patch "usb-storage: Add compatibility quirk flags for G-Technologies G-Drive" added to usb-testing

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This is a note to let you know that I've just added the patch titled

    usb-storage: Add compatibility quirk flags for G-Technologies G-Drive

to my usb git tree which can be found at
    git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-testing branch.

The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)

The patch will be merged to the usb-next branch sometime soon,
after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.


>From ca7d9515d0e6825351ce106066cea1f60e40b1c8 Mon Sep 17 00:00:00 2001
From: Alexander Kappner <agk@xxxxxxxxxxx>
Date: Fri, 18 May 2018 21:50:16 -0700
Subject: usb-storage: Add compatibility quirk flags for G-Technologies G-Drive

The "G-Drive" (sold by G-Technology) external USB 3.0 drive
 hangs on write access under UAS and usb-storage:

[  136.079121] sd 15:0:0:0: [sdi] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  136.079144] sd 15:0:0:0: [sdi] tag#0 Sense Key : Illegal Request [current]
[  136.079152] sd 15:0:0:0: [sdi] tag#0 Add. Sense: Invalid field in cdb
[  136.079176] sd 15:0:0:0: [sdi] tag#0 CDB: Write(16) 8a 08 00 00 00 00 00 00 00 00 00 00 00 08 00 00
[  136.079180] print_req_error: critical target error, dev sdi, sector 0
[  136.079183] Buffer I/O error on dev sdi, logical block 0, lost sync page write
[  136.173148] EXT4-fs (sdi): mounted filesystem with ordered data mode. Opts: (null)
[  140.583998] sd 15:0:0:0: [sdi] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  140.584010] sd 15:0:0:0: [sdi] tag#0 Sense Key : Illegal Request [current]
[  140.584016] sd 15:0:0:0: [sdi] tag#0 Add. Sense: Invalid field in cdb
[  140.584022] sd 15:0:0:0: [sdi] tag#0 CDB: Write(16) 8a 08 00 00 00 00 e8 c4 00 18 00 00 00 08 00 00
[  140.584025] print_req_error: critical target error, dev sdi, sector 3905159192
[  140.584044] print_req_error: critical target error, dev sdi, sector 3905159192
[  140.584052] Aborting journal on device sdi-8.

The proposed patch adds compatibility quirks. Because the drive requires two
quirks (one to work with UAS, and another to work with usb-storage), adding this
under unusual_devs.h and not just unusual_uas.h so kernels compiled without UAS
receive the quirk. With the patch, the drive works reliably on UAS and usb-
storage.
(tested on NEC Corporation uPD720200 USB 3.0 host controller).

Signed-off-by: Alexander Kappner <agk@xxxxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/storage/unusual_devs.h | 9 +++++++++
 drivers/usb/storage/unusual_uas.h  | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 747d3a9596d9..22fcfccf453a 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2321,6 +2321,15 @@ UNUSUAL_DEV(  0x4146, 0xba01, 0x0100, 0x0100,
 		"Micro Mini 1GB",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ),
 
+/* "G-DRIVE" external HDD hangs on write without these.
+ * Patch submitted by Alexander Kappner <agk@xxxxxxxxxxx>
+ */
+UNUSUAL_DEV(0x4971, 0x8024, 0x0000, 0x9999,
+		"SimpleTech",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_ALWAYS_SYNC),
+
 /*
  * Nick Bowler <nbowler@xxxxxxxxxxxxxxxx>
  * SCSI stack spams (otherwise harmless) error messages.
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 38434d88954a..d0bdebd87ce3 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -107,3 +107,12 @@ UNUSUAL_DEV(0x4971, 0x8017, 0x0000, 0x9999,
 		"External HDD",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_REPORT_OPCODES),
+
+/* "G-DRIVE" external HDD hangs on write without these.
+ * Patch submitted by Alexander Kappner <agk@xxxxxxxxxxx>
+ */
+UNUSUAL_DEV(0x4971, 0x8024, 0x0000, 0x9999,
+		"SimpleTech",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_ALWAYS_SYNC),
-- 
2.17.0





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