linux-kernel - Re: [PATCH] net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes

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Date:   Fri, 19 Mar 2021 20:50:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     alexandre.torgue@...com, davem@...emloft.net,
        jernej.skrabec@...l.net, joabreu@...opsys.com,
        marek.belisko@...il.com, mripard@...nel.org,
        peppe.cavallaro@...com, wens@...e.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri, 19 Mar 2021 13:44:22 +0000 you wrote:
> MTU cannot be changed on dwmac-sun8i. (ip link set eth0 mtu xxx returning EINVAL)
> This is due to tx_fifo_size being 0, since this value is used to compute valid
> MTU range.
> Like dwmac-sunxi (with commit 806fd188ce2a ("net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes"))
> dwmac-sun8i need to have tx and rx fifo sizes set.
> I have used values from datasheets.
> After this patch, setting a non-default MTU (like 1000) value works and network is still useable.
> 
> [...]

Here is the summary with links:
  - net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes
    https://git.kernel.org/netdev/net/c/014dfa26ce1c

You are awesome, thank you!
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