linux-kernel - [34-longterm 010/247] USB: usb-storage: unusual_devs update for TrekStor DataStation maxi g.u external hard drive enclosure

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Message-Id: <1308849690-14530-11-git-send-email-paul.gortmaker@windriver.com>
Date:	Thu, 23 Jun 2011 13:17:33 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	stable@...nel.org, linux-kernel@...r.kernel.org
Cc:	stable-review@...nel.org,
	Richard SchÃ¼tz <r.schtz@...nline.de>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [34-longterm 010/247] USB: usb-storage: unusual_devs update for TrekStor DataStation maxi g.u external hard drive enclosure

From: Richard SchÃ¼tz <r.schtz@...nline.de>

                   -------------------
    This is a commit scheduled for the next v2.6.34 longterm release.
    If you see a problem with using this for longterm, please comment.
                   -------------------

commit 7e1e7bd9dbd469267b6e6de1bf8d71a7d65ce86a upstream.

The TrekStor DataStation maxi g.u external hard drive enclosure uses a
JMicron USB to SATA chip which needs the US_FL_IGNORE_RESIDUE flag to work
properly.

[PG: change USB_ --> US_ to match 2.6.34.x naming conventions]

Signed-off-by: Richard SchÃ¼tz <r.schtz@...nline.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 drivers/usb/storage/unusual_devs.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 0fa56ea..c246fe8 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1875,6 +1875,15 @@ UNUSUAL_DEV( 0x1908, 0x1320, 0x0000, 0x0000,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_BAD_SENSE ),
 
+/* Patch by Richard Schütz <r.schtz@...nline.de>
+ * This external hard drive enclosure uses a JMicron chip which
+ * needs the US_FL_IGNORE_RESIDUE flag to work properly. */
+UNUSUAL_DEV(  0x1e68, 0x001b, 0x0000, 0x0000,
+		"TrekStor GmbH & Co. KG",
+		"DataStation maxi g.u",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
+
 UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001,
 		"ST",
 		"2A",
-- 
1.7.4.4

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