diff mbox series

[2/5] pinctrl: mediatek: common-v1: Add common probe function

Message ID 20220210141931.291712-3-angelogioacchino.delregno@collabora.com (mailing list archive)
State New, archived
Headers show
Series MediaTek pinctrl drivers cleanups | expand

Commit Message

AngeloGioacchino Del Regno Feb. 10, 2022, 2:19 p.m. UTC
As a preparation to cleanup the probe mechanism of mediatek pinctrl
drivers that are using the v1 controller, add a common probe function
to this driver.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 11 +++++++++++
 drivers/pinctrl/mediatek/pinctrl-mtk-common.h |  2 ++
 2 files changed, 13 insertions(+)

Comments

Chen-Yu Tsai Feb. 21, 2022, 4:33 a.m. UTC | #1
On Thu, Feb 10, 2022 at 10:20 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com> wrote:
>
> As a preparation to cleanup the probe mechanism of mediatek pinctrl
> drivers that are using the v1 controller, add a common probe function
> to this driver.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>

but

> ---
>  drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 11 +++++++++++
>  drivers/pinctrl/mediatek/pinctrl-mtk-common.h |  2 ++
>  2 files changed, 13 insertions(+)
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> index 6f8dfa6ae5a0..007da39b68c9 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> @@ -1115,3 +1115,14 @@ int mtk_pctrl_init(struct platform_device *pdev,
>         gpiochip_remove(pctl->chip);
>         return ret;
>  }
> +
> +int mtk_pctrl_common_probe(struct platform_device *pdev)
> +{
> +       struct device *dev = &pdev->dev;
> +       const struct mtk_pinctrl_devdata *data = device_get_match_data(dev);
> +
> +       if (!data)
> +               return -ENOENT;

This is probably bikeshedding, but it seems most other drivers use -ENODEV
or -EINVAL. -ENOENT is seldomly used in this context.

ChenYu
diff mbox series

Patch

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 6f8dfa6ae5a0..007da39b68c9 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1115,3 +1115,14 @@  int mtk_pctrl_init(struct platform_device *pdev,
 	gpiochip_remove(pctl->chip);
 	return ret;
 }
+
+int mtk_pctrl_common_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	const struct mtk_pinctrl_devdata *data = device_get_match_data(dev);
+
+	if (!data)
+		return -ENOENT;
+
+	return mtk_pctrl_init(pdev, data, NULL);
+}
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common.h
index 98f27cdc609a..cd264cc3547b 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.h
@@ -277,6 +277,8 @@  int mtk_pctrl_init(struct platform_device *pdev,
 		const struct mtk_pinctrl_devdata *data,
 		struct regmap *regmap);
 
+int mtk_pctrl_common_probe(struct platform_device *pdev);
+
 int mtk_pctrl_spec_pull_set_samereg(struct regmap *regmap,
 		const struct mtk_pin_spec_pupd_set_samereg *pupd_infos,
 		unsigned int info_num, unsigned int pin,