linux-kernel - [PATCH 4.19 03/25] uas: ignore UAS for Thinkplus chips

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Date:   Mon,  3 Oct 2022 09:12:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
        stable <stable@...nel.org>,
        Hongling Zeng <zenghongling@...inos.cn>
Subject: [PATCH 4.19 03/25] uas: ignore UAS for Thinkplus chips

From: Hongling Zeng <zenghongling@...inos.cn>

commit 0fb9703a3eade0bb84c635705d9c795345e55053 upstream.

The UAS mode of Thinkplus(0x17ef, 0x3899) is reported to influence
performance and trigger kernel panic on several platforms with the
following error message:

[   39.702439] xhci_hcd 0000:0c:00.3: ERROR Transfer event for disabled
               endpoint or incorrect stream ring
[   39.702442] xhci_hcd 0000:0c:00.3: @000000026c61f810 00000000 00000000
               1b000000 05038000

[  720.545894][13] Workqueue: usb_hub_wq hub_event
[  720.550971][13]  ffff88026c143c38 0000000000016300 ffff8802755bb900 ffff880
                    26cb80000
[  720.559673][13]  ffff88026c144000 ffff88026ca88100 0000000000000000 ffff880
                    26cb80000
[  720.568374][13]  ffff88026cb80000 ffff88026c143c50 ffffffff8186ae25 ffff880
                    26ca880f8
[  720.577076][13] Call Trace:
[  720.580201][13]  [<ffffffff8186ae25>] schedule+0x35/0x80
[  720.586137][13]  [<ffffffff8186b0ce>] schedule_preempt_disabled+0xe/0x10
[  720.593623][13]  [<ffffffff8186cb94>] __mutex_lock_slowpath+0x164/0x1e0
[  720.601012][13]  [<ffffffff8186cc3f>] mutex_lock+0x2f/0x40
[  720.607141][13]  [<ffffffff8162b8e9>] usb_disconnect+0x59/0x290

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

Acked-by: Alan Stern <stern@...land.harvard.edu>
Cc: stable <stable@...nel.org>
Signed-off-by: Hongling Zeng <zenghongling@...inos.cn>
Link: https://lore.kernel.org/r/1663902249837086.19.seg@mailgw
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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
@@ -132,6 +132,13 @@ UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x99
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_ATA_1X),
 
+/* Reported-by: Hongling Zeng <zenghongling@...inos.cn> */
+UNUSUAL_DEV(0x17ef, 0x3899, 0x0000, 0x9999,
+		"Thinkplus",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_UAS),
+
 /* Reported-by: Hans de Goede <hdegoede@...hat.com> */
 UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
 		"VIA",