linux-kernel - [PATCH] drm/bridge: ti-sn65dsi83: switch to devm_drm_of_get

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Message-Id: <20220228183724.25030-1-jose.exposito89@gmail.com>
Date:   Mon, 28 Feb 2022 19:37:24 +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: ti-sn65dsi83: 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/ti-sn65dsi83.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index 945f08de45f1..91cc00b66d3c 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -552,8 +552,6 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
 	struct drm_bridge *panel_bridge;
 	struct device *dev = ctx->dev;
 	struct device_node *endpoint;
-	struct drm_panel *panel;
-	int ret;
 
 	endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, 0);
 	ctx->dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes");
@@ -588,14 +586,9 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
 		}
 	}
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &panel, &panel_bridge);
-	if (ret < 0)
-		return ret;
-	if (panel) {
-		panel_bridge = devm_drm_panel_bridge_add(dev, panel);
-		if (IS_ERR(panel_bridge))
-			return PTR_ERR(panel_bridge);
-	}
+	panel_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 2, 0);
+	if (IS_ERR(panel_bridge))
+		return PTR_ERR(panel_bridge);
 
 	ctx->panel_bridge = panel_bridge;
 
-- 
2.25.1