Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754481Ab0AZOcL (ORCPT ); Tue, 26 Jan 2010 09:32:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754458Ab0AZOcK (ORCPT ); Tue, 26 Jan 2010 09:32:10 -0500 Received: from smtp.nokia.com ([192.100.122.230]:28773 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754135Ab0AZOcI (ORCPT ); Tue, 26 Jan 2010 09:32:08 -0500 Date: Tue, 26 Jan 2010 16:30:05 +0200 From: Felipe Balbi To: ext Oliver Neukum Cc: "Balbi Felipe (Nokia-D/Helsinki)" , ext David Brownell , Mark Brown , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Anton Vorontsov , Grazvydas Ignotas , Madhusudhan Chikkature , "linux-omap@vger.kernel.org" , Greg Kroah-Hartman Subject: Re: [RFC/PATCH 1/5] usb: otg: add notifier support Message-ID: <20100126143005.GI10690@nokia.com> Reply-To: felipe.balbi@nokia.com References: <6ed0b2680912101251jeec28e6i216dfc51caab13aa@mail.gmail.com> <201001260535.21689.david-b@pacbell.net> <20100126141443.GE10690@nokia.com> <201001261524.49661.oliver@neukum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <201001261524.49661.oliver@neukum.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-OriginalArrivalTime: 26 Jan 2010 14:31:47.0734 (UTC) FILETIME=[4A988B60:01CA9E94] X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 832 Lines: 20 On Tue, Jan 26, 2010 at 03:24:49PM +0100, ext Oliver Neukum wrote: >Am Dienstag, 26. Januar 2010 15:14:43 schrieb Felipe Balbi: >> >There are load bursting issues too. All part of the USB spec; >> >a load that's OK for 1 millisecond might not be OK for 1 second. >> >> if you get a SetConfiguration(config), then you can use that load for as >> long as needed, the limitation is when not enumerated, afaict. > >And when suspended. but when suspended, we have to cut power ASAP. If not enumerated we can still draw power for a few miliseconds due to dead battery provision. -- balbi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/