- From: Bernd Porr <BerndPorr_at_f2s.com>
- Date: Fri, 20 May 2005 11:55:58 +0100
Actually, I've never noticed any problems with the high level usb functions.
> 2.6.12 has changed the timeout parameter in usb_bulk_msg() and
> usb_control_msg() to mean timeout in milliseconds instead of jiffies.
Seems to call for a define in usb.h in the comedi CVS.
/Bernd
www: http://www.berndporr.me.uk/
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Frank Mori Hess wrote:
> On Thursday 19 May 2005 04:04 pm, Joel Chenu wrote:
>
>>usb 1-2: lt-cmd timed out on ep4out
>>comedi0: could not transmit dux_command to the
>>usb-device, err=-110
>
>
> When I was developing some usb drivers on a 2.6.8 kernel I found the high
> level synchronous usb functions like usb_bulk_msg() (which is used by the
> usbdux driver) were rather buggy, and often produced these timeout
> problems. When I switched to only using the lower level functions like
> usb_submit_urb, my problems went away. As an aside, I'm noticing now
> 2.6.12 has changed the timeout parameter in usb_bulk_msg() and
> usb_control_msg() to mean timeout in milliseconds instead of jiffies.
>
Received on 2005-05-20Z09:55:58