From: <gregkh@linuxfoundation.org>
To: icenowy@aosc.io, gregkh@linuxfoundation.org,
stable@vger.kernel.org, stern@rowland.harvard.edu
Subject: patch "USB: storage: add quirk for SMI SM3350" added to usb-linus
Date: Mon, 07 Jan 2019 17:24:52 +0100 [thread overview]
Message-ID: <1546878292214215@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
USB: storage: add quirk for SMI SM3350
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-linus 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 hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
From 0a99cc4b8ee83885ab9f097a3737d1ab28455ac0 Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@aosc.io>
Date: Thu, 3 Jan 2019 11:26:18 +0800
Subject: USB: storage: add quirk for SMI SM3350
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@aosc.io>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/storage/unusual_devs.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index f7f83b21dc74..ea0d27a94afe 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1265,6 +1265,18 @@ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),
+/*
+ * Reported by Icenowy Zheng <icenowy@aosc.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 ),
+
/*
* Reported by Paul Hartman <paul.hartman+linux@gmail.com>
* This card reader returns "Illegal Request, Logical Block Address
--
2.20.1
reply other threads:[~2019-01-07 16:25 UTC|newest]
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