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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220214020530.1714631-1-chi.minghao@zte.com.cn>
Date:   Mon, 14 Feb 2022 02:05:30 +0000
From:   cgel.zte@...il.com
To:     emma@...olt.net
Cc:     mripard@...nel.org, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        "Minghao Chi (CGEL ZTE)" <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] drm/vc4: Use of_device_get_match_data()

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

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>
---
 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 9300d3354c51..752f921735c6 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);
-- 
2.25.1