netdev - Re: [PATCH v2 1/7] mdio:mux: Enhanced MDIO mux framework for integrated multiplexers

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Date:	Wed, 1 Jun 2016 15:02:07 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Pramod Kumar <pramod.kumar@...adcom.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Kishon Vijay Abraham I <kishon@...com>,
	"David S. Miller" <davem@...emloft.net>,
	devicetree@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/7] mdio:mux: Enhanced MDIO mux framework for
 integrated multiplexers

> diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
> index 8453f08..cf40e7a 100644
> --- a/drivers/of/of_mdio.c
> +++ b/drivers/of/of_mdio.c
> @@ -225,6 +225,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
>  	if (rc)
>  		return rc;
>  
> +	if (of_property_read_bool(np, "mdio-integrated-mux"))
> +		return 0;
> +

Hi

Rather than doing this, did you try setting bus->phy_mask = 0 and
calling mdiobus_register(), rather than of_mdiobus_regsiter() for the
parent bus?

	Andrew