* [PATCH] USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
@ 2021-04-12 12:37 Kai-Heng Feng
2021-04-12 12:47 ` Johan Hovold
0 siblings, 1 reply; 2+ messages in thread
From: Kai-Heng Feng @ 2021-04-12 12:37 UTC (permalink / raw)
To: gregkh
Cc: Kai-Heng Feng, Alan Stern, penghao, Stefan Ursella, Kars Mulder,
Oliver Neukum, Tomasz Meresiński, Johan Hovold,
open list:USB SUBSYSTEM, open list
This is another branded 8153 device that doesn't work well with LPM
enabled:
[ 400.597506] r8152 5-1.1:1.0 enx482ae3a2a6f0: Tx status -71
So disable LPM to resolve the issue.
BugLink: https://bugs.launchpad.net/bugs/1922651
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
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 76ac5d6555ae..dfedb51cf832 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 ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */
+ { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM },
+
/* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */
{ USB_DEVICE(0x17ef, 0xa012), .driver_info =
USB_QUIRK_DISCONNECT_SUSPEND },
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
2021-04-12 12:37 [PATCH] USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet Kai-Heng Feng
@ 2021-04-12 12:47 ` Johan Hovold
0 siblings, 0 replies; 2+ messages in thread
From: Johan Hovold @ 2021-04-12 12:47 UTC (permalink / raw)
To: Kai-Heng Feng
Cc: gregkh, Alan Stern, penghao, Stefan Ursella, Kars Mulder,
Oliver Neukum, Tomasz Meresiński, open list:USB SUBSYSTEM,
open list
On Mon, Apr 12, 2021 at 08:37:52PM +0800, Kai-Heng Feng wrote:
> This is another branded 8153 device that doesn't work well with LPM
> enabled:
> [ 400.597506] r8152 5-1.1:1.0 enx482ae3a2a6f0: Tx status -71
>
> So disable LPM to resolve the issue.
> BugLink: https://bugs.launchpad.net/bugs/1922651
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> ---
> 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 76ac5d6555ae..dfedb51cf832 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 ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */
> + { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM },
> +
> /* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */
> { USB_DEVICE(0x17ef, 0xa012), .driver_info =
> USB_QUIRK_DISCONNECT_SUSPEND },
Please keep the entries sorted by VID/PID.
Johan
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-04-12 12:47 ` Johan Hovold
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