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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B50DAC4332F for ; Mon, 13 Dec 2021 21:43:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238212AbhLMVnX (ORCPT ); Mon, 13 Dec 2021 16:43:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240324AbhLMVnW (ORCPT ); Mon, 13 Dec 2021 16:43:22 -0500 Received: from mail-oi1-x234.google.com (mail-oi1-x234.google.com [IPv6:2607:f8b0:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1425EC061751 for ; Mon, 13 Dec 2021 13:43:20 -0800 (PST) Received: by mail-oi1-x234.google.com with SMTP id n66so24914395oia.9 for ; Mon, 13 Dec 2021 13:43:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:in-reply-to:references:from:user-agent:date:message-id :subject:to:cc; bh=TmGwTxtk1ApFzRT5JcuqotjuO1Eq6SC3X6wTg4aSOGc=; b=eNaZByPA3A9BMSPWspOZQZYK28rssM3XgZvdRx5XCTDo+TI+Z8nG1+mtIgUfxDnjCQ bTEdUbOAJjsIjMzHXemYzUBdwPs2m2wTR//V0+o7cw+D60ALBLxTHVQuUEx5jmat3Cjs p1UaXu+fZVvCxOFZfcOs4V3KjhAoTqrodl634= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=TmGwTxtk1ApFzRT5JcuqotjuO1Eq6SC3X6wTg4aSOGc=; b=liFmM5jzxSFMLijVkp0TDgrvDtLV8K0W3swHXry6tSj9DxjQ/DnJzJ+AqmHA0oFpye nXWnVdRQPeHtXNXEnp/aOyjbFG411wbAX5m4E/ZXnruG1b1y6ljfLY9Xybp5xA7btzge dFVdUQA1Vam4UAcH+MMfmOFKTrNk0kuayNwfho3/IAaslg2lXIQNkyGTWszTnCfJr09y 40GBsH//cMqRUeMZvTRodvSZVoxf/ZVLXqZTVIFf8Xstm3VFpPRPDStmj+qrQicp1Oxd l8gC5qNImvH5IdXEN/9BDBI8U4LXgmsMM0kVUjLj64KgYVH2UjomHTAuPWQX+S3AIrLi Y+zw== X-Gm-Message-State: AOAM530W6RrsdeLWmE7te3Vpe/Yx6ODm/dXRH+80Te7/3ypbIexXzzBH AGDSnNQ4yb6/68OZB+gJsntbe6MBfNdWwNnN5CAchg== X-Google-Smtp-Source: ABdhPJwBmJUtITTggfiBEHtxlPNAqOaF12KYEh1ljweCao7w72Js/U/c7J5QINoBhIaZJpcXb7QiXAChzLKfd0d+7y0= X-Received: by 2002:a05:6808:211f:: with SMTP id r31mr1129616oiw.64.1639431800144; Mon, 13 Dec 2021 13:43:20 -0800 (PST) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Mon, 13 Dec 2021 13:43:19 -0800 MIME-Version: 1.0 In-Reply-To: References: <20211202222732.2453851-1-swboyd@chromium.org> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Mon, 13 Dec 2021 13:43:19 -0800 Message-ID: Subject: Re: [PATCH v4 00/34] component: Make into an aggregate bus To: Greg Kroah-Hartman , Daniel Vetter Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Arnd Bergmann , Benjamin Gaignard , Chen Feng , Chen-Yu Tsai , Christian Gmeiner , Chun-Kuang Hu , Daniel Vetter , Emma Anholt , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Inki Dae , James Qian Wang , Jaroslav Kysela , Joerg Roedel , John Stultz , Joonyoung Shim , Jyri Sarha , Kai Vehmanen , Kyungmin Park , Laurent Pinchart , linux-fbdev@vger.kernel.org, linux-omap@vger.kernel.org, linux-pm@vger.kernel.org, Linus Walleij , Liviu Dudau , Lucas Stach , Mark Brown , Maxime Ripard , Neil Armstrong , Paul Cercueil , Philipp Zabel , "Rafael J. Wysocki" , Rob Clark , Russell King , Russell King , Russell King , Sandy Huang , Saravana Kannan , Sebastian Reichel , Seung-Woo Kim , Takashi Iwai , Tian Tao , Tomas Winkler , Tomi Valkeinen , Will Deacon , Xinliang Liu , Xinwei Kong , Yong Wu , Vitaly Lubart , Daniele Ceraolo Spurio , Rodrigo Vivi Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Quoting Daniel Vetter (2021-12-07 10:22:15) > On Thu, Dec 02, 2021 at 02:26:58PM -0800, Stephen Boyd wrote: > > This series is from discussion we had on reordering the device lists for > > drm shutdown paths[1]. I've introduced an 'aggregate' bus that we put > > the aggregate device onto and then we probe the aggregate device once > > all the components are probed and call component_add(). The probe/remove > > hooks are where the bind/unbind calls go, and then a shutdown hook is > > added that can be used to shutdown the drm display pipeline at the right > > time. > > > > This works for me on my sc7180 board. I no longer get a warning from i2c > > at shutdown that we're trying to make an i2c transaction after the i2c > > bus has been shutdown. There's more work to do on the msm drm driver to > > extract component device resources like clks, regulators, etc. out of > > the component bind function into the driver probe but I wanted to move > > everything over now in other component drivers before tackling that > > problem. > > > > Tested-by tags would be appreciated, and Acked-by/Reviewed-by tags too. > > Thanks for pushing this forward. Unfortunately I'm completely burried and > it's just not improving, so merge plan: > > - please get Greg KH to ack the bus/driver core stuff > > - please get one of the drm-misc committers we have from Google's Chromeos > team (there should be a few by now) to review&push this. Sounds like a plan. Thanks! > > Otherwise I fear this might get stuck and I'd really like to avoid that. >