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Subject[patch 29/32] USB: storage: Unusual USB device Prolific 2507 variation added
2.6.27-stable review patch.  If anyone has any objections, please let us know.


From: Thomas Bartosik <>

commit 8a0845c51b2e300f5204a323b874f7f58ea0eff7 upstream.

The "c-enter" USB to Toshiba 1.8" IDE enclosure needs special treatment
to work flawlessly. This patch is absolutely trivial, as the integrated
USB-IDE bridge is already identified to be an "unusual" device, only the
bcdDevice is different (lower) to the bcdDeviceMin already included in
the kernel.
It is a Prolific 2507 bridge.

T: Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=067b ProdID=2507 Rev= 0.01
S: Manufacturer=Prolific Technology Inc.
S: Product=ATAPI-6 Bridge Controller
S: SerialNumber=00000272
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Thomas Bartosik <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/usb/storage/unusual_devs.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -990,7 +990,9 @@ UNUSUAL_DEV( 0x066f, 0x8000, 0x0001, 0x0

/* Reported by Richard -=[]=- <> */
-UNUSUAL_DEV( 0x067b, 0x2507, 0x0100, 0x0100,
+/* Change to bcdDeviceMin (0x0100 to 0x0001) reported by
+ * Thomas Bartosik <> */
+UNUSUAL_DEV( 0x067b, 0x2507, 0x0001, 0x0100,
"Prolific Technology Inc.",
"Mass Storage Device",

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