Re: [PATCH] usb: musb: core: Disable the Interrupts till BABBLE is fully handled

From: Felipe Balbi
Date: Mon Nov 24 2014 - 13:20:53 EST


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 knowâ

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

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