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Date: Mon, 26 Feb 2024 17:25:00 +0100
From: Robert Marko <robimarko@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: f.fainelli@...il.com, olteanv@...il.com, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: add Amethyst specific SMI
 GPIO function

On Mon, 26 Feb 2024 at 14:57, Andrew Lunn <andrew@...n.ch> wrote:
>
> On Sat, Feb 24, 2024 at 09:33:09PM +0100, Robert Marko wrote:
> > The existing mv88e6xxx_g2_scratch_gpio_set_smi() cannot be used on the
> > 88E6393X as it requires certain P0_MODE, it also checks the CPU mode
> > as it impacts the bit setting value.
> >
> > This is all irrelevant for Amethyst (MV88E6191X/6193X/6393X) as only
> > the default value of the SMI_PHY Config bit is set to CPU_MGD bootstrap
> > pin value but it can be changed without restrictions so that GPIO pins
> > 9 and 10 are used as SMI pins.
> >
> > So, introduce Amethyst specific function and call that if the Amethyst
> > family wants to setup the external PHY.
>
> This looks good. The only comment i have is maybe we should rename
> mv88e6xxx_g2_scratch_gpio_set_smi() to something more specific. It
> seems it is only applicable to MV88E6XXX_FAMILY_6390, so maybe
> mv88e6390_g2_scratch_gpio_set_smi()?

That sounds like a good idea, want me to send a v2 with the rename as well?

Regards,
Robert
>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
>
>     Andrew

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