Re: [PATCH net-next v2] r8169: set EEE speed down ratio to 1

[Heiner Kallweit]

On 9/18/2025 4:34 AM, ChunHao Lin wrote:
> EEE speed down means speed down MAC MCU clock. It is not from spec.
> It is kind of Realtek specific power saving feature. But enable it
> may cause some issues, like packet drop or interrupt loss. Different
> hardware may have different issues.
> 
> EEE speed down ratio (mac ocp 0xe056[7:4]) is used to set EEE speed
> down rate. The larger this value is, the more power can save. But it
> actually save less power then we expected. And, as mentioned above,
> will impact compatibility. So set it to 1 (mac ocp 0xe056[7:4] = 0)
> , which means not to speed down, to improve compatibility.
> 
> Signed-off-by: ChunHao Lin <hau@xxxxxxxxxxx>
> ---
> v1 -> v2: update commit message
> 
Reviewed-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>