linux-kernel - [PATCH v2 3/6] drm/mediatek: mtk_dpi: Switch to devm_drm_of_get

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Message-Id: <20230719075056.72178-4-angelogioacchino.delregno@collabora.com>
Date:   Wed, 19 Jul 2023 09:50:53 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     chunkuang.hu@...nel.org
Cc:     p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
        matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com,
        fshao@...omium.org
Subject: [PATCH v2 3/6] drm/mediatek: mtk_dpi: Switch to devm_drm_of_get_bridge()

Function drm_of_find_panel_or_bridge() is marked as deprecated: since
the usage of that in this driver exactly corresponds to the new function
devm_drm_of_get_bridge(), switch to it.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Fei Shao <fshao@...omium.org>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 03a2b900bb50..e9c5a0f44537 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -1063,10 +1063,10 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	if (dpi->irq <= 0)
 		return -EINVAL;
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
-					  NULL, &dpi->next_bridge);
-	if (ret)
-		return ret;
+	dpi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);
+	if (IS_ERR(dpi->next_bridge))
+		return dev_err_probe(dev, PTR_ERR(dpi->next_bridge),
+				     "Failed to get bridge\n");
 
 	dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node);
 
@@ -1089,8 +1089,6 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 
 static int mtk_dpi_remove(struct platform_device *pdev)
 {
-	struct mtk_dpi *dpi = platform_get_drvdata(pdev);
-
 	component_del(&pdev->dev, &mtk_dpi_component_ops);
 
 	return 0;
-- 
2.40.1