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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AB18C2D0A8 for ; Mon, 28 Sep 2020 13:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A8E120E65 for ; Mon, 28 Sep 2020 13:53:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZMuP/8jt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726310AbgI1NxR (ORCPT ); Mon, 28 Sep 2020 09:53:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725290AbgI1NxR (ORCPT ); Mon, 28 Sep 2020 09:53:17 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09891C061755; Mon, 28 Sep 2020 06:53:17 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id g4so1444686wrs.5; Mon, 28 Sep 2020 06:53:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=f1wKe3InkkDui+crhECsBUh95jgL+WD2EWQapKErJFg=; b=ZMuP/8jtF1vW9aFVHx7E5Aa2kuzgcFAkjJywaboHIAFRIWAcVOwBRC+CKi8b3mP1LE n4cpD+f3wOz3wnz9jAqEW07Efs2ozICUu5zR0PDwuDQiRWDiUn5HPfLXkl1QKh60CU6x A/wwMxEdoQlkPuXKjBw64Ppg06Io2GmBYGtPuLVtQn2DEQm8cl0zc6znEIIsUVLky0AO D1HB7tJRACk/lRS1hKiNa2ChGM2K/ztSxndwz7CuYKFcPrG2PNcCxf7ZkqNvHeOOBTlX Y5ojfUJ34c6q23cYx1iv5QUm9ppG0oOxqTpf6LwvqYBPLQihSuZqTWC/adlM/d0TOrsS wJjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=f1wKe3InkkDui+crhECsBUh95jgL+WD2EWQapKErJFg=; b=gWfCYa2kL+aurj8i4N9cUjgudMs+KoRC1uCKMG+9CRu4i6DEHTwwNQUlJcQO+F36mc zhpeGNDsr3eGkpTSHC4SW0UUw61s04l1R9O8mIbWe2EhVL8Z3ZRfNWrokkE/p7c7FXCu NrH0R90PDC/X5Pf7+eGQkG9rXWtYqakU7tL8Wjzr+tRrOti5iDPxRjXK+G2Vb2YhADWv TpFBHMCD/4q4h9MfRasJt4fhY69lhs0S5Tx8THLyU/4jmvZa9mF+LXFEq1i6fOkSicZI 3XoccfykArxvQnYnvJ+CSy5EOsyV622gdQ6QOtx5PQ7dV0CRzv5QXK2iZ7GQ8Jv6ulHo yXYg== X-Gm-Message-State: AOAM531oAqxLUKImVPwSUJ9A1rawMAlrIq81Mdvkl17IBwpuCG8Ugu7F QIse9Mvfwfu9tF0XDkxEDU0= X-Google-Smtp-Source: ABdhPJx3vpDJaU6EF8eGPYr6q+PONsBtwiVkw7Y+seDHSlVwTqpGsbABEe7+L7L2U8kgE/m/ssY0RA== X-Received: by 2002:adf:e4cc:: with SMTP id v12mr1854780wrm.216.1601301195761; Mon, 28 Sep 2020 06:53:15 -0700 (PDT) Received: from localhost ([217.111.27.204]) by smtp.gmail.com with ESMTPSA id a20sm1275976wmm.40.2020.09.28.06.53.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2020 06:53:14 -0700 (PDT) Date: Mon, 28 Sep 2020 15:53:11 +0200 From: Thierry Reding To: JC Kuo Cc: gregkh@linuxfoundation.org, robh@kernel.org, jonathanh@nvidia.com, kishon@ti.com, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, nkristam@nvidia.com Subject: Re: [PATCH v3 14/15] usb: host: xhci-tegra: Unlink power domain devices Message-ID: <20200928135311.GN3065790@ulmo> References: <20200909081041.3190157-1-jckuo@nvidia.com> <20200909081041.3190157-15-jckuo@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="57SHPaztv6dlLu/a" Content-Disposition: inline In-Reply-To: <20200909081041.3190157-15-jckuo@nvidia.com> User-Agent: Mutt/1.14.7 (2020-08-29) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --57SHPaztv6dlLu/a Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Sep 09, 2020 at 04:10:40PM +0800, JC Kuo wrote: > This commit unlinks xhci-tegra platform device with ss/host power > domain devices. Reasons for this change is - at elpg entry, PHY s/elpg/ELPG/ > sleepwalk and wake configuration need to be done before powering > down ss/host partitions, and PHY need be powered off after powering s/ss/SS/ here (because it's an abbreviation) and in a few cases below. Otherwise this seems fine, though it'd be good if Jon could take a look since he's more familiar with the power domain setup here. 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