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	Sat, 10 Aug 2013 07:57:14 -0400
Date: Sat, 10 Aug 2013 07:57:13 -0400 (EDT)
From: Alan Stern <stern@rowland.harvard.edu>
To: Oleksij Rempel <linux@rempel-privat.de>
cc: Christian Lamparter <chunkeey@googlemail.com>,
	Sarah Sharp <sarah.a.sharp@linux.intel.com>,
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Subject: Re: FUSB200 xhci issue
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On Sat, 10 Aug 2013, Oleksij Rempel wrote:

> usb reset do not affect behaviour of firmware. At least after i remove 
> all attempts to reboot FW from driver.
> If adapter will got reset signal, FW will be notified about it. Then FW 
> will remove reset flag and will just continue to work. After usb reset, 
> lsusb show correct, update information - EP3 and EP4 was updated from 
> INT to BULK.
> 
> I assume, no i need to add to the driver some kind of firmware check. 
> What is the proper way to do it?

The simplest way is to put a new value for the device descriptor's 
bcdDevice value in the firmware.  Then all you have to do is check that 
value.

Alan Stern