diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:32:02 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 11:04:12 +0100 |
| commit | ad0828825e71cfe249cc76136171b7f42fd22f22 (patch) | |
| tree | 8c0edc0a069bfea6894f4acdb5666d64ac20a4a4 /drivers/pwm | |
| parent | f580fa6c842b95e328edd9639e5f0567ff4fdf19 (diff) | |
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.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/a70bf253dc41c61d9b901423710c97f235e372c3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -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..bafd6b6195f6 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, @@ -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"); |