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From: Luca Ceresoli <luca.ceresoli@bootlin.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>,
	 Andrzej Hajda <andrzej.hajda@intel.com>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	 Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	 Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	 Jagan Teki <jagan@amarulasolutions.com>,
	Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Fabio Estevam <festevam@gmail.com>,
	 Douglas Anderson <dianders@chromium.org>,
	 Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	 Krzysztof Kozlowski <krzk@kernel.org>,
	 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: "Anusha Srivatsa" <asrivats@redhat.com>,
	"Paul Kocialkowski" <paulk@sys-base.io>,
	"Dmitry Baryshkov" <lumag@kernel.org>,
	"Hervé Codina" <herve.codina@bootlin.com>,
	"Hui Pu" <Hui.Pu@gehealthcare.com>,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	dri-devel@lists.freedesktop.org, asahi@lists.linux.dev,
	linux-kernel@vger.kernel.org, chrome-platform@lists.linux.dev,
	imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-amlogic@lists.infradead.org,
	linux-renesas-soc@vger.kernel.org,
	platform-driver-x86@vger.kernel.org,
	linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	freedreno@lists.freedesktop.org,
	linux-stm32@st-md-mailman.stormreply.com,
	"Luca Ceresoli" <luca.ceresoli@bootlin.com>,
	"Tomi Valkeinen" <tomi.valkeinen@ideasonboard.com>
Subject: [PATCH 22/34] drm/omap: dss: hdmi5: convert to devm_drm_bridge_alloc() API
Date: Mon, 07 Apr 2025 16:23:37 +0200	[thread overview]
Message-ID: <20250407-drm-bridge-convert-to-alloc-api-v1-22-42113ff8d9c0@bootlin.com> (raw)
In-Reply-To: <20250407-drm-bridge-convert-to-alloc-api-v1-0-42113ff8d9c0@bootlin.com>

This is the new API for allocating DRM bridges.

Switching from a non-devm to a devm allocation allows removing the kfree()
in the remove function and in the probe error management code, and as a
consequence to simplify the code flow by removing now unnecessary gotos.

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

---

Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/gpu/drm/omapdrm/dss/hdmi5.c | 26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index 0c98444d39a93d8336b4d8dbd45aa4521181c3b4..5636b3dfec1c9581118b20adecd268c03e882efb 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -480,7 +480,6 @@ static const struct drm_bridge_funcs hdmi5_bridge_funcs = {
 
 static void hdmi5_bridge_init(struct omap_hdmi *hdmi)
 {
-	hdmi->bridge.funcs = &hdmi5_bridge_funcs;
 	hdmi->bridge.of_node = hdmi->pdev->dev.of_node;
 	hdmi->bridge.ops = DRM_BRIDGE_OP_EDID;
 	hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
@@ -727,9 +726,9 @@ static int hdmi5_probe(struct platform_device *pdev)
 	int irq;
 	int r;
 
-	hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
-	if (!hdmi)
-		return -ENOMEM;
+	hdmi = devm_drm_bridge_alloc(&pdev->dev, struct omap_hdmi, bridge, &hdmi5_bridge_funcs);
+	if (IS_ERR(hdmi))
+		return PTR_ERR(hdmi);
 
 	hdmi->pdev = pdev;
 
@@ -740,25 +739,24 @@ static int hdmi5_probe(struct platform_device *pdev)
 
 	r = hdmi5_probe_of(hdmi);
 	if (r)
-		goto err_free;
+		return r;
 
 	r = hdmi_wp_init(pdev, &hdmi->wp, 5);
 	if (r)
-		goto err_free;
+		return r;
 
 	r = hdmi_phy_init(pdev, &hdmi->phy, 5);
 	if (r)
-		goto err_free;
+		return r;
 
 	r = hdmi5_core_init(pdev, &hdmi->core);
 	if (r)
-		goto err_free;
+		return r;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		DSSERR("platform_get_irq failed\n");
-		r = -ENODEV;
-		goto err_free;
+		return -ENODEV;
 	}
 
 	r = devm_request_threaded_irq(&pdev->dev, irq,
@@ -766,7 +764,7 @@ static int hdmi5_probe(struct platform_device *pdev)
 			IRQF_ONESHOT, "OMAP HDMI", hdmi);
 	if (r) {
 		DSSERR("HDMI IRQ request failed\n");
-		goto err_free;
+		return r;
 	}
 
 	hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda");
@@ -774,7 +772,7 @@ static int hdmi5_probe(struct platform_device *pdev)
 		r = PTR_ERR(hdmi->vdda_reg);
 		if (r != -EPROBE_DEFER)
 			DSSERR("can't get VDDA regulator\n");
-		goto err_free;
+		return r;
 	}
 
 	pm_runtime_enable(&pdev->dev);
@@ -793,8 +791,6 @@ static int hdmi5_probe(struct platform_device *pdev)
 	hdmi5_uninit_output(hdmi);
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-err_free:
-	kfree(hdmi);
 	return r;
 }
 
