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From: Hau <hau@realtek.com>
To: Heiner Kallweit <hkallweit1@gmail.com>,
	nic_swsd <nic_swsd@realtek.com>,
	"andrew+netdev@lunn.ch" <andrew+netdev@lunn.ch>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"edumazet@google.com" <edumazet@google.com>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"pabeni@redhat.com" <pabeni@redhat.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH net-next] r8169: set EEE speed down ratio to 1
Date: Wed, 17 Sep 2025 17:26:13 +0000	[thread overview]
Message-ID: <f5494952210a4f12a20f691a4ef03201@realtek.com> (raw)
In-Reply-To: <0c5f8ebd-5ac0-4ac5-ae66-24a5acea371c@gmail.com>

> >>
> >> External mail : This email originated from outside the organization.
> >> Do not reply, click links, or open attachments unless you recognize
> >> the sender and know the content is safe.
> >>
> >>
> >>
> >> On 9/4/2025 4:11 AM, ChunHao Lin wrote:
> >>> EEE speed down ratio (mac ocp 0xe056[7:4]) is used to control EEE
> >>> speed down rate. The larger this value is, the more power can save.
> >>> But it actually save less power then expected, but will impact
> >>> compatibility. So set it to 1 (mac ocp 0xe056[7:4] = 0) to improve
> >> compatibility.
> >>>
> >>> Signed-off-by: ChunHao Lin <hau@realtek.com>
> >>> ---
> >>
> >> Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
> >
> > This patch seems has been reviewed. But I did not see it been accepted.
> Should I resubmit the patch?
> 
> Its status in patchwork is "changes requested", likely due to the fact that we
> had a conversation about the patch. So yes, please resubmit, with my Rb,
> and best also add the following, that you wrote, to the commit message.
> 
I will resubmit the patch. Thanks.

> It means clock (MAC MCU) speed down. It is not from spec, so it is kind of
> Realtek specific feature.
> It may cause packet drop or interrupt loss (different hardware may have
> different issue).


      reply	other threads:[~2025-09-17 17:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-04  2:11 [PATCH net-next] r8169: set EEE speed down ratio to 1 ChunHao Lin
2025-09-04  6:16 ` Heiner Kallweit
2025-09-05 13:43   ` Hau
2025-09-05 19:57     ` Heiner Kallweit
2025-09-05 19:56 ` Heiner Kallweit
2025-09-17 14:48   ` Hau
2025-09-17 17:17     ` Heiner Kallweit
2025-09-17 17:26       ` Hau [this message]

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