Hi David and Alan,
On Mon, 3 May 2004, Alan Stern wrote:
> This patch imports the changes that David Brownell has made to the
> device-reset functions in his gadget-2.6 tree. Once these ongoing
> troubling questions about locking are settled, I'll add support for the
> "descriptors changed" case.
thanks for the usb_reset_device() change in 2.6.7!
I can call __usb_reset_device() in my probe, but as my DFU device (Atmel
AT76C503A) changes its _interface_ descriptors only, no re-enumeration is
triggered. I tried to trick it by
dev->udev->descriptor.bDeviceSubClass++;
__usb_reset_device(dev->udev);
which fails, too
(dev->udev->actconfig->interface[0]->altsetting[0].desc.bNumEndpoints==0
after the reset).
My current workaround until 2.6.6 was to call usb_reset_device in keventd
and retrieve and parse the interface descriptors myself afterwards.
Is there any more reasonable way for this DFU device with 2.6.7 ?
Regards,
Jörg.
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