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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 113B6C43331 for ; Thu, 5 Sep 2019 20:55:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F7E5206BB for ; Thu, 5 Sep 2019 20:55:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567716924; bh=ntuEjX5JizW6A6Ru68KbHjpXRKIWLYw5JmPTgqG9iB4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=e43HEWtxffaAYYgvmUzbh+6k1cXcEDEeUZMG+VoDr/PhHAcWVPmpI2MKNp0m9T9vM ZpUF9r5OReqZ6Niwm7TP08kTnWwFAoXWLL0uZDPCHE6fFb2JGgiF8U1cGhtyZcxi+W 8Jpfm08NFjFc2bNUjxRsDH26X6I+k9awbcDxtgAM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388281AbfIEUzT (ORCPT ); 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-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@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