Hi Alan,

That's a good question :-)

There seem to be two different flavors of ISD-300 (ie: 05ab,0060)
devices, one of which needs this entry to work, and the other doesn't.

I have a 2 1/2'' HDD enclosure which (just like your device) doesn't
need the entry (so when I plug it, I get the same warning as you).

However, I also happen to own two 5 1/4'' CD-ROM enclosures, for which
this entry *is* necessary. I tried again, very recently to remove my
unusual_devs.h entry, and it prevented them from working.

So, I think the entry should be kept (it does more good than harm), but
maybe it could get some tweaking ? If there's a way to recognize these
"CD-ROM enclosure" bridge chips and exclude the others, I'm all for it.

If you need some more info about those "CD-ROM enclosure" devices, I'd
be glad to provide it -- but I'm no USB expert :-)

btw my name is JoÃl (but the accented 'e' letter didn't go through)


Best Regards,

JoÃl



On Mon, 2004-06-28 at 16:41, Alan Stern wrote:
> On Fri, 25 Jun 2004, Michele G. wrote:
> 
> > usb-storage: This device (05ab,0060,1106 S 06 P 50) has unneededSubClass
> > and Protocol entries in unusual_devs.h
> 
> Hmm...  It looks like the entire entry is unnecessary.  Does you device 
> still work okay with the patch below?
> 
> Jol, can you say why the entry was added to unusual_devs.h in the first 
> place?
> 
> Alan Stern
> 
> 
> 
> ===== drivers/usb/storage/unusual_devs.h 1.134 vs edited =====
> --- 1.134/drivers/usb/storage/unusual_devs.h  Mon Jun 21 12:58:51 2004
> +++ edited/drivers/usb/storage/unusual_devs.h Mon Jun 28 10:39:52 2004
> @@ -366,12 +366,6 @@
>               "USB Hard Disk",
>               US_SC_RBC, US_PR_CB, NULL, 0 ), 
>  
> -/* Submitted by Jol Bourquard <[EMAIL PROTECTED]> */
> -UNUSUAL_DEV(  0x05ab, 0x0060, 0x1104, 0x1110,
> -             "In-System",
> -             "PyroGate External CD-ROM Enclosure (FCD-523)",
> -             US_SC_SCSI, US_PR_BULK, NULL, 0 ),
> -
>  #ifdef CONFIG_USB_STORAGE_ISD200
>  UNUSUAL_DEV(  0x05ab, 0x0031, 0x0100, 0x0110,
>               "In-System",



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