[PATCH 2.6.23] PS3: Ignore storage devices that are still being probed

[Geoff Levand]

Geert Uytterhoeven wrote:
> PS3: A storage device may show up in the repository before the hypervisor has
> finished probing:
>   - If its type is not yet known, it shows up as PS3_DEV_TYPE_STOR_DUMMY,
>   - If its regions are being probed, it shows up as having zero regions.
> If any of these happen, consider the device not yet present.  The storage
> probe thread will retry later.
> 
> This fixes the timing-dependent problem where a kernel booted from FLASH ROM
> sometimes cannot find the hard disk.
> 
> Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven at sonycom.com>

Paul,

This fixes a problem reported by users, so it would be nice for it to go
in for 2.6.23 if possible.  Sorry for it being so late. 

Acked-by: Geoff Levand <geoffrey.levand at am.sony.com>