d2b7ab8990de502e98e882db70e51cc3702ad | |
| parent | fe6d324aed7382bec63730c290272226470d2154 (diff) | |
| download | linux-c883cdaeaf3a67e574db8089125c3a2b402338a6.tar.gz linux-c883cdaeaf3a67e574db8089125c3a2b402338a6.tar.xz | |
pwm: mtk-disp: Make use of devm_pwmchip_alloc() function
This prepares the pwm-mtk-disp 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.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| -rw-r--r-- | drivers/pwm/pwm-mtk-disp.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 186aa5c04435..bf8e2a520982 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_priv(chip); } static void mtk_disp_pwm_update_bits(struct mtk_disp_pwm *mdp, u32 offset, @@ -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"); |