Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp354506ybe; Fri, 6 Sep 2019 00:02:45 -0700 (PDT) X-Google-Smtp-Source: APXvYqxvi/6OXXQjo0O7Knj4bbC3x5M9E2xPuzzW9tNjCGzXdHoi1Tu488UqRA8VnxXK6KbF6cNi X-Received: by 2002:a63:791:: with SMTP id 139mr6136227pgh.199.1567753365389; Fri, 06 Sep 2019 00:02:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1567753365; cv=none; d=google.com; s=arc-20160816; b=P4qRv31kJweJH75T4EzSsBmho/XMFF/RBs//svlEKqpEHichhjJPtD94U/h4hgPzHA gTQHMYuKHupsJTQ3G4T/E7QpHkCdDaYDO4tl3t437DgAOVKD/aRkmXZDwbrkVnvDxdFs HvxgU8zg9fu7FydZMmcxGj1kSAElEpzt8NlNdBxHSS/1PAzkrLUyw8ApcNNccTat4pZy B2PdiZFjObvsPF6ADk3AwQvlwazg/geNMstq8tyL6o/Y0MgTodiGrs8DVPWaKfSK/mjR zfiyrDIpTvlMdk/kAYtz9qSAdpOyUkYQ/urZjUVtLZSE0A744Z+WsTWaEXB0lxWV5uZS PM4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=kMMQhQJBEU1Cbxr7K8Wa80ENhIKjdqu0pUKjtmzgn4Q=; b=AoXkRe6Bfipd0ywAj0HiBZje0a8lrf+kUlW6MHvNEvJRWq0CKr+YEipqjharNVXBUF 9fP/WbtrEuAGBWnxutkdWHTsoaRyfhK3lu4cpuQL736aL/73xmC96Swx5VirbqVvlYTr kk822SCQa9hhFoEi+kS23YM+VigBoX/m0wfrUZ/UWRINaiX2KS9mH0OoRhJ26CNfG0aj tPup1A5BzkX8SaDqeJWu88v+jUr2eH2MoJxARzZCcwfL4tPod9cFRG99bli1vmBHEY41 qI7/VxeIv+W1G7B/fRODwM1a2ArIsxVZH/XcTE3vy4CKgkbIDejaEj+tl5vMw5QD8Mwc pBog== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=dYOTFcdm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j23si4122798pjn.19.2019.09.06.00.02.27; Fri, 06 Sep 2019 00:02:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=dYOTFcdm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388485AbfIEUzT (ORCPT + 99 others); Thu, 5 Sep 2019 16:55:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:37868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726936AbfIEUzT (ORCPT ); Thu, 5 Sep 2019 16:55:19 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A81A6206BB; Thu, 5 Sep 2019 20:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567716919; bh=ntuEjX5JizW6A6Ru68KbHjpXRKIWLYw5JmPTgqG9iB4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dYOTFcdmwIO6YdTjUmmXwVPORJ4yUIoKzriixWeb18y5vL3vhVgbIH9BYgFtc3U/W O76cVQqUNQs309Qw889OMropdvnaQOVmfjG4lkGMgfu8IrCiFNLLWdFqprgzCks3gr VSPf3M9VTVouu6k3WQs1zXlBrxKjVH49JapDmuk8= Date: Thu, 5 Sep 2019 22:55:16 +0200 From: Greg KH To: Jacky.Cao@sony.com Cc: balbi@kernel.org, stern@rowland.harvard.edu, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Kento.A.Kobayashi@sony.com Subject: Re: [PATCH v3] USB: dummy-hcd: fix power budget for SuperSpeed mode Message-ID: <20190905205516.GA25749@kroah.com> References: <16EA1F625E922C43B00B9D82250220500871CDE5@APYOKXMS108.ap.sony.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16EA1F625E922C43B00B9D82250220500871CDE5@APYOKXMS108.ap.sony.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 05, 2019 at 04:11:57AM +0000, Jacky.Cao@sony.com wrote: > The power budget for SuperSpeed mode should be 900 mA > according to USB specification, so set the power budget > to 900mA for dummy_start_ss which is only used for > SuperSpeed mode. > > If the max power consumption of SuperSpeed device is > larger than 500 mA, insufficient available bus power > error happens in usb_choose_configuration function > when the device connects to dummy hcd. > > Signed-off-by: Jacky Cao Does this "fix" a specific commit in the tree, and if so, what is the commit id of that? Also, should this go to the stable kernel(s)? thanks, greg k-h