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Subject[PATCH 4.9 64/96] uas: ignore UAS for Norelsys NS1068(X) chips
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Icenowy Zheng <icenowy@aosc.io>

commit 928afc85270753657b5543e052cc270c279a3fe9 upstream.

The UAS mode of Norelsys NS1068(X) is reported to fail to work on
several platforms with the following error message:

xhci-hcd xhci-hcd.0.auto: ERROR Transfer event for unknown stream ring slot 1 ep 8
xhci-hcd xhci-hcd.0.auto: @00000000bf04a400 00000000 00000000 1b000000 01098001

And when trying to mount a partition on the disk the disk will
disconnect from the USB controller, then after re-connecting the device
will be offlined and not working at all.

Falling back to USB mass storage can solve this problem, so ignore UAS
function of this chip.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/usb/storage/unusual_uas.h | 7 +++++++
1 file changed, 7 insertions(+)

--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -156,6 +156,13 @@ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x99
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),

+/* Reported-by: Icenowy Zheng <icenowy@aosc.io> */
+UNUSUAL_DEV(0x2537, 0x1068, 0x0000, 0x9999,
+ "Norelsys",
+ "NS1068X",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/* Reported-by: Takeo Nakayama <javhera@gmx.com> */
UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999,
"JMicron",

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