linux-kernel - [PATCH 5.15 298/779] drm/vc4: Use of_device_get_match

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Date:   Mon, 15 Aug 2022 19:59:02 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zeal Robot <zealci@....com.cn>,
        "Minghao Chi (CGEL ZTE)" <chi.minghao@....com.cn>,
        Maxime Ripard <maxime@...no.tech>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 298/779] drm/vc4: Use of_device_get_match_data()

From: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>

[ Upstream commit 9cbe89ede58294d23af06ec12c20f2ce6acc1892 ]

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>
Signed-off-by: Maxime Ripard <maxime@...no.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214020530.1714631-1-chi.minghao@zte.com.cn
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/vc4/vc4_dsi.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 64dfefeb03f5..98308a17e4ed 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -1493,15 +1493,10 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
 	struct drm_device *drm = dev_get_drvdata(master);
 	struct vc4_dsi *dsi = dev_get_drvdata(dev);
 	struct vc4_dsi_encoder *vc4_dsi_encoder;
-	const struct of_device_id *match;
 	dma_cap_mask_t dma_mask;
 	int ret;
 
-	match = of_match_device(vc4_dsi_dt_match, dev);
-	if (!match)
-		return -ENODEV;
-
-	dsi->variant = match->data;
+	dsi->variant = of_device_get_match_data(dev);
 
 	vc4_dsi_encoder = devm_kzalloc(dev, sizeof(*vc4_dsi_encoder),
 				       GFP_KERNEL);
-- 
2.35.1