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

[Gerd Hoffmann <kraxel@redhat.com>]

On 09/15/11 05:25, Roy Tam wrote:
> Some USB drivers, for example USBASPI.SYS, will skip different type of
> device which has same VID/PID. The following patch helps preventing
> usb-msd being skipped by the driver.

How and why did you pick those IDs?

>   static const USBDesc desc_hub = {
>       .id = {
> -        .idVendor          = 0,
> -        .idProduct         = 0,
> +        .idVendor          = 0x0409,
> +        .idProduct         = 0x55aa,

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

Looks sensible.  Is that actually a USB 1.1 Hub?

>   static const USBDesc desc = {
>       .id = {
> -        .idVendor          = 0,
> -        .idProduct         = 0,
> +        .idVendor          = 0x46f4,
> +        .idProduct         = 0x0001,

lsusb doesn't find those IDs in the database.

cheers,
   Gerd