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

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Date: Thu, 25 May 2023 09:49:58 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: Vladimir Oltean <olteanv@...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>,
 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 24.05.2023 20:51, Vladimir Oltean wrote:
> 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?

I intend priv->p5_configured and priv->p6_configured to be only used for 
MT7531 as I have stated on the mt7530_priv description.

Arınç