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

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Message-Id: <20220210141931.291712-3-angelogioacchino.delregno@collabora.com>
Date:   Thu, 10 Feb 2022 15:19:28 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     sean.wang@...nel.org
Cc:     linus.walleij@...aro.org, matthias.bgg@...il.com,
        linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 2/5] pinctrl: mediatek: common-v1: Add common probe function

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@...labora.com>
---
 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;
+
+	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,
-- 
2.33.1