netdev - Re: [PATCH] net: dsa: microchip: fix NULL pointer dereference on platform init

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Message-ID: <19d4d689-a73e-4301-b22c-5ad2dfb4410d@lunn.ch>
Date: Wed, 6 Dec 2023 16:26:52 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Vladimir Oltean <olteanv@...il.com>
Cc: Daniel Danzberger <dd@...edd.com>, woojung.huh@...rochip.com,
	UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org,
	Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH] net: dsa: microchip: fix NULL pointer dereference on
 platform init

> So, surprisingly, there is enough redundancy between DSA mechanisms that
> platform_data kinda works.

I have x86 platforms using mv88e6xxx with platform data. Simple
systems do work, the platforms i have only make use of the internal
PHYs. This is partially because of history. DSA is older than the
adoption of DT. The mv88e6xxx driver and DSA used to be purely
platform data driven, and we have not yet broken that.

	Andrew