netdev - Re: [PATCH v2 net-next] net: dsa: mv88e6xxx: Add .port_set_rgmii

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Message-ID: <Y1v8CdFhpNSG8sHZ@lunn.ch>
Date:   Fri, 28 Oct 2022 17:58:01 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Fabio Estevam <festevam@...il.com>
Cc:     kuba@...nel.org, davem@...emloft.net, olteanv@...il.com,
        netdev@...r.kernel.org,
        Steffen Bätz <steffen@...osonix.de>,
        Fabio Estevam <festevam@...x.de>
Subject: Re: [PATCH v2 net-next] net: dsa: mv88e6xxx: Add
 .port_set_rgmii_delay to 88E6320

On Fri, Oct 28, 2022 at 10:51:48AM -0300, Fabio Estevam wrote:
> From: Steffen Bätz <steffen@...osonix.de>
> 
> Currently, the port_set_rgmii_delay hook is missing for the 88E6320
> family, which causes failure to retrieve an IP address via DHCP.
> 
> Add mv88e6320_port_set_rgmii_delay() that allows applying the RGMII
> delay for ports 2, 5 and 6, which are the ports only that can be used
> in RGMII mode.
> 
> Tested on a i.MX8MN board connected to an 88E6320 switch.
> 
> This change also applies safely to the 88E6321 variant.

> @@ -5029,6 +5029,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
>  	.phy_write = mv88e6xxx_g2_smi_phy_write,
>  	.port_set_link = mv88e6xxx_port_set_link,
>  	.port_sync_link = mv88e6xxx_port_sync_link,
> +	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
>  	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
>  	.port_tag_remap = mv88e6095_port_tag_remap,
>  	.port_set_frame_mode = mv88e6351_port_set_frame_mode,

You say it is safe, but then don't actually add it to mv88e6321_ops ?

    Andrew