APPLIED[OEM-OSP1-B] Re: [SRU] [B/D/Unstable/OEM-B/OEM-OSP1-B] [PATCH 0/1] Intel ethernet I219 may wrongly detect connection speed as 10Mbps
Timo Aaltonen
tjaalton at ubuntu.com
Fri Jul 12 07:31:35 UTC 2019
On 11.7.2019 12.43, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1836177
>
> [Impact]
> Intel I219 ethernet may wrongly detect 1Gbps network as 10Mbps after
> ethernet cable hotplugging.
>
> [Fix]
> Use delayed work before deciding the network speed.
> This essentially workarounds unreliable reading on MII_BMSR register.
>
> [Test]
> Before the patch the network operates at 10Mbps after cable gets
> plugged.
> With the fix, network always operates in 1Gbps.
>
> [Regression Potential]
> Low. It changes the watchdog task from timer to delayed work, the logic
> is essentially the same.
>
> Detlev Casanova (1):
> e1000e: Make watchdog use delayed work
>
> drivers/net/ethernet/intel/e1000e/e1000.h | 5 +-
> drivers/net/ethernet/intel/e1000e/netdev.c | 54 ++++++++++++----------
> 2 files changed, 32 insertions(+), 27 deletions(-)
>
applied to osp1 oem-next, thanks
--
t
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