linux-kernel - [PATCH] drm/bridge: anx7625: switch to devm_drm_of_get

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Message-Id: <20220221072835.10032-1-jose.exposito89@gmail.com>
Date:   Mon, 21 Feb 2022 08:28:35 +0100
From:   José Expósito <jose.exposito89@...il.com>
To:     andrzej.hajda@...el.com
Cc:     narmstrong@...libre.com, robert.foss@...aro.org,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...il.com, airlied@...ux.ie, daniel@...ll.ch,
        maxime@...no.tech, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        José Expósito <jose.exposito89@...il.com>
Subject: [PATCH] drm/bridge: anx7625: switch to devm_drm_of_get_bridge

The function "drm_of_find_panel_or_bridge" has been deprecated in
favor of "devm_drm_of_get_bridge".

Switch to the new function and reduce boilerplate.

Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 2346dbcc505f..dfeb800751d5 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1333,8 +1333,6 @@ static int anx7625_parse_dt(struct device *dev,
 			    struct anx7625_platform_data *pdata)
 {
 	struct device_node *np = dev->of_node, *ep0;
-	struct drm_panel *panel;
-	int ret;
 	int bus_type, mipi_lanes;
 
 	anx7625_get_swing_setting(dev, pdata);
@@ -1371,18 +1369,14 @@ static int anx7625_parse_dt(struct device *dev,
 	if (of_property_read_bool(np, "analogix,audio-enable"))
 		pdata->audio_en = 1;
 
-	ret = drm_of_find_panel_or_bridge(np, 1, 0, &panel, NULL);
-	if (ret < 0) {
-		if (ret == -ENODEV)
+	pdata->panel_bridge = devm_drm_of_get_bridge(dev, np, 1, 0);
+	if (IS_ERR(pdata->panel_bridge)) {
+		if (PTR_ERR(pdata->panel_bridge) == -ENODEV)
 			return 0;
-		return ret;
-	}
-	if (!panel)
-		return -ENODEV;
 
-	pdata->panel_bridge = devm_drm_panel_bridge_add(dev, panel);
-	if (IS_ERR(pdata->panel_bridge))
 		return PTR_ERR(pdata->panel_bridge);
+	}
+
 	DRM_DEV_DEBUG_DRIVER(dev, "get panel node.\n");
 
 	return 0;
-- 
2.25.1