Re: [PATCH v2 6/9] net/mlx5: Use RMW accessors for changing LNKCTL

[Moshe Shemesh]

On 5/17/2023 1:52 PM, Ilpo Järvinen wrote:
> Don't assume that only the driver would be accessing LNKCTL of the
> upstream bridge. ASPM policy changes can trigger write to LNKCTL
> outside of driver's control.
>
> Use RMW capability accessors which do proper locking to avoid losing
> concurrent updates to the register value.
>
> Fixes: eabe8e5e88f5 ("net/mlx5: Handle sync reset now event")
> Suggested-by: Lukas Wunner<lukas@xxxxxxxxx>
> Signed-off-by: Ilpo Järvinen<ilpo.jarvinen@xxxxxxxxxxxxxxx>
> Cc:stable@xxxxxxxxxxxxxxx
Reviewed-by: Moshe Shemesh <moshe@xxxxxxxxxx>

Thanks!