From patchwork Mon Apr 7 14:23:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 14040839 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E2361FF610; Mon, 7 Apr 2025 14:25:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.199 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744035914; cv=none; b=NhjvtnATKp9+1LJhIRQ3N02RTwhEEjiBGIN4kBv19v28BU+Q2uKcY3Q8nBRLjKXzj2Eze7E3l9AZ5r5Nw8LiqbdemrbJGopIHoL3X8kGte/5VG8ojElZx2FXmP0RfZeq7IIUA0GWxKRNHQ5Z1HU5DHJ0QQ7NY5QZC1boCPAWNO0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744035914; c=relaxed/simple; bh=vl60lS2778JvwMCV2jLiYdxpmbXzOA5yssjilAqc57Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=KEnm2iTeqwgiccyTQh2qcbEZL8XWPZEYhkm3KKVybXzfbd8LXthcDFfaulvpTR3Uib+oM+IKIZwhA+8DIMSYPNjhOPxh2gSm10cJK9vA9PqkxhoOT6bp6vaaVji4Kj1b9kobr3WXN3JziRysQv3n0EhyV85N7zur9rsNc/PQNhY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=nKyegbdN; arc=none smtp.client-ip=217.70.183.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="nKyegbdN" Received: by mail.gandi.net (Postfix) with ESMTPSA id BBAE3443B2; Mon, 7 Apr 2025 14:25:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1744035910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9+BYFVcRDiQgQH/nZjjYWzU/YP4kTmfchyC/pK/sOu4=; b=nKyegbdNaqF37YXQ6CYfrjoyhLEZTA1GUcGksOo+M3WC6+e/MVsxaL7alFmiCcn018TVxK 1xQgKGvjqeldKR79qBQZO+CrUTkOvddMQBz0GWfcPULA5KskY2QhdFUETxi9nKXR4UjZ/B igEtmYREglv28eFedWqkYhVdcmqzmDzOMLaIoiD5RfdFt5A/yBCsFUO0PleExW9kj66ahJ mRkspO/+jgknYEgs8qVzYmDbTVJkQ29IWxEJqIHRn0JP1eKSEJFMTRuOro2iZFUV3Px0PD fhSqg9OAntEjx/ifPhdlejWA0NGlAsbbrWcLVrcHJUUEPUoaFs/mCoNynH3/Nw== From: Luca Ceresoli Date: Mon, 07 Apr 2025 16:23:37 +0200 Subject: [PATCH 22/34] drm/omap: dss: hdmi5: convert to devm_drm_bridge_alloc() API Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250407-drm-bridge-convert-to-alloc-api-v1-22-42113ff8d9c0@bootlin.com> References: <20250407-drm-bridge-convert-to-alloc-api-v1-0-42113ff8d9c0@bootlin.com> In-Reply-To: <20250407-drm-bridge-convert-to-alloc-api-v1-0-42113ff8d9c0@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Jagan Teki , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Douglas Anderson , Chun-Kuang Hu , Krzysztof Kozlowski , Dmitry Baryshkov Cc: Anusha Srivatsa , Paul Kocialkowski , Dmitry Baryshkov , =?utf-8?q?Herv=C3=A9_Codina?= , Hui Pu , Thomas Petazzoni , 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 , Tomi Valkeinen X-Mailer: b4 0.14.2 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvtddtgedvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepnfhutggrucevvghrvghsohhlihcuoehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeiieeuvdfftefgueduleehueetgffgjeeitedtteetkeeuueeuueekveevvdeuveenucfkphepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgenucevlhhushhtvghrufhiiigvpedukeenucfrrghrrghmpehinhgvthepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgdphhgvlhhopegludelvddrudeikedrudejkedrjeehngdpmhgrihhlfhhrohhmpehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeegvddprhgtphhtthhopehhvghrvhgvrdgtohguihhnrgessghoohhtlhhinhdrtghomhdprhgtphhtthhopehlihhnuhigqdhmvgguihgrthgvkheslhhishhtshdrihhnfhhrrgguvggrugdrohhrghdprhgtphhtthhopehshhgrfihnghhuoheskhgvr hhnvghlrdhorhhgpdhrtghpthhtohepjfhuihdrrfhusehgvghhvggrlhhthhgtrghrvgdrtghomhdprhgtphhtthhopehkvghrnhgvlhesphgvnhhguhhtrhhonhhigidruggvpdhrtghpthhtohepshhimhhonhgrsehffhiflhhlrdgthhdprhgtphhtthhopehrfhhoshhssehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrnhgurhiivghjrdhhrghjuggrsehinhhtvghlrdgtohhm X-GND-Sasl: luca.ceresoli@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 --- Cc: Tomi Valkeinen --- 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[] = {