linux-kernel - [PATCH 3/4] drm: malidp: Replace custom compare_dev with component_compare

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Message-ID: <20250331173124559aCNI8BfX0ay0U5wryryME@zte.com.cn>
Date: Mon, 31 Mar 2025 17:31:24 +0800 (CST)
From: <shao.mingyin@....com.cn>
To: <j@...nau.net>, <liviu.dudau@....com>, <chunkuang.hu@...nel.org>
Cc: <fnkl.kernel@...il.com>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <airlied@...il.com>,
        <simona@...ll.ch>, <dri-devel@...ts.freedesktop.org>,
        <asahi@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
        <p.zabel@...gutronix.de>, <matthias.bgg@...il.com>,
        <angelogioacchino.delregno@...labora.com>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>, <yang.yang29@....com.cn>,
        <xu.xin16@....com.cn>, <ye.xingchen@....com.cn>,
        <tang.dongxing@....com.cn>
Subject: [PATCH 3/4] drm: malidp: Replace custom compare_dev with component_compare_of

From: Tang Dongxing <tang.dongxing@....com.cn>

Remove the custom device comparison function compare_dev and replace it
with the existing kernel helper component_compare_of

Signed-off-by: Tang Dongxing <tang.dongxing@....com.cn>
Signed-off-by: Shao Mingyin <shao.mingyin@....com.cn>
---
 drivers/gpu/drm/arm/malidp_drv.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index e083021e9e99..e2e6fd1f64b0 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -910,13 +910,6 @@ static const struct component_master_ops malidp_master_ops = {
 	.unbind = malidp_unbind,
 };

-static int malidp_compare_dev(struct device *dev, void *data)
-{
-	struct device_node *np = data;
-
-	return dev->of_node == np;
-}
-
 static int malidp_platform_probe(struct platform_device *pdev)
 {
 	struct device_node *port;
@@ -930,7 +923,7 @@ static int malidp_platform_probe(struct platform_device *pdev)
 	if (!port)
 		return -ENODEV;

-	drm_of_component_match_add(&pdev->dev, &match, malidp_compare_dev,
+	drm_of_component_match_add(&pdev->dev, &match, component_compare_of,
 				   port);
 	of_node_put(port);
 	return component_master_add_with_match(&pdev->dev, &malidp_master_ops,
-- 
2.25.1