From patchwork Fri Sep 10 10:12:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 12484745 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55C2AC433EF for ; Fri, 10 Sep 2021 10:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FCBE6108B for ; Fri, 10 Sep 2021 10:13:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232525AbhIJKPA (ORCPT ); Fri, 10 Sep 2021 06:15:00 -0400 Received: from wnew4-smtp.messagingengine.com ([64.147.123.18]:56529 "EHLO wnew4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232613AbhIJKOx (ORCPT ); Fri, 10 Sep 2021 06:14:53 -0400 Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.west.internal (Postfix) with ESMTP id F2E7A2B013DF; Fri, 10 Sep 2021 06:13:39 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Fri, 10 Sep 2021 06:13:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=hWUbssSfCvqRA Kay+bkeStkUSFLI0CXLVu9IaDJimgs=; b=RIdpKnKI6aBGDalgfRiQEFGYsXU6T WSAISNpOw+vmAd5SY+XolEn8sBZH799gBtbKTTfmUhUD6ZHo97RgwMOBZHL/LbZL MOLBOfAsKRvwjnTR+tNEZzdT1/vJBM6sc0CxpMC9dHB6QNKMY0Y30kzN3dvwKfLa gIGIGyciXxJtdQZFQI/I1hvWheBrV2jokVHkCG/d+xECZ8AcHGcKcaB8nN5wkAnL B7eiHrISxUeqcdBYxs4ZRx2uMLQ47Tc7uYQPrjSSQfg7RHZRRpHqVB8AtpttRp/P krDW1KzEXKO9CPugnu+dNzEnwIOVTn5RAKeGvOyKyZG1HtqzhP0+Tznbw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=hWUbssSfCvqRAKay+bkeStkUSFLI0CXLVu9IaDJimgs=; b=WzP4QejH b6/13OiY4m1RrAbi0cMHTeLM7hJtvcK2RxN3FZahyB0TCbQ9U1xyj5x5nQEffcP+ zNgl/lMC5H3w+hlORepB04RybHm3W6d+MtUd42gbQczew2EE78442w3Xiu1zzMyI 6+o2P+FeEfpsZvB3Cs9NxMq3+jOWfjIFY/gsnmkVlogMW06ighEoajXYy+Y1TT/m s9gRWGexZumk+eSIPOKznvYWabVQUXgnisHEdcUU/SacxgtDpsXy6iLDbrmY8rIJ 4WhRVgd3f2GAAsuUOF2x6JaVgg2fF69iWri50GLEdA2+aeauSazkOZor+aZZp1Ut tH+OB/WNLkcF7w== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudeguddgvdegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpehmrghilhhfrhhomhepmh grgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 10 Sep 2021 06:13:38 -0400 (EDT) From: Maxime Ripard To: Andrzej Hajda , Sam Ravnborg , Daniel Vetter , David Airlie , Jonas Karlman , Laurent Pinchart , Thierry Reding , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , Neil Armstrong , Robert Foss , Jernej Skrabec Cc: Sean Paul , freedreno@lists.freedesktop.org, Kyungmin Park , linux-kernel@vger.kernel.org, Xinliang Liu , Seung-Woo Kim , Tian Tao , Inki Dae , linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rob Clark , dri-devel@lists.freedesktop.org, John Stultz , Chen Feng , Xinwei Kong , Joonyoung Shim Subject: [PATCH v4 13/24] drm/bridge: lt9611uxc: Switch to devm MIPI-DSI helpers Date: Fri, 10 Sep 2021 12:12:07 +0200 Message-Id: <20210910101218.1632297-14-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210910101218.1632297-1-maxime@cerno.tech> References: <20210910101218.1632297-1-maxime@cerno.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Let's switch to the new devm MIPI-DSI function to register and attach our secondary device. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 38 +++++----------------- 1 file changed, 8 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 3cac16db970f..e5083bdf4c89 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -257,17 +257,18 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc, const struct mipi_dsi_device_info info = { "lt9611uxc", 0, NULL }; struct mipi_dsi_device *dsi; struct mipi_dsi_host *host; + struct device *dev = lt9611uxc->dev; int ret; host = of_find_mipi_dsi_host_by_node(dsi_node); if (!host) { - dev_err(lt9611uxc->dev, "failed to find dsi host\n"); + dev_err(dev, "failed to find dsi host\n"); return ERR_PTR(-EPROBE_DEFER); } - dsi = mipi_dsi_device_register_full(host, &info); + dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) { - dev_err(lt9611uxc->dev, "failed to create dsi device\n"); + dev_err(dev, "failed to create dsi device\n"); return dsi; } @@ -276,10 +277,9 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc, dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_HSE; - ret = mipi_dsi_attach(dsi); + ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { - dev_err(lt9611uxc->dev, "failed to attach dsi to host\n"); - mipi_dsi_device_unregister(dsi); + dev_err(dev, "failed to attach dsi to host\n"); return ERR_PTR(ret); } @@ -352,19 +352,6 @@ static int lt9611uxc_connector_init(struct drm_bridge *bridge, struct lt9611uxc return drm_connector_attach_encoder(<9611uxc->connector, bridge->encoder); } -static void lt9611uxc_bridge_detach(struct drm_bridge *bridge) -{ - struct lt9611uxc *lt9611uxc = bridge_to_lt9611uxc(bridge); - - if (lt9611uxc->dsi1) { - mipi_dsi_detach(lt9611uxc->dsi1); - mipi_dsi_device_unregister(lt9611uxc->dsi1); - } - - mipi_dsi_detach(lt9611uxc->dsi0); - mipi_dsi_device_unregister(lt9611uxc->dsi0); -} - static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { @@ -385,19 +372,11 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, /* Attach secondary DSI, if specified */ if (lt9611uxc->dsi1_node) { lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node); - if (IS_ERR(lt9611uxc->dsi1)) { - ret = PTR_ERR(lt9611uxc->dsi1); - goto err_unregister_dsi0; - } + if (IS_ERR(lt9611uxc->dsi1)) + return PTR_ERR(lt9611uxc->dsi1); } return 0; - -err_unregister_dsi0: - mipi_dsi_detach(lt9611uxc->dsi0); - mipi_dsi_device_unregister(lt9611uxc->dsi0); - - return ret; } static enum drm_mode_status @@ -541,7 +520,6 @@ static struct edid *lt9611uxc_bridge_get_edid(struct drm_bridge *bridge, static const struct drm_bridge_funcs lt9611uxc_bridge_funcs = { .attach = lt9611uxc_bridge_attach, - .detach = lt9611uxc_bridge_detach, .mode_valid = lt9611uxc_bridge_mode_valid, .mode_set = lt9611uxc_bridge_mode_set, .detect = lt9611uxc_bridge_detect,