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

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Message-Id: <20220228182226.21888-1-jose.exposito89@gmail.com>
Date:   Mon, 28 Feb 2022 19:22:26 +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,
        p.zabel@...gutronix.de, maxime@...no.tech,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        José Expósito <jose.exposito89@...il.com>
Subject: [PATCH] drm/bridge: nwl-dsi: 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/nwl-dsi.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index af07eeb47ca0..df3be9dd24fb 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -909,19 +909,12 @@ static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
 {
 	struct nwl_dsi *dsi = bridge_to_dsi(bridge);
 	struct drm_bridge *panel_bridge;
-	struct drm_panel *panel;
-	int ret;
 
-	ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel,
-					  &panel_bridge);
-	if (ret)
-		return ret;
+	panel_bridge = devm_drm_of_get_bridge(dsi->dev, dsi->dev->of_node,
+					      1, 0);
+	if (IS_ERR(panel_bridge))
+		return PTR_ERR(panel_bridge);
 
-	if (panel) {
-		panel_bridge = drm_panel_bridge_add(panel);
-		if (IS_ERR(panel_bridge))
-			return PTR_ERR(panel_bridge);
-	}
 	dsi->panel_bridge = panel_bridge;
 
 	if (!dsi->panel_bridge)
-- 
2.25.1