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Date: Tue, 26 Jan 2010 16:30:05 +0200 From: Felipe Balbi <felipe.balbi@...ia.com> To: ext Oliver Neukum <oliver@...kum.org> Cc: "Balbi Felipe (Nokia-D/Helsinki)" <felipe.balbi@...ia.com>, ext David Brownell <david-b@...bell.net>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Anton Vorontsov <avorontsov@...mvista.com>, Grazvydas Ignotas <notasas@...il.com>, Madhusudhan Chikkature <madhu.cr@...com>, "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...e.de> Subject: Re: [RFC/PATCH 1/5] usb: otg: add notifier support 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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