From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2E75C433F5 for ; Wed, 6 Oct 2021 19:39:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97A4C610A2 for ; Wed, 6 Oct 2021 19:39:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239717AbhJFTlQ (ORCPT ); Wed, 6 Oct 2021 15:41:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53854 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239627AbhJFTky (ORCPT ); Wed, 6 Oct 2021 15:40:54 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71D1BC061766 for ; Wed, 6 Oct 2021 12:38:50 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id oa12-20020a17090b1bcc00b0019f715462a8so3211598pjb.3 for ; Wed, 06 Oct 2021 12:38:50 -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=0NtNoitnZpRD+QXZE528qbbYjh9dmwDBO87rVNizGkg=; b=lopftWS70zdKuh7eeLaM7Ve1KWbPHsEyyolQXf7MWc5FOVSlznqwTsSzD7OJ0RgXQ6 RCDiOXnur86GhCaal/CxIOrzPvylAQhU9BcgvcHpvi48B7eWhyUhesbrzLVrlLCVKtm1 A7lIEExIiNzugRKMo5es0/MFBPiuB1u4yBzYQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0NtNoitnZpRD+QXZE528qbbYjh9dmwDBO87rVNizGkg=; b=jvw8svXdiHiVDvajW0+erJjuz6z+w5tq9nmXtKOy7BNelQq4zxwcmc4/feRQmF04RS OLe+VQ/CvYXqoCO6kLHoD8FfIh+t+y6JvpCBNN2KbbyKp3N2rL/Cm5cKgHhOe83ZfFLD 89LFrCrDno3MQ8B7WQ5hT4W8no1GHgal5ji71nLiST2JWTCpQBiH7RtsZPDQ6MR0AdGB Mrg3n1WNGL4ca4jmow3Fwid8qQ4dfrcGYAqild7lmIvv7ym4QUdeO8WrIxwyiHV1FUwf aC88eSmJ75jDMlod4rokZIqrZdjeabSz41ODmRX8Tpk8fd9Jjhh0bo0eUi1ARmX3vZ7r eRqw== X-Gm-Message-State: AOAM5303O5P04n3Quen/BvDr6OvEubIbIHBk7YdaL9mhfK1kkZBfy7Yb WJyWomISHoXYjrbnbQQAC6cPeg== X-Google-Smtp-Source: ABdhPJwEmaRHU6SbK+81x0j/hXA94wAn6cv1WzZrG1OkVCyHwLhXfe2v03n4MfSK1ciPKL1V3aJ2XA== X-Received: by 2002:a17:90a:19d2:: with SMTP id 18mr61162pjj.217.1633549130049; Wed, 06 Oct 2021 12:38:50 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:201:d412:c5eb:4aca:4738]) by smtp.gmail.com with ESMTPSA id o14sm22011296pfh.84.2021.10.06.12.38.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 12:38:49 -0700 (PDT) From: Stephen Boyd To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Jyri Sarha , Tomi Valkeinen , Daniel Vetter , "Rafael J. Wysocki" , Rob Clark , Russell King , Saravana Kannan Subject: [PATCH v2 23/34] drm/tilcdc: Migrate to aggregate driver Date: Wed, 6 Oct 2021 12:38:08 -0700 Message-Id: <20211006193819.2654854-24-swboyd@chromium.org> X-Mailer: git-send-email 2.33.0.800.g4c38ced690-goog In-Reply-To: <20211006193819.2654854-1-swboyd@chromium.org> References: <20211006193819.2654854-1-swboyd@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use an aggregate driver instead of component ops so that we can get proper driver probe ordering of the aggregate device with respect to all the component devices that make up the aggregate device. Cc: Jyri Sarha Cc: Tomi Valkeinen Cc: Daniel Vetter Cc: "Rafael J. Wysocki" Cc: Rob Clark Cc: Russell King Cc: Saravana Kannan Signed-off-by: Stephen Boyd --- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 6b03f89a98d4..d5c6567eec8d 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -531,13 +531,16 @@ static const struct dev_pm_ops tilcdc_pm_ops = { /* * Platform driver: */ -static int tilcdc_bind(struct device *dev) +static int tilcdc_bind(struct aggregate_device *adev) { + struct device *dev = adev->parent; + return tilcdc_init(&tilcdc_driver, dev); } -static void tilcdc_unbind(struct device *dev) +static void tilcdc_unbind(struct aggregate_device *adev) { + struct device *dev = adev->parent; struct drm_device *ddev = dev_get_drvdata(dev); /* Check if a subcomponent has already triggered the unloading. */ @@ -547,9 +550,13 @@ static void tilcdc_unbind(struct device *dev) tilcdc_fini(dev_get_drvdata(dev)); } -static const struct component_master_ops tilcdc_comp_ops = { - .bind = tilcdc_bind, - .unbind = tilcdc_unbind, +static struct aggregate_driver tilcdc_aggregate_driver = { + .probe = tilcdc_bind, + .remove = tilcdc_unbind, + .driver = { + .name = "tilcdc_drm", + .owner = THIS_MODULE, + }, }; static int tilcdc_pdev_probe(struct platform_device *pdev) @@ -566,12 +573,9 @@ static int tilcdc_pdev_probe(struct platform_device *pdev) ret = tilcdc_get_external_components(&pdev->dev, &match); if (ret < 0) return ret; - else if (ret == 0) + if (ret == 0) return tilcdc_init(&tilcdc_driver, &pdev->dev); - else - return component_master_add_with_match(&pdev->dev, - &tilcdc_comp_ops, - match); + return component_aggregate_register(&pdev->dev, &tilcdc_aggregate_driver, match); } static int tilcdc_pdev_remove(struct platform_device *pdev) @@ -581,10 +585,10 @@ static int tilcdc_pdev_remove(struct platform_device *pdev) ret = tilcdc_get_external_components(&pdev->dev, NULL); if (ret < 0) return ret; - else if (ret == 0) + if (ret == 0) tilcdc_fini(platform_get_drvdata(pdev)); else - component_master_del(&pdev->dev, &tilcdc_comp_ops); + component_aggregate_unregister(&pdev->dev, &tilcdc_aggregate_driver); return 0; } -- https://chromeos.dev