linux-kernel - Re: [PATCH 5.10 72/74] net: dsa: mt7530: make NET_DSA_MT7530 select MEDIATEK_GE

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Date:   Wed, 9 Feb 2022 20:08:46 +0100
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Arınç ÜNAL <arinc.unal@...nc9.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH 5.10 72/74] net: dsa: mt7530: make NET_DSA_MT7530 select
 MEDIATEK_GE_PHY

Hi!

> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> commit 4223f86512877b04c932e7203648b37eec931731 upstream.
> 
> Make MediaTek MT753x DSA driver enable MediaTek Gigabit PHYs driver to
> properly control MT7530 and MT7531 switch PHYs.
> 
> A noticeable change is that the behaviour of switchport interfaces going
> up-down-up-down is no longer there.

This is unsuitable for 5.10 at least:

> +++ b/drivers/net/dsa/Kconfig
> @@ -36,6 +36,7 @@ config NET_DSA_MT7530
>  	tristate "MediaTek MT753x and MT7621 Ethernet switch support"
>  	depends on NET_DSA
>  	select NET_DSA_TAG_MTK
> +	select MEDIATEK_GE_PHY

This symbol does not exist in 5.10.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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