ACK: [SRU] [B/D/E/OEM-B/OEM-OSP1-B] [PATCH 0/3] Fix non-working Realtek USB ethernet after system resume

[You-Sheng Yang]

Acked-by: You-Sheng Yang <vicamo.yang at canonical.com>

On 2019-10-07 18:45, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1847063
> 
> [Impact]
> If mac passthrough is enbled, Realtek USB ethernet (r8152) doesn't work
> under the following steps:
> 1. Connect to a Dell dock
> 2. Suspend the system
> 3. Re-plug the dock
> 4. Resume the system
> 5. Ethernet stops working
> 
> [Fix]
> The USB port lose its power when the dock gets replugged, so we need to
> re-write the MAC address at reset_resume callback.
> 
> [Test]
> The fix is succesfully tested on Dell WD15 dock and TB16 dock.
> 
> [Regression Potential]
> Low. The fix limits to one single device and only take affect when MAC
> passthrough is enabled.
> 
> Kai-Heng Feng (1):
>   r8152: Set macpassthru in reset_resume callback
> 
> Mario Limonciello (2):
>   r8152: remove extra action copying ethernet address
>   r8152: Refresh MAC address during USBDEVFS_RESET
> 
>  drivers/net/usb/r8152.c | 54 +++++++++++++++++++++++++++--------------
>  1 file changed, 36 insertions(+), 18 deletions(-)
> 

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