Re: [PATCH 1/2 v2] net: eth: Refactor OF tree fixup of one node into new function

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Oct 21, 2015 at 07:37:00PM +0000, Trent Piepho wrote:
> Code that fixes up one node with a new MAC address is refactored into
> a new function that eth_of_fixup() calls in a loop.
> 
> Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
> ---
>  net/eth.c | 62 ++++++++++++++++++++++++++++++++++----------------------------
>  1 file changed, 34 insertions(+), 28 deletions(-)

Applied, thanks. Also applied 2/2.

Sascha

> 
> diff --git a/net/eth.c b/net/eth.c
> index b22e556..befa8d8 100644
> --- a/net/eth.c
> +++ b/net/eth.c
> @@ -289,42 +289,48 @@ static int eth_param_set_ethaddr(struct param_d *param, void *priv)
>  }
>  
>  #ifdef CONFIG_OFTREE
> -static int eth_of_fixup(struct device_node *root, void *unused)
> +static void eth_of_fixup_node(struct device_node *root,
> +			      const char *node_path, int ethid,
> +			      const u8 ethaddr[6])
>  {
> -	struct eth_device *edev;
>  	struct device_node *node;
>  	int ret;
>  
> +	if (!is_valid_ether_addr(ethaddr)) {
> +		pr_debug("%s: no valid mac address, cannot fixup\n",
> +			 __func__);
> +		return;
> +	}
> +
> +	if (node_path) {
> +		node = of_find_node_by_path_from(root, node_path);
> +	} else {
> +		char eth[12];
> +		sprintf(eth, "ethernet%d", ethid);
> +		node = of_find_node_by_alias(root, eth);
> +	}
> +
> +	if (!node) {
> +		pr_debug("%s: no node to fixup\n", __func__);
> +		return;
> +	}
> +
> +	ret = of_set_property(node, "mac-address", ethaddr, 6, 1);
> +	if (ret)
> +		pr_err("Setting mac-address property of %s failed with: %s\n",
> +		       node->full_name, strerror(-ret));
> +}
> +
> +static int eth_of_fixup(struct device_node *root, void *unused)
> +{
> +	struct eth_device *edev;
> +
>  	/*
>  	 * Add the mac-address property for each network device we
>  	 * find a nodepath for and which has a valid mac address.
>  	 */
> -	list_for_each_entry(edev, &netdev_list, list) {
> -		if (!is_valid_ether_addr(edev->ethaddr)) {
> -			dev_dbg(&edev->dev,
> -				"%s: no valid mac address, cannot fixup\n",
> -				__func__);
> -			continue;
> -		}
> -
> -		if (edev->nodepath) {
> -			node = of_find_node_by_path_from(root, edev->nodepath);
> -		} else {
> -			char eth[12];
> -			sprintf(eth, "ethernet%d", edev->dev.id);
> -			node = of_find_node_by_alias(root, eth);
> -		}
> -
> -		if (!node) {
> -			dev_dbg(&edev->dev, "%s: no node to fixup\n", __func__);
> -			continue;
> -		}
> -
> -		ret = of_set_property(node, "mac-address", edev->ethaddr, 6, 1);
> -		if (ret)
> -			pr_err("Setting mac-address property of %s failed with: %s\n",
> -					node->full_name, strerror(-ret));
> -	}
> +	list_for_each_entry(edev, &netdev_list, list)
> +		eth_of_fixup_node(root, edev->nodepath, edev->dev.id, edev->ethaddr);
>  
>  	return 0;
>  }
> -- 
> 1.8.3.1
> 
> 
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