[PATCH 2/5] pinctrl: mediatek: common-v1: Add common probe function
Chen-Yu Tsai
wenst at chromium.org
Sun Feb 20 20:33:22 PST 2022
On Thu, Feb 10, 2022 at 10:20 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno at 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 at collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst at 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
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