Messages in this thread | | | Date | Mon, 24 Nov 2014 12:20:53 -0600 | From | Felipe Balbi <> | Subject | Re: [PATCH] usb: musb: core: Disable the Interrupts till BABBLE is fully handled |
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On Mon, Nov 24, 2014 at 06:49:50PM +0100, Sebastian Andrzej Siewior wrote: > On 11/18/2014 10:17 PM, Felipe Balbi wrote: > > I think the driver is mis-detecting Babble. A babble only occurs when > > the device side tries to move data without the host asking for anything. > > It also occurs if the device moves more than packet_size bytes. Not > really helping, I know…
hmm, why would the device move more than wMaxPacketSize at a time ? That's certainly babble :-) We *must* move data in the wire in <=wMaxPacketSize chunks.
-- balbi [unhandled content-type:application/pgp-signature] | |