From: <Arun.Ramadoss@microchip.com>
To: <netdev@vger.kernel.org>, <foss@martin-whitaker.me.uk>
Cc: <o.rempel@pengutronix.de>, <Woojung.Huh@microchip.com>,
<kuba@kernel.org>, <UNGLinuxDriver@microchip.com>,
<lukma@denx.de>
Subject: Re: [PATCH net] net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897.
Date: Thu, 8 Aug 2024 02:44:57 +0000 [thread overview]
Message-ID: <d00c52e1eff78e5c0c84ed40dced8660408c1fa3.camel@microchip.com> (raw)
In-Reply-To: <20240807205209.21464-1-foss@martin-whitaker.me.uk>
Hi Martin,
On Wed, 2024-08-07 at 21:52 +0100, Martin Whitaker wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you
> know the content is safe
>
> As noted in the device errata [1-8], EEE support is not fully
> operational
> in the KSZ8567, KSZ9477, KSZ9567, KSZ9896, and KSZ9897 devices,
> causing
> link drops when connected to another device that supports EEE. The
> patch
> series "net: add EEE support for KSZ9477 switch family" merged in
> commit
> 9b0bf4f77162 caused EEE support to be enabled in these devices. A fix
> for
> this regression for the KSZ9477 alone was merged in commit
> 08c6d8bae48c2.
> This patch extends this fix to the other affected devices.
>
> [1]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ8567R-Errata-DS80000752.pdf
> [2]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ8567S-Errata-DS80000753.pdf
> [3]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9477S-Errata-DS80000754.pdf
> [4]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9567R-Errata-DS80000755.pdf
> [5]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9567S-Errata-DS80000756.pdf
> [6]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9896C-Errata-DS80000757.pdf
> [7]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9897R-Errata-DS80000758.pdf
> [8]
> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9897S-Errata-DS80000759.pdf
>
> Fixes: 69d3b36ca045 ("net: dsa: microchip: enable EEE support") # for
> KSZ8567/KSZ9567/KSZ9896/KSZ9897
> Link:
> https://lore.kernel.org/netdev/137ce1ee-0b68-4c96-a717-c8164b514eec@martin-whitaker.me.uk/
> Signed-off-by: Martin Whitaker <foss@martin-whitaker.me.uk>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
next prev parent reply other threads:[~2024-08-08 2:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-07 20:52 [PATCH net] net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897 Martin Whitaker
2024-08-08 2:44 ` Arun.Ramadoss [this message]
2024-08-08 4:14 ` Oleksij Rempel
2024-08-08 9:02 ` Lukasz Majewski
2024-08-08 16:20 ` patchwork-bot+netdevbpf
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