netdev - Re: [PATCH 1/2] Docs/devicetree: add serdes-output-amplitude to marvell.txt

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Message-ID: <YaEHePSipJPoC9yW@lunn.ch>
Date:   Fri, 26 Nov 2021 17:12:40 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Holger Brunck <holger.brunck@...achienergy.com>
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH 1/2] Docs/devicetree: add serdes-output-amplitude to
 marvell.txt

On Fri, Nov 26, 2021 at 04:42:48PM +0100, Holger Brunck wrote:
> This can be configured from the device tree. Add this property to the
> documentation accordingly.
> The eight different values added in the dt-bindings file correspond to
> the values we can configure on 88E6352, 88E6240 and 88E6176 switches
> according to the datasheet.

This should probably be a port property, not a switch property. It
applies to the SERDES, and the SERDES belongs to a port. What you have
now only works because there is a single SERDES for this switch
family, but other switch families have multiple SERDESes.

	Andrew