linux-kernel - [PATCH V5 10/16] clk: mediatek: reset: Add reset support for simple probe

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Message-ID: <20220428115620.13512-11-rex-bc.chen@mediatek.com>
Date:   Thu, 28 Apr 2022 19:56:13 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <p.zabel@...gutronix.de>,
        <angelogioacchino.delregno@...labora.com>,
        <chun-jie.chen@...iatek.com>, <wenst@...omium.org>,
        <runyang.chen@...iatek.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>
Subject: [PATCH V5 10/16] clk: mediatek: reset: Add reset support for simple probe

- Add a pointer of "mtk_clk_rst_desc" to "mtk_clk_desc".
- Add register reset with device function in mtk_clk_simple_probe().

Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/clk/mediatek/clk-mtk.c | 7 +++++++
 drivers/clk/mediatek/clk-mtk.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index b4063261cf56..2c72e5839d50 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -453,6 +453,13 @@ int mtk_clk_simple_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, clk_data);
 
+	if (mcd->rst_desc) {
+		r = mtk_register_reset_controller_with_dev(&pdev->dev,
+							   mcd->rst_desc);
+		if (r)
+			goto unregister_clks;
+	}
+
 	return r;
 
 unregister_clks:
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index a6d0f24c62fa..2c7800bcb1a2 100644
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -195,6 +195,7 @@ struct clk *mtk_clk_register_ref2usb_tx(const char *name,
 struct mtk_clk_desc {
 	const struct mtk_gate *clks;
 	size_t num_clks;
+	const struct mtk_clk_rst_desc *rst_desc;
 };
 
 int mtk_clk_simple_probe(struct platform_device *pdev);
-- 
2.18.0