linux-kernel - [PATCH 14/34] drm/exynos: mic: convert to devm_drm_bridge

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Message-Id: <20250407-drm-bridge-convert-to-alloc-api-v1-14-42113ff8d9c0@bootlin.com>
Date: Mon, 07 Apr 2025 16:23:29 +0200
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Douglas Anderson <dianders@...omium.org>, 
 Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Anusha Srivatsa <asrivats@...hat.com>, 
 Paul Kocialkowski <paulk@...-base.io>, Dmitry Baryshkov <lumag@...nel.org>, 
 Hervé Codina <herve.codina@...tlin.com>, 
 Hui Pu <Hui.Pu@...ealthcare.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 dri-devel@...ts.freedesktop.org, asahi@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, chrome-platform@...ts.linux.dev, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 linux-renesas-soc@...r.kernel.org, platform-driver-x86@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 freedreno@...ts.freedesktop.org, linux-stm32@...md-mailman.stormreply.com, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>, 
 Alim Akhtar <alim.akhtar@...sung.com>, Inki Dae <inki.dae@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, 
 Seung-Woo Kim <sw0312.kim@...sung.com>
Subject: [PATCH 14/34] drm/exynos: mic: convert to devm_drm_bridge_alloc()
 API

This is the new API for allocating DRM bridges.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

---

Cc: Alim Akhtar <alim.akhtar@...sung.com>
Cc: Inki Dae <inki.dae@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Seung-Woo Kim <sw0312.kim@...sung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_mic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index b34ec67283370e3fa836c7df06e12e2fba524622..29a8366513fa70655c6ceec9a09db0158e7bb169 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -379,11 +379,11 @@ static int exynos_mic_probe(struct platform_device *pdev)
 	struct resource res;
 	int ret, i;
 
-	mic = devm_kzalloc(dev, sizeof(*mic), GFP_KERNEL);
-	if (!mic) {
+	mic = devm_drm_bridge_alloc(dev, struct exynos_mic, bridge, &mic_bridge_funcs);
+	if (IS_ERR(mic)) {
 		DRM_DEV_ERROR(dev,
 			      "mic: Failed to allocate memory for MIC object\n");
-		ret = -ENOMEM;
+		ret = PTR_ERR(mic);
 		goto err;
 	}
 
@@ -421,7 +421,6 @@ static int exynos_mic_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, mic);
 
-	mic->bridge.funcs = &mic_bridge_funcs;
 	mic->bridge.of_node = dev->of_node;
 
 	drm_bridge_add(&mic->bridge);

-- 
2.49.0