Messages in this thread | | | Date | Tue, 26 Jan 2010 16:30:05 +0200 | From | Felipe Balbi <> | 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
| |