From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41630 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751059AbcKQJZ7 (ORCPT ); Thu, 17 Nov 2016 04:25:59 -0500 Date: Thu, 17 Nov 2016 10:26:09 +0100 From: Greg KH To: Mathias Nyman Cc: linux-usb@vger.kernel.org, stern@rowland.harvard.edu, stable@vger.kernel.org Subject: Re: [PATCH v3 1/1] usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices Message-ID: <20161117092609.GA17694@kroah.com> References: <1479374054-19335-1-git-send-email-mathias.nyman@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1479374054-19335-1-git-send-email-mathias.nyman@linux.intel.com> Sender: stable-owner@vger.kernel.org List-ID: On Thu, Nov 17, 2016 at 11:14:14AM +0200, Mathias Nyman wrote: > USB-3 does not have any link state that will avoid negotiating a connection > with a plugged-in cable but will signal the host when the cable is > unplugged. > > For USB-3 we used to first set the link to Disabled, then to RxDdetect to > be able to detect cable connects or disconnects. But in RxDetect the > connected device is detected again and eventually enabled. > > Instead set the link into U3 and disable remote wakeups for the device. > This is what Windows does, and what Alan Stern suggested. > > Cc: stable@vger.kernel.org > Cc: Alan Stern > Acked-by: Alan Stern > Signed-off-by: Mathias Nyman Can I put this in -next and get it some testing before going to Linus for 4.10-rc1, or do you think it needs to get into 4.9-final due to people complaining about this? If so, is it a regression or just something that we have never done before (I think the latter, but want to make sure...) thanks, greg k-h