[RFC] status error patch
castet.matthieu at free.fr
Thu May 19 17:50:42 EDT 2005
matthieu castet wrote:
> Roman Kagan wrote:
>> On Mon, May 16, 2005 at 11:07:47PM +0200, matthieu castet wrote:
>> Do you see this with uhci only, or ohci too?
> uhci only, I didn't find any tester with ohci.
>> which suggests that what you see - zero length iso packets - are
>> actually short reads, and should perhaps be treated as no error at all,
>> but at the _hcd_ level.
>> So I suggest, instead of patching usbatm, patch
>> a) uhci-q.c - to ignore short reads like ohci does
>> b) ohci-q.c - to propagate iso packet status into urb status
>> and see if USB experts are OK with it.
> Ok, I will ask usb expert on linux-usb-devel about that.
Well it seem it is the modem or the controller. And since the problem
occurs with different controllers, I think it is the modem.
And since ADI make no comment about this, only a quirk in usbatm is the
solution for the moment.
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