Thread (1 message) 1 message, 1 author, 2021-12-06
STALE1691d

[PATCH AUTOSEL 5.15 08/24] USB: NO_LPM quirk Lenovo Powered USB-C Travel Hub

From: Sasha Levin <sashal@kernel.org>
Date: 2021-12-06 21:14:05
Also in: lkml, stable
Subsystem: the rest, usb subsystem · Maintainers: Linus Torvalds, Greg Kroah-Hartman

From: Ole Ernst <redacted>

[ Upstream commit 49989adc38f8693fb6e9f019904dd00c1d1db5ac ]

This is another branded 8153 device that doesn't work well with LPM:
r8152 2-2.1:1.0 enp0s13f0u2u1: Stop submitting intr, status -71

Disable LPM to resolve the issue.

Signed-off-by: Ole Ernst <redacted>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8239fe7129dd7..019351c0b52cf 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -434,6 +434,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x1532, 0x0116), .driver_info =
 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+	/* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */
+	{ USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */
 	{ USB_DEVICE(0x17ef, 0xa012), .driver_info =
 			USB_QUIRK_DISCONNECT_SUSPEND },
-- 
2.33.0
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