From: Gerd Hoffmann <kraxel@redhat.com>
To: Roy Tam <roytam@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>
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 [thread overview]
Message-ID: <4E731AE0.40008@redhat.com> (raw)
In-Reply-To: <CAA=zYJZ6FikPM1CqrP+2ptxJyPcpe172cB27jM0rJhikBWrxLA@mail.gmail.com>
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
prev parent reply other threads:[~2011-09-16 9:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-15 3:25 [Qemu-devel] [PATCH] usb: change VID/PID for usb-hub and usb-msd to prevent conflict Roy Tam
2011-09-15 16:06 ` Gerd Hoffmann
2011-09-16 0:14 ` Roy Tam
2011-09-16 9:46 ` Gerd Hoffmann [this message]
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