linux-kernel - Re: [PATCH] net: ethernet: mtk_eth

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Date:   Wed, 8 Jul 2020 09:32:03 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Frank Wunderlich <frank-w@...lic-files.de>
Cc:     linux-mediatek@...ts.infradead.org,
        René van Dorst <opensource@...rst.com>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ethernet: mtk_eth_soc: fix mtu warning

On Wed,  8 Jul 2020 17:46:34 +0200 Frank Wunderlich wrote:
> From: René van Dorst <opensource@...rst.com>
> 
> in recent Kernel-Versions there are warnings about incorrect MTU-Size
> like these:
> 
> mt7530 mdio-bus:00: nonfatal error -95 setting MTU on port x
> eth0: mtu greater than device maximum
> mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
> 
> Signed-off-by: René van Dorst <opensource@...rst.com>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> 
> Fixes: bfcb813203 ("net: dsa: configure the MTU for switch ports")
> Fixes: 72579e14a1 ("net: dsa: don't fail to probe if we couldn't set the MTU")
> Fixes: 7a4c53bee3 ("net: report invalid mtu value via netlink extack")

Fixes tag: Fixes: bfcb813203 ("net: dsa: configure the MTU for switch ports")
Has these problem(s):
	- SHA1 should be at least 12 digits long
	  Can be fixed by setting core.abbrev to 12 (or more) or (for git v2.11
	  or later) just making sure it is not set (or set to "auto").
Fixes tag: Fixes: 72579e14a1 ("net: dsa: don't fail to probe if we couldn't set the MTU")
Has these problem(s):
	- SHA1 should be at least 12 digits long
	  Can be fixed by setting core.abbrev to 12 (or more) or (for git v2.11
	  or later) just making sure it is not set (or set to "auto").
Fixes tag: Fixes: 7a4c53bee3 ("net: report invalid mtu value via netlink extack")
Has these problem(s):
	- SHA1 should be at least 12 digits long
	  Can be fixed by setting core.abbrev to 12 (or more) or (for git v2.11
	  or later) just making sure it is not set (or set to "auto").