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Date:   Fri,  1 May 2020 15:21:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
        Cyril Roelandt <tipecaml@...il.com>
Subject: [PATCH 4.4 43/70] usb-storage: Add unusual_devs entry for JMicron JMS566

From: Alan Stern <stern@...land.harvard.edu>

commit 94f9c8c3c404ee1f7aaff81ad4f24aec4e34a78b upstream.

Cyril Roelandt reports that his JMicron JMS566 USB-SATA bridge fails
to handle WRITE commands with the FUA bit set, even though it claims
to support FUA.  (Oddly enough, a later version of the same bridge,
version 2.03 as opposed to 1.14, doesn't claim to support FUA.  Also
oddly, the bridge _does_ support FUA when using the UAS transport
instead of the Bulk-Only transport -- but this device was blacklisted
for uas in commit bc3bdb12bbb3 ("usb-storage: Disable UAS on JMicron
SATA enclosure") for apparently unrelated reasons.)

This patch adds a usb-storage unusual_devs entry with the BROKEN_FUA
flag.  This allows the bridge to work properly with usb-storage.

Reported-and-tested-by: Cyril Roelandt <tipecaml@...il.com>
Signed-off-by: Alan Stern <stern@...land.harvard.edu>
CC: <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2004221613110.11262-100000@iolanthe.rowland.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/storage/unusual_devs.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2208,6 +2208,13 @@ UNUSUAL_DEV(  0x3340, 0xffff, 0x0000, 0x
 		USB_SC_DEVICE,USB_PR_DEVICE,NULL,
 		US_FL_MAX_SECTORS_64 ),
 
+/* Reported by Cyril Roelandt <tipecaml@...il.com> */
+UNUSUAL_DEV(  0x357d, 0x7788, 0x0114, 0x0114,
+		"JMicron",
+		"USB to ATA/ATAPI Bridge",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BROKEN_FUA ),
+
 /* Reported by Andrey Rahmatullin <wrar@...linux.org> */
 UNUSUAL_DEV(  0x4102, 0x1020, 0x0100,  0x0100,
 		"iRiver",


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