linux-kernel - [PATCH 3.4 52/91] USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter

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Message-Id: <1422418236-12852-103-git-send-email-lizf@kernel.org>
Date:	Wed, 28 Jan 2015 12:07:50 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Mark <markk@...ra.co.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 52/91] USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter

From: Mark <markk@...ra.co.uk>

3.4.105-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit b6a3ed677991558ce09046397a7c4d70530d15b3 upstream.

Hi,

The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g.
iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM
Microsystems chips. Only the connectors differ; both have the same USB ID.
The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other
than 0.

I don't have one of these, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the products use.

Signed-off-by: Mark Knibbs <markk@...ra.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 drivers/usb/storage/unusual_devs.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 18a9522..8642da6 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1952,6 +1952,12 @@ UNUSUAL_DEV(  0x177f, 0x0400, 0x0000, 0x0000,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ),
 
+UNUSUAL_DEV(  0x1822, 0x0001, 0x0000, 0x9999,
+		"Ariston Technologies",
+		"iConnect USB to SCSI adapter",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Reported by Hans de Goede <hdegoede@...hat.com>
  * These Appotech controllers are found in Picture Frames, they provide a
  * (buggy) emulation of a cdrom drive which contains the windows software
-- 
1.9.1

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