@@ -807,8 +803,6 @@ static void hdmi5_remove(struct platform_device *pdev)
 	hdmi5_uninit_output(hdmi);
 
 	pm_runtime_disable(&pdev->dev);
-
-	kfree(hdmi);
 }
 
 static const struct of_device_id hdmi_of_match[] = {

-- 
2.49.0


  parent reply	other threads:[~2025-04-07 14:25 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-07 14:23 [PATCH 00/34] drm: convert all bridges to devm_drm_bridge_alloc() Luca Ceresoli
2025-04-07 14:23 ` [PATCH 01/34] drm: convert many bridge drivers from devm_kzalloc() to devm_drm_bridge_alloc() API Luca Ceresoli
2025-05-25 12:58   ` Adam Ford
2025-04-07 14:23 ` [PATCH 02/34] platform: arm64: acer-aspire1-ec: convert " Luca Ceresoli
2025-04-07 16:46   ` Ilpo Järvinen
2025-04-07 19:27     ` Luca Ceresoli
2025-04-07 14:23 ` [PATCH 03/34] drm/bridge: analogix-anx6345: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 04/34] drm/bridge: anx7625: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 05/34] drm/bridge: cdns-dsi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 06/34] drm/bridge: display-connector: " Luca Ceresoli
2025-04-08 12:06   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 07/34] drm/bridge: lt9611uxc: " Luca Ceresoli
2025-04-08 12:07   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 08/34] drm/bridge: megachips-stdpxxxx-ge-b850v3-fw: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 09/34] drm/bridge: nxp-ptn3460: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 10/34] drm/bridge: sii902x: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 11/34] drm/bridge: dw-hdmi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 12/34] drm/bridge: tda998x: " Luca Ceresoli
2025-04-08 12:07   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 13/34] drm/bridge: ti-sn65dsi86: " Luca Ceresoli
2025-04-07 15:25   ` Herve Codina
2025-04-07 14:23 ` [PATCH 14/34] drm/exynos: mic: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 15/34] drm/mcde: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 16/34] drm/msm/dp: " Luca Ceresoli
2025-04-08 11:59   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 17/34] drm/msm/dsi: " Luca Ceresoli
2025-04-08 11:59   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 18/34] drm/msm/hdmi: " Luca Ceresoli
2025-04-08 11:59   ` Dmitry Baryshkov
2025-04-07 14:23 ` [PATCH 19/34] drm/omap: dss: dpi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 20/34] drm/omap: dss: dsi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 21/34] drm/omap: dss: hdmi4: " Luca Ceresoli
2025-04-07 14:23 ` Luca Ceresoli [this message]
2025-04-07 14:23 ` [PATCH 23/34] drm/omap: dss: sdi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 24/34] drm/omap: dss: venc: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 25/34] drm/rcar-du: dsi: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 26/34] drm/bridge: stm_lvds: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 27/34] drm/vc4: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 28/34] drm/sti: dvo: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 29/34] drm: zynqmp_dp: " Luca Ceresoli
2025-04-16 12:26   ` Tomi Valkeinen
2025-04-16 12:31   ` Tomi Valkeinen
2025-04-24 11:28     ` Luca Ceresoli
2025-04-07 14:23 ` [PATCH 30/34] drm/bridge: imx8qxp-pixel-combiner: " Luca Ceresoli
2025-04-07 14:23 ` [PATCH 31/34] drm/bridge: imx8*-ldb: " Luca Ceresoli
2025-04-07 15:24 ` [PATCH 32/34] drm/bridge: tc358767: " Luca Ceresoli
2025-04-07 15:27 ` [PATCH 33/34] drm/bridge: add devm_drm_put_bridge() Luca Ceresoli
2025-04-07 15:27 ` [PATCH 34/34] drm/bridge: panel: convert to devm_drm_bridge_alloc() API Luca Ceresoli
2025-04-08 15:51   ` Maxime Ripard
2025-04-24 15:18     ` Luca Ceresoli

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