From: Chunhao Lin
Date: Tue, 8 Mar 2016 16:51:05 +0800
> For pcie nic, after setting link speed and thers is no link driver does not
> need
> to do phy reset untill link up.
"there's", "until"
> For some pcie nics, to do this will also reset phy speed down counter and
> prevent
> phy from au
Hau :
[...]
> Unless pcie nic has bug, pcie nic does not need to reset phy to let phy link
> on.
>
> There is a counter for phy speed down. If phy is in link down state, this
> counter will start to count down. When it count to 0, phy will speed down.
> Reset phy will reset this counter and pre
[...]
> Can you clarify:
> - actually this patch does not care about the link at all. So when there's
> link no phy reset is needed either, right ?
> - does "this" in "to do this" means that
> 1. phy reset prevents phy from auto speed down
> 2. avoiding phy reset prevents phy from auto speed
Chunhao Lin :
> For pcie nic, after setting link speed and thers is no link driver does not
> need
> to do phy reset untill link up.
>
> For some pcie nics, to do this will also reset phy speed down counter and
> prevent
> phy from auto speed down.
>
> This patch fix the issue reported in fol
For pcie nic, after setting link speed and thers is no link driver does not
need
to do phy reset untill link up.
For some pcie nics, to do this will also reset phy speed down counter and
prevent
phy from auto speed down.
This patch fix the issue reported in following link.
https://bugs.launchp