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authorAlan Stern <stern@rowland.harvard.edu>2008-02-13 10:45:28 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2008-02-21 15:38:52 -0800
commita462549b6ad6d4de19a7702c13fbb954d9a10f29 (patch)
tree4c51f3c9d1874ccbd9ea7e09d41b6f1d23002018 /drivers/usb/storage/unusual_devs.h
parentaa59e053da08336e7def83e83c86369cd9fdaf8b (diff)
USB: usb-storage: don't clear-halt when Get-Max-LUN stalls
This patch (as1032) removes the Clear-Halt calls in usb_stor_Bulk_max_lun(). Evidently some devices (such as the Oracom MP3 player) really don't like to receive these requests when their bulk endpoints aren't halted. The only reason for adding them originally was to get an ancient ZIP-100 drive to work. But since this device has only a single LUN, we don't need to send it a Get-Max-LUN request at all. Adding an unusual_devs entry for the ZIP-100 with the SINGLE_LUN flag set will cause this step to be skipped. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/storage/unusual_devs.h')
-rw-r--r--drivers/usb/storage/unusual_devs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index fe12737e0e2b..a97e7ef252f0 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -759,6 +759,18 @@ UNUSUAL_DEV( 0x0595, 0x4343, 0x0000, 0x2210,
"Digital Camera EX-20 DSC",
US_SC_8070, US_PR_DEVICE, NULL, 0 ),
+/* Reported by Andre Welter <a.r.welter@gmx.de>
+ * This antique device predates the release of the Bulk-only Transport
+ * spec, and if it gets a Get-Max-LUN then it requires the host to do a
+ * Clear-Halt on the bulk endpoints. The SINGLE_LUN flag will prevent
+ * us from sending the request.
+ */
+UNUSUAL_DEV( 0x059b, 0x0001, 0x0100, 0x0100,
+ "Iomega",
+ "ZIP 100",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_SINGLE_LUN ),
+
/* Reported by <Hendryk.Pfeiffer@gmx.de> */
UNUSUAL_DEV( 0x059f, 0x0643, 0x0000, 0x0000,
"LaCie",