linux-kernel - Re: [PATCH net-next 08/30] net: dsa: mt7530: change p{5,6}_interface to p{5,6}

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Message-ID: <20230524175107.hwzygo7p4l4rvawj@skbuf>
Date:   Wed, 24 May 2023 20:51:07 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     arinc9.unal@...il.com
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Russell King <linux@...linux.org.uk>,
        Arınç ÜNAL <arinc.unal@...nc9.com>,
        Richard van Schagen <richard@...terhints.com>,
        Richard van Schagen <vschagen@...com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        erkin.bozoglu@...ont.com, mithat.guner@...ont.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next 08/30] net: dsa: mt7530: change p{5,6}_interface
 to p{5,6}_configured

On Mon, May 22, 2023 at 03:15:10PM +0300, arinc9.unal@...il.com wrote:
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index 710c6622d648..d837aa20968c 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -2728,25 +2722,20 @@ mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
>  			goto unsupported;
>  		break;
>  	case 5: /* Port 5, can be used as a CPU port. */
> -		if (priv->p5_interface == state->interface)
> +		if (priv->p5_configured)
>  			break;
>  
>  		if (mt753x_mac_config(ds, port, mode, state) < 0)
>  			goto unsupported;
> -
> -		if (priv->p5_intf_sel != P5_DISABLED)
> -			priv->p5_interface = state->interface;

If you don't replace this bit with anything, who will set priv->p5_configured
for mt7530?

>  		break;
>  	case 6: /* Port 6, can be used as a CPU port. */
> -		if (priv->p6_interface == state->interface)
> +		if (priv->p6_configured)
>  			break;
>  
>  		mt753x_pad_setup(ds, state);
>  
>  		if (mt753x_mac_config(ds, port, mode, state) < 0)
>  			goto unsupported;
> -
> -		priv->p6_interface = state->interface;

Similar question for port 6.