Re: EOVERFLOW problem with usb_control_msg

Alan Stern wrote:
> It looks like your driver thinks it is performing a control-IN 
> transfer, but the usbmon log shows that it is really doing a 
> control-OUT.  Could that be your problem?  It stems from the fact that 
> ch341_control_in uses usb_sndctrlpipe() instead of usb_rcvctrlpipe().

Of course, you're right. With that change in my code now runs OK.

Next will be set_termios, but that looks pretty hairy in the drivers 
I've looked at...

When my driver is feature-complete, should I post it here first for 
review, or to lkml?

Many thanks for your help,

Frank Kingswood.


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