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Date:   Thu, 16 Jan 2020 21:50:27 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, linux@...linux.org.uk,
        f.fainelli@...il.com, vivien.didelot@...il.com,
        claudiu.manoil@....com, alexandru.marginean@....com,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH net-next] net: dsa: felix: Don't error out on disabled
 ports with no phy-mode

On Thu, Jan 16, 2020 at 08:34:49PM +0200, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> The felix_parse_ports_node function was tested only on device trees
> where all ports were enabled. Fix this check so that the driver
> continues to probe only with the ports where status is not "disabled",
> as expected.
> 
> Fixes: bdeced75b13f ("net: dsa: felix: Add PCS operations for PHYLINK")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> ---
>  drivers/net/dsa/ocelot/felix.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
> index feccb6201660..d6ee089dbfe1 100644
> --- a/drivers/net/dsa/ocelot/felix.c
> +++ b/drivers/net/dsa/ocelot/felix.c
> @@ -328,6 +328,9 @@ static int felix_parse_ports_node(struct felix *felix,
>  		u32 port;
>  		int err;
>  
> +		if (!of_device_is_available(child))
> +			continue;
> +

Hi Vladimir

for_each_available_child_of_node() is i think a better fix.

	   Andrew

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