From patchwork Thu Jan 6 21:45:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 12705768 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7760DC433F5 for ; Thu, 6 Jan 2022 21:46:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244506AbiAFVqP (ORCPT ); Thu, 6 Jan 2022 16:46:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244454AbiAFVqJ (ORCPT ); Thu, 6 Jan 2022 16:46:09 -0500 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13035C034005 for ; Thu, 6 Jan 2022 13:46:09 -0800 (PST) Received: by mail-pf1-x429.google.com with SMTP id p37so3593480pfh.4 for ; Thu, 06 Jan 2022 13:46:09 -0800 (PST) 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=IcaBfWVygHDNB6C8LkFxsWDgsRiQvHr6RF8HBCSc8kKeIzuGmKt6X6QMGLS4D8+pBO irbkBZrK9VdODT76096dKX1fUVhxrt6DZfbKHR2KJbI2wpIcsg4+hotoJ66bXLb8rWfq QM+viogiXHi5P8VefoPXVvE8N/Cic8ZmjsZKc= 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=N3dNpdBkR0Qvo+DbNKDCj49I5/H1wrzjV7WsGa9+KKmmulK1yh5VN7tUgSsLBrAM18 RKLohEt9gN0T32pqGLXl0sAwdiOznoo6iNC8V9USZUJ62eJysU5F/CFsZafMw9heommm IxuBKuen9HPeRUw/Du295Ex0jAUVr4CZfz2Y3O0GNo6+sz9u3bAIRcIZWogA6WtGcsAh 69gB5lmMx/Gk3K2jwuNvhgwbRSExXBA+AU/DW739mhD8htnatzcpreonkbPGaVV/xXPM WwhR3zeLyuVvCLu5z6+twPM0w7roRK5djSy9+XdiFcOauzGPlI7qpUkqpbqRakmlhk7m Jyuw== X-Gm-Message-State: AOAM532Kv1cOVW63WhJom9KOnctcmWQSMfaHaXjvb9MHJhsyRN8GaNT7 Ocw7TtLErF+QiFP3ubt+S6vfQA== X-Google-Smtp-Source: ABdhPJxWvdamkm9BbUfP5bbx8cClxJTqWYMaUw5Takg8Yhy/ubQOstHCKsaqxVAG6NtjkwEGXyIWHw== X-Received: by 2002:a65:5589:: with SMTP id j9mr54673150pgs.119.1641505568659; Thu, 06 Jan 2022 13:46:08 -0800 (PST) Received: from smtp.gmail.com ([2620:15c:202:201:1ebe:a8fd:f9b0:7e85]) by smtp.gmail.com with ESMTPSA id 10sm3539960pfm.56.2022.01.06.13.46.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jan 2022 13:46:08 -0800 (PST) From: Stephen Boyd To: Greg Kroah-Hartman , Douglas Anderson 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 v5 07/32] drm/komeda: Migrate to aggregate driver Date: Thu, 6 Jan 2022 13:45:30 -0800 Message-Id: <20220106214556.2461363-8-swboyd@chromium.org> X-Mailer: git-send-email 2.34.1.448.ga2b2bfdf31-goog In-Reply-To: <20220106214556.2461363-1-swboyd@chromium.org> References: <20220106214556.2461363-1-swboyd@chromium.org> MIME-Version: 1.0 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: 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; }