APPLIED(B,E)/cmt: [OEM-B/OEM-OSP1-B/B/E/F/U][PATCH 0/1] UBUNTU SAUCE: Fix time-consuming r8152 init during Dell WD19/WD19DC hotplug

Khaled Elmously khalid.elmously at canonical.com
Fri Mar 13 03:32:03 UTC 2020


Updated the commit title to say "r8152" instead of "r8151"



On 2020-02-24 14:58:43 , You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1864284
> 
> [Impact]
> USB devices attached to Dell WD19/WD19DC USB Type-C dock take up to nearly one
> minutes to be ready for use.
> 
> [Fix]
> r8152 driver init process involves several for-loops that each may take up to 14
> seconds to exit when USB port reset occurs during hotplug. This is still
> reproducible with latest v5.6-rc mainline kernel although the fail rate is much
> lower since v5.5-rc7.
> 
> [Test Case]
> Verified on Dell WD19DC.
> 
> [Regression Potential]
> Low. Just to exit the loop early when it should have been.
> 
> You-Sheng Yang (1):
>   r8151: check disconnect status after sleep
> 
>  drivers/net/usb/r8152.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> -- 
> 2.25.0
> 
> 
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