NACK: [PATCH 0/1][SRU][OEM-5.10] UBUNTU: SAUCE: Fix Ethernet not working by hotplug - RTL8106E

Koba Ko koba.ko at canonical.com
Thu Jun 3 04:20:26 UTC 2021


Fix format error

On Thu, Jun 3, 2021 at 10:27 AM Koba Ko <koba.ko at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/1930645
>
> [Impact]
> After hot-plug the Ethernet cable, the status of Ethernet is always down.
>
> [Fix]
> Because ASPM is enabled on RTL8106E, the link change interrupt can't be fired immediately.
> Need to wait a long time to get the link change interrupt.
> Introduce a polling method to watch the link status and disable the link change interrupt for RTL8106E.
>
> Due to schedule, SRU this patch first and will upstream later.
>
> [Test]
> Verified on machines with Realtek Ethernet device, the Ethernet works well after hotplug 30 times.
>
> [Regression Potential]
> High, may have some cases missed in link change polling method and will fix them in the future.
>
> Koba Ko (1):
>   r8169: introduce polling method for link change
>
>  drivers/net/ethernet/realtek/r8169.h      |   2 +
>  drivers/net/ethernet/realtek/r8169_main.c | 116 +++++++++++++++++++---
>  2 files changed, 102 insertions(+), 16 deletions(-)
>
> --
> 2.25.1
>



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