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 C41FDC433EF for ; Wed, 6 Oct 2021 19:38:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0B976124A for ; Wed, 6 Oct 2021 19:38:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239542AbhJFTkg (ORCPT ); Wed, 6 Oct 2021 15:40:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239441AbhJFTk0 (ORCPT ); Wed, 6 Oct 2021 15:40:26 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77D58C061767 for ; Wed, 6 Oct 2021 12:38:31 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id s16so3334683pfk.0 for ; Wed, 06 Oct 2021 12:38:31 -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=QdKC3RDnWMeVhqBKuTAcfq/eZBHYEe2Kb+X7ix5SdpY=; b=bYXZrb2Mw0ygA/9KQUszZR0D4+fBHb1MS2IAeBPCv5THUvbkeF9CzMvcUArorOxTAK B1HrTvXihaUQeWiLQvL+0lEMneUWKCwMfy/POUvBJf8ELzE+zKDqutR6eEmcX2r97Guc Uv7Q5lG6rFPLy8WnQ5GTASLWbtTQ5A00scm0M= 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=QdKC3RDnWMeVhqBKuTAcfq/eZBHYEe2Kb+X7ix5SdpY=; b=Vj48YTJX2Mk3dIoL2c/B5mZPy9BuQhznZkXEcHKHKCXldiP6ZN+oz+fqG9zlEb40l1 QaAtXexHcLNBohu3ekwEYZ7JBsJb0ukNVLatToKqIIvx/j/FHIMWmqTwxkTXxjq77pdD 8Evvox8QVaxj0E/mfC5KJbraBDzVbXrPBUPE0tsxBxyZQTrvPMK0fiOogcRP6dr9K95y HavxLvRx60CGwxBZiyhy+6vamtLZGEZFTrJtQuCB7ySOXSZxVBqYIoANgEC5Ny89GDtg Lwuyb+FNIaoVGh5bD6t0/KJkZGDipAKahas4bUZoGJ+PGXw0jNn1hgmNrdnp7n6HrXuH tROQ== X-Gm-Message-State: AOAM530insuFUQWerw3FnNV649zwa6p26ryfnu7fxXXEw/9sD/GZP0YH CjUhW7U1vNDzDjiWDBw8wA39ATObYpzgrQ== X-Google-Smtp-Source: ABdhPJyQxcu7a9c6zJ5OPG0sbw5QtjSSLjEp7prUkIluddBHbCR+Nhq+ATnHLHRc/o8nEL0u0iy0bg== X-Received: by 2002:a63:2022:: with SMTP id g34mr433631pgg.173.1633549111054; Wed, 06 Oct 2021 12:38:31 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:202:201:d412:c5eb:4aca:4738]) by smtp.gmail.com with ESMTPSA id o14sm22011296pfh.84.2021.10.06.12.38.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 12:38:30 -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, James Qian Wang , Daniel Vetter , "Rafael J. Wysocki" , Rob Clark , Russell King , Saravana Kannan Subject: [PATCH v2 07/34] drm/komeda: Migrate to aggregate driver Date: Wed, 6 Oct 2021 12:37:52 -0700 Message-Id: <20211006193819.2654854-8-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-kernel@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: James Qian Wang (Arm Technology China) Cc: Daniel Vetter Cc: "Rafael J. Wysocki" Cc: Rob Clark Cc: Russell King Cc: Saravana Kannan Signed-off-by: Stephen Boyd --- .../gpu/drm/arm/display/komeda/komeda_drv.c | 20 ++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c index e7933930a657..0463386a6ed2 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_drv.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_drv.c @@ -25,8 +25,9 @@ struct komeda_dev *dev_to_mdev(struct device *dev) return mdrv ? mdrv->mdev : NULL; } -static void komeda_unbind(struct device *dev) +static void komeda_unbind(struct aggregate_device *adev) { + struct device *dev = adev->parent; struct komeda_drv *mdrv = dev_get_drvdata(dev); if (!mdrv) @@ -45,8 +46,9 @@ static void komeda_unbind(struct device *dev) devm_kfree(dev, mdrv); } -static int komeda_bind(struct device *dev) +static int komeda_bind(struct aggregate_device *adev) { + struct device *dev = adev->parent; struct komeda_drv *mdrv; int err; @@ -87,9 +89,13 @@ static int komeda_bind(struct device *dev) return err; } -static const struct component_master_ops komeda_master_ops = { - .bind = komeda_bind, - .unbind = komeda_unbind, +static struct aggregate_driver komeda_aggregate_driver = { + .probe = komeda_bind, + .remove = komeda_unbind, + .driver = { + .name = "komeda_drm", + .owner = THIS_MODULE, + }, }; static int compare_of(struct device *dev, void *data) @@ -129,12 +135,12 @@ static int komeda_platform_probe(struct platform_device *pdev) komeda_add_slave(dev, &match, child, KOMEDA_OF_PORT_OUTPUT, 1); } - return component_master_add_with_match(dev, &komeda_master_ops, match); + return component_aggregate_register(dev, &komeda_aggregate_driver, match); } static int komeda_platform_remove(struct platform_device *pdev) { - component_master_del(&pdev->dev, &komeda_master_ops); + component_aggregate_unregister(&pdev->dev, &komeda_aggregate_driver); return 0; } -- https://chromeos.dev