netdev - Re: [PATCH 1/2] of_mdio: Honour "status=disabled" property of device

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Date:	Thu, 29 Nov 2012 17:36:30 +0000
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Alexander Sverdlin <asv@...go.com>,
	Stephen Warren <swarren@...dotorg.org>,
	devicetree-discuss@...ts.ozlabs.org,
	Rob Herring <rob.herring@...xeda.com>
Cc:	alexander sverdlin <alexander.sverdlin.ext@....com>,
	w.sang@...gutronix.de, Barry.Song@....com, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] of_mdio: Honour "status=disabled" property of device

On Thu, 29 Nov 2012 08:45:20 +0100, Alexander Sverdlin <asv@...go.com> wrote:
> From: Alexander Sverdlin <alexander.sverdlin@...go.com>
> 
> of_mdio: Honour "status=disabled" property of device
> 
> Currently of_mdiobus_register() function registers all PHY devices,
> independetly from their status property in device tree. According to
> "ePAPR 1.1" spec, device should only be registered if there is no
> "status" property, or it has "ok" (or "okay") value (see
> of_device_is_available()). In case of "platform devices",
> of_platform_device_create_pdata() checks for "status" and ensures
> that disabled devices are not pupulated. But such check for MDIO buses
> was missing until now. Fix it.
> 
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...go.com>

Applied, thanks.

g.

> ---
> --- linux.orig/drivers/of/of_mdio.c
> +++ linux/drivers/of/of_mdio.c
> @@ -53,7 +53,7 @@ int of_mdiobus_register(struct mii_bus *
>  		return rc;
>  
>  	/* Loop over the child nodes and register a phy_device for each one */
> -	for_each_child_of_node(np, child) {
> +	for_each_available_child_of_node(np, child) {
>  		const __be32 *paddr;
>  		u32 addr;
>  		int len;

-- 
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies, Ltd.
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