linux-kernel - [PATCH 3.18 06/52] USB: storage: add quirk for SMI SM3350

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Message-Id: <20190124190141.994586529@linuxfoundation.org>
Date:   Thu, 24 Jan 2019 20:19:30 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Icenowy Zheng <icenowy@...c.io>,
        Alan Stern <stern@...land.harvard.edu>
Subject: [PATCH 3.18 06/52] USB: storage: add quirk for SMI SM3350

3.18-stable review patch.  If anyone has any objections, please let me know.

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

From: Icenowy Zheng <icenowy@...c.io>

commit 0a99cc4b8ee83885ab9f097a3737d1ab28455ac0 upstream.

The SMI SM3350 USB-UFS bridge controller cannot handle long sense request
correctly and will make the chip refuse to do read/write when requested
long sense.

Add a bad sense quirk for it.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
Cc: stable <stable@...r.kernel.org>
Acked-by: Alan Stern <stern@...land.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/storage/unusual_devs.h |   12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1393,6 +1393,18 @@ UNUSUAL_DEV(  0x0d49, 0x7310, 0x0000, 0x
 		US_FL_SANE_SENSE),
 
 /*
+ * Reported by Icenowy Zheng <icenowy@...c.io>
+ * The SMI SM3350 USB-UFS bridge controller will enter a wrong state
+ * that do not process read/write command if a long sense is requested,
+ * so force to use 18-byte sense.
+ */
+UNUSUAL_DEV(  0x090c, 0x3350, 0x0000, 0xffff,
+		"SMI",
+		"SM3350 UFS-to-USB-Mass-Storage bridge",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BAD_SENSE ),
+
+/*
  * Pete Zaitcev <zaitcev@...oo.com>, bz#164688.
  * The device blatantly ignores LUN and returns 1 in GetMaxLUN.
  */