From patchwork Fri Jul 10 23:02:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Douglas Anderson X-Patchwork-Id: 11657527 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2A4713B4 for ; Fri, 10 Jul 2020 23:03:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9F4620786 for ; Fri, 10 Jul 2020 23:03:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="YqfD9if0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbgGJXCr (ORCPT ); Fri, 10 Jul 2020 19:02:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726769AbgGJXCq (ORCPT ); Fri, 10 Jul 2020 19:02:46 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64ED9C08C5DC for ; Fri, 10 Jul 2020 16:02:46 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id f2so2842315plr.8 for ; Fri, 10 Jul 2020 16:02:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KDlhJEK8bEQDr4AEmZYceY0lLW1c8BenSCxp/VqeSg0=; b=YqfD9if0lPwu+n0J/F3oyLF5d7cL9WsuOonWuP7ZQ7PJ7PHL9OzPXYWf5BPO5qfemv SwrxE7PTMHZjhNQO4tH9fw+9KDQRmBRGfNSVmqpTEvMVsy78vW07p1D36O+Is2YPUW6P wG6iJcV73pywBqYswv6ZmNfhjbzdG/8cq++88= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KDlhJEK8bEQDr4AEmZYceY0lLW1c8BenSCxp/VqeSg0=; b=q+bItDPm3dBG9wYmdug3xZUq8KlO2Xv9eNskzsXz7JeMUoqXkK4uFYacVhbC3ysk3G c5VpDZll7PxHoSdUMgvg8ApT1Vz2Sre2TndxY7ibd9TAQSsh9gvhRh3v+v0fcpdc8aFM CuI+BtzSNhFps0Bd5lrSpsPl3FfmwdyXBjJgIN+8JnvWCyYKEOXfcP5d4GaDTO14O/VC Z8kZFGTvtt569vUVz5v696poypypuDZdAfV00atIKNu1GcUbHQogoRVfR2plwSCg6CUJ BdkiR7x5W3UqNwSuEZoDrxUdbu93ZTWcy0bTWwu72hSmeeuilRrnZplluIBbqqky6wQF Y0XQ== X-Gm-Message-State: AOAM5301z52t+fYc8MLZR1wDnzy0Ly4pMvIYKZsNYwFP9lgXkR5+MTec Vx7LTfzh5bhFKvOMoPSSRuDhkFxLID4= X-Google-Smtp-Source: ABdhPJwSPO3qFeV3DepwLxB8csth6F4T+/Ne+JcPTYmGZnrrv09IRasdUI54wXZe6z/2aXeJ8r0VXw== X-Received: by 2002:a17:90a:f3ca:: with SMTP id ha10mr7762940pjb.46.1594422165962; Fri, 10 Jul 2020 16:02:45 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:42b0:34ff:fe3d:58e6]) by smtp.gmail.com with ESMTPSA id my9sm7266836pjb.44.2020.07.10.16.02.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 16:02:45 -0700 (PDT) From: Douglas Anderson To: Rob Herring , Rob Clark , Sean Paul , Andy Gross , Bjorn Andersson Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, Douglas Anderson , Daniel Vetter , David Airlie , linux-kernel@vger.kernel.org Subject: [PATCH 1/9] drm/msm: Use the devm variant of of_platform_populate() Date: Fri, 10 Jul 2020 16:02:16 -0700 Message-Id: <20200710160131.1.I3f7862adcb0806d56a8c7260857d887100b06b41@changeid> X-Mailer: git-send-email 2.27.0.383.g050319c2ae-goog In-Reply-To: <20200710230224.2265647-1-dianders@chromium.org> References: <20200710230224.2265647-1-dianders@chromium.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Let's save ourselves some hassle and use the devm variant of of_platform_populate() do we don't need to worry about manually depopulating. Signed-off-by: Douglas Anderson --- drivers/gpu/drm/msm/msm_drv.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index f6ce40bf3699..78b09fde9e29 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1208,7 +1208,7 @@ static int add_display_components(struct device *dev, if (of_device_is_compatible(dev->of_node, "qcom,mdss") || of_device_is_compatible(dev->of_node, "qcom,sdm845-mdss") || of_device_is_compatible(dev->of_node, "qcom,sc7180-mdss")) { - ret = of_platform_populate(dev->of_node, NULL, NULL, dev); + ret = devm_of_platform_populate(dev); if (ret) { DRM_DEV_ERROR(dev, "failed to populate children devices\n"); return ret; @@ -1217,7 +1217,6 @@ static int add_display_components(struct device *dev, mdp_dev = device_find_child(dev, NULL, compare_name_mdp); if (!mdp_dev) { DRM_DEV_ERROR(dev, "failed to find MDSS MDP node\n"); - of_platform_depopulate(dev); return -ENODEV; } @@ -1232,8 +1231,6 @@ static int add_display_components(struct device *dev, } ret = add_components_mdp(mdp_dev, matchptr); - if (ret) - of_platform_depopulate(dev); return ret; } @@ -1300,30 +1297,21 @@ static int msm_pdev_probe(struct platform_device *pdev) ret = add_gpu_components(&pdev->dev, &match); if (ret) - goto fail; + return ret; /* on all devices that I am aware of, iommu's which can map * any address the cpu can see are used: */ ret = dma_set_mask_and_coherent(&pdev->dev, ~0); if (ret) - goto fail; - - ret = component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); - if (ret) - goto fail; - - return 0; + return ret; -fail: - of_platform_depopulate(&pdev->dev); - return ret; + return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); } static int msm_pdev_remove(struct platform_device *pdev) { component_master_del(&pdev->dev, &msm_drm_ops); - of_platform_depopulate(&pdev->dev); return 0; }