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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 242E1C43460 for ; Tue, 13 Apr 2021 09:31:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F36AD613B6 for ; Tue, 13 Apr 2021 09:31:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241546AbhDMJbU (ORCPT ); Tue, 13 Apr 2021 05:31:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240515AbhDMJbR (ORCPT ); Tue, 13 Apr 2021 05:31:17 -0400 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96739C061574; Tue, 13 Apr 2021 02:30:57 -0700 (PDT) Received: by mail-lf1-x12b.google.com with SMTP id x13so16140325lfr.2; Tue, 13 Apr 2021 02:30:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=s7QZvPTeYxY+yj8nBXFERhvOKZl4KW+WbFKRapSB+Gk=; b=KUGgQjqN6OqzSybB2EqFkEX52UuMFW3WngbAnP7wv9ejk064nD1ccqX4tMz2jJzKjU rpU9+inYXIj+kkrspDy55Sh9ZU0DwbfFE3dSZkm8YCLRkM24S60KiBeIbdZpdHwqvVAf MlLAAPfxVQzaDJPVXYBWHK0CDaUiJEdcr7UwTZ7wtEE+J8GSUZLrAorbOrJ/MBaZuJZN l+k6PwGQ2gvpkuCYMI0sj748QoYmnuHvcOWsVfnilb5eZHeVFGAghmD5hwp4n7hC6Tm+ cvss4G1HIDL8HCUGIbpFEHKjA+8KCTMopRybzuWjx7Tsc9RQpo6BJGakTJoZErXfqoS7 +J3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=s7QZvPTeYxY+yj8nBXFERhvOKZl4KW+WbFKRapSB+Gk=; b=kv2KXGRinbCLTqzdEOWE/TtomBNTJC8uodXPtp4zPgcejvZ6jQqzVuN8vUzP5k+BGa Ts7izE2arjzaE7/pIogj9WoWpObxlDZ4WpEtww9IvQzxVHMc1v4Sj7SDBAENGlVeOMYc 05yNqTcYNTipWv5ivIN0lL6gQdmQGVpL7/gT44mJymci+5SpNNWp/f05GvXjeJSedNoD aGE9RSW9JBUKjjfk6z9+PwxvUVxiqHx0dQmWL95va5m3Z8XPWYr2aQkXi9Jd4pYPXsUx Hpflv7LQvzwNWyGiTTp1vbxQkaK5PZqVZD2xfdOkUdPr1VaGbkuOwR/A5jvQIeFRNIkd GdXw== X-Gm-Message-State: AOAM532jpzmNg50CdYia9Pni92auQb3q1Or0rOlCJL0O2HqXd/cArMKo srAhacHKFxOCDBUGll6oOBY= X-Google-Smtp-Source: ABdhPJz5SANHlCPPwZiXcvRHqQe7w8fxkTpOZfO2ibmZFca7MVnO2o4zMf3rTDtqpyTfRURy9IjM8Q== X-Received: by 2002:a19:7d02:: with SMTP id y2mr23649086lfc.187.1618306254698; Tue, 13 Apr 2021 02:30:54 -0700 (PDT) Received: from [192.168.1.100] ([178.176.76.152]) by smtp.gmail.com with ESMTPSA id z22sm2474030lfu.112.2021.04.13.02.30.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Apr 2021 02:30:54 -0700 (PDT) Subject: Re: [PATCH v2 11/12] usb: dwc2: Add clock gating exiting flow by system resume To: Artur Petrosyan , Felipe Balbi , Greg Kroah-Hartman , Minas Harutyunyan , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: John Youn References: <20210413073723.BA0FEA022E@mailhost.synopsys.com> From: Sergei Shtylyov Organization: Brain-dead Software Message-ID: <2062887e-f1c6-a79c-8af1-31852a7f877f@gmail.com> Date: Tue, 13 Apr 2021 12:30:49 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <20210413073723.BA0FEA022E@mailhost.synopsys.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.04.2021 10:37, Artur Petrosyan wrote: > If not hibernation nor partial power down are supported, s/not/neither/? > port resume is done using the clock gating programming flow. > > Adds a new flow of exiting clock gating when PC is > resumed. > > Signed-off-by: Artur Petrosyan > --- > Changes in v2: > - None > > drivers/usb/dwc2/hcd.c | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c > index 09dcd37b9ef8..04a1b53d65af 100644 > --- a/drivers/usb/dwc2/hcd.c > +++ b/drivers/usb/dwc2/hcd.c > @@ -4445,6 +4445,28 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd) > break; > case DWC2_POWER_DOWN_PARAM_HIBERNATION: > case DWC2_POWER_DOWN_PARAM_NONE: > + /* > + * If not hibernation nor partial power down are supported, s/not/neither/? [...] MBR, Sergei