linux-kernel - Re: [PATCH 2/2] arm64: dts: imx8mm: Add Gateworks IMX8MM Development Kits

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Message-ID: <CAJ+vNU3in8f1zchYj=X3LFY8P6G-_zTeOvCQ1u_rjp8+Bdmicw@mail.gmail.com>
Date:   Mon, 28 Dec 2020 09:55:41 -0800
From:   Tim Harvey <tharvey@...eworks.com>
To:     Sven Van Asbroeck <thesven73@...il.com>
Cc:     Anders Rønningen <anders@...ningen.priv.no>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: imx8mm: Add Gateworks IMX8MM Development Kits

On Thu, Dec 24, 2020 at 7:34 AM Sven Van Asbroeck <thesven73@...il.com> wrote:
>
> Tim, Anders,
>
> On Wed, Dec 23, 2020 at 5:45 PM Tim Harvey <tharvey@...eworks.com> wrote:
> >
> >  - 2x RJ45 GbE (IMX8MM FEC and LAN743x)
>
> I noticed that you are users of the LAN743x PCIe ethernet chip.
>
> On non-cache snooping architectures such as ARM, the receive performance of
> this chip's driver is about 1/3 of what it should be. I am currently preparing a
> patch set which boosts performance x3, but it's not trivial, so I am looking for
> LAN743X users who could help test the patch set - especially on arm64 or x86,
> architectures I have no access to.
>

Sven,

I'm happy to test your patches for lan743x.

Best regards,

Tim