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Subject: Re: ftdi_write_data unstable on 2.6 Works perfect on 2.4

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 28 May 2009 15:40:11 +0200
Hello Jørgen,

On Thursday, 28. May 2009 15:09:45 Jørgen Kragh Jakobsen wrote:
> My problem is at the interface is broken from linux kernel 2.4 -> 2.6.
>
> I have debugged the error down to the ftdi_write_data not being done. That
> also what I have read in other forums and the only solution is to put a
> handshake on the link ...
>
> Do you know anything related to this!!!

I've experienced something similar: The first write call gets losts.
Someone mentioned an usb_reset() call would fix the issue though
this is the big hammer method...

Thomas


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