From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: [RFC/PATCH 1/5] usb: otg: add notifier support Date: Tue, 26 Jan 2010 16:30:05 +0200 Message-ID: <20100126143005.GI10690@nokia.com> References: <6ed0b2680912101251jeec28e6i216dfc51caab13aa@mail.gmail.com> <201001260535.21689.david-b@pacbell.net> <20100126141443.GE10690@nokia.com> <201001261524.49661.oliver@neukum.org> Reply-To: felipe.balbi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Content-Disposition: inline In-Reply-To: <201001261524.49661.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: ext Oliver Neukum Cc: "Balbi Felipe (Nokia-D/Helsinki)" , ext David Brownell , Mark Brown , "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Anton Vorontsov , Grazvydas Ignotas , Madhusudhan Chikkature , "linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Greg Kroah-Hartman List-Id: linux-omap@vger.kernel.org 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-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html