linux-kernel - Re: [PATCH 02/18] net: dsa: mv88e6xxx: Provide function for common port initialization

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Date:	Sat, 21 Mar 2015 15:41:02 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	netdev@...r.kernel.org
CC:	"David S. Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/18] net: dsa: mv88e6xxx: Provide function for common
 port initialization

On 03/21/2015 08:46 AM, Guenter Roeck wrote:
> Provide mv88e6xxx_setup_port_common() for common port initialization.
> Currently only write Port 1 Control and VLAN configuration since
> this will be needed for hardware bridging. More can be added later
> if desired/needed.
>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>   drivers/net/dsa/mv88e6xxx.c | 39 +++++++++++++++++++++++++++++++++++++++
>   drivers/net/dsa/mv88e6xxx.h |  1 +
>   2 files changed, 40 insertions(+)
>
> diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
> index 6496beb..3c2cb45 100644
> --- a/drivers/net/dsa/mv88e6xxx.c
> +++ b/drivers/net/dsa/mv88e6xxx.c
> @@ -700,6 +700,45 @@ int mv88e6xxx_set_eee(struct dsa_switch *ds, int port,
>   	return 0;
>   }
>
> +int mv88e6xxx_setup_port_common(struct dsa_switch *ds, int port)
> +{
> +	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
> +	int reg;
> +
> +	mutex_lock(&ps->smi_mutex);
> +
> +	/* Port Control 1: disable trunking.  Also, if this is the
> +	 * CPU port, enable learn messages to be sent to this port.
> +	 */
> +	ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), 0x05,
> +				   dsa_is_cpu_port(ds, port) ? 0x8000 : 0x0000);

This fails to compile. It is fixed in a later commit which is why I didn't see it.
Too much reordering, I guess. Sorry for that.

Just a heads up; I'll wait for comments before resubmitting.

Guenter

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