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Re: [Qemu-devel] [PATCH] usb: change VID/PID for usb-hub and usb-msd to

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH] usb: change VID/PID for usb-hub and usb-msd to prevent conflict
Date: Fri, 16 Sep 2011 11:46:08 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.22) Gecko/20110904 Red Hat/3.1.14-1.el6_1 Thunderbird/3.1.14 
  Hi,


lsusb says: Bus 004 Device 002: ID 0409:55aa NEC Corp. Hub

Looks sensible.  Is that actually a USB 1.1 Hub?



Yes. If you want a USB 2.0 ID, use 0x03f0:0x2002 (HP Hub) instead.
Using USB 1.1 ID to prevent "High Speed" information cloud in XP.
No, a USB 1.1 Hub ID is perfectly fine as we are actually emulating a 1.1 Hub. Just asking because it wasn't obvious whenever this is a 1.1 or 2.0 hub id. 


0x46f4 is CRC16() of "QEMU".


Ok.  I'll add that as comment to the patch.

thanks,
  Gerd
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