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

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Message-Id: 
 <175829222324.3219626.3424279690978099587.git-patchwork-notify@kernel.org>
Date: Fri, 19 Sep 2025 14:30:23 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: ChunHao Lin <hau@...ltek.com>
Cc: hkallweit1@...il.com, nic_swsd@...ltek.com, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] r8169: set EEE speed down ratio to 1

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 18 Sep 2025 10:34:25 +0800 you 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.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] r8169: set EEE speed down ratio to 1
    https://git.kernel.org/netdev/net-next/c/bf7154ffb1c6

You are awesome, thank you!
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