From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Brook Subject: Re: [patch 0/2] USB UHCI global suspend / remote wakeup Date: Fri, 26 Nov 2010 00:38:28 +0000 Message-ID: <201011260038.29290.paul@codesourcery.com> References: <20101125170439.548474575@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Cc: Matthew Garrett , kvm , Marcelo Tosatti , Glauber de Oliveira Costa , Adam Jackson , Gerd Hoffmann To: qemu-devel@nongnu.org Return-path: In-Reply-To: <20101125170439.548474575@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org > This patch enables USB UHCI global suspend/resume feature. The OS will > stop the HC once all ports are suspended. If there is activity on the > port(s), an interrupt signalling remote wakeup will be triggered. I'm pretty sure this is wrong. Suspend/resume works based on physical topology, i.e. the resume notification should go to the the port/hub to which the device is connected, not directly to the host controller. Paul