These drives hang when receiving ATA12 commands, so set the US_FL_NO_ATA_1X
quirk to filter these out.

Cc: [email protected] # 3.16
Signed-off-by: Hans de Goede <[email protected]>
---
 drivers/usb/storage/unusual_uas.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/storage/unusual_uas.h 
b/drivers/usb/storage/unusual_uas.h
index 44ab3289..2fefaf9 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -75,6 +75,13 @@ UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_NO_ATA_1X),
 
+/* https://bbs.archlinux.org/viewtopic.php?id=183190 */
+UNUSUAL_DEV(0x0bc2, 0xab21, 0x0000, 0x9999,
+               "Seagate",
+               "Backup+ BK",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_NO_ATA_1X),
+
 /* Reported-by: Claudio Bizzarri <[email protected]> */
 UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
                "JMicron",
-- 
2.1.0

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