are USB interrupt transfers possible with s3c2410_udc?

Arnaud Patard (Rtp) arnaud.patard at
Mon Feb 23 11:44:21 CET 2009

Timo Juhani Lindfors <timo.lindfors at> writes:

> Arnaud Patard (Rtp) <arnaud.patard at> writes:
>> update other fields in the structure accordingly) like in the *not*
>> *tested* appended patch. I didn't even build tested it :)
>> If it works for you, I'll try to submit it for next merge window.
> Whoa, thanks a lot! Catting /dev/usbmon1 on PC side now shows
> interrupt transfers. However, I have not managed to get my usb
> keyboard gadget to work reliably so I can not say much about
> reliability yet.

There are others gadget driver using interrupt endpoints so with them
you should be able to tell if the problem comes from your gadget driver
or from some bugs in the udc driver (I've never tested interrupt
endpoint before so you may be just unlucky and have hitten some bugs).

> It works with libusb but the kernel usbhid.ko driver
> seems to just flood logs with
> usbhid: input irq status -75 received

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