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

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Message-ID: <50B79762.2040009@gmail.com>
Date:	Thu, 29 Nov 2012 11:12:02 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Alexander Sverdlin <asv@...go.com>
CC:	Stephen Warren <swarren@...dotorg.org>,
	devicetree-discuss@...ts.ozlabs.org,
	Rob Herring <rob.herring@...xeda.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	netdev@...r.kernel.org, Barry.Song@....com, w.sang@...gutronix.de,
	alexander sverdlin <alexander.sverdlin.ext@....com>
Subject: Re: [PATCH 1/2] of_mdio: Honour "status=disabled" property of device

On 11/29/2012 01:45 AM, Alexander Sverdlin 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.

Rob

> --- 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;
> _______________________________________________
> devicetree-discuss mailing list
> devicetree-discuss@...ts.ozlabs.org
> https://lists.ozlabs.org/listinfo/devicetree-discuss
> 

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