netdev - Re: [RFC PATCH net-next 02/22] net: dsa: mt7530: use p5_interface_select as data type for p5_intf

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Date:   Fri, 21 Apr 2023 21:27:43 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Daniel Golle <daniel@...rotopia.org>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...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>,
        erkin.bozoglu@...ont.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [RFC PATCH net-next 02/22] net: dsa: mt7530: use
 p5_interface_select as data type for p5_intf_sel

On 21.04.2023 19:23, Daniel Golle wrote:
> On Fri, Apr 21, 2023 at 05:36:28PM +0300, arinc9.unal@...il.com wrote:
>> From: Arınç ÜNAL <arinc.unal@...nc9.com>
>>
>> Use the p5_interface_select enumeration as the data type for the
>> p5_intf_sel field. This ensures p5_intf_sel can only take the values
>> defined in the p5_interface_select enumeration.
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
>> ---
>>   drivers/net/dsa/mt7530.h | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
>> index 845f5dd16d83..703f8a528317 100644
>> --- a/drivers/net/dsa/mt7530.h
>> +++ b/drivers/net/dsa/mt7530.h
>> @@ -674,13 +674,13 @@ struct mt7530_port {
>>   };
>>   
>>   /* Port 5 interface select definitions */
>> -enum p5_interface_select {
>> -	P5_DISABLED = 0,
>> +typedef enum {
> 
> We usually avoid adding typedef in kernel code. If the purpose is
> just to be more verbose in the struct definition, you can as well
> also just use 'enum p5_interface_select as type in the struct.
> 
>> +	P5_DISABLED,
>>   	P5_INTF_SEL_PHY_P0,
>>   	P5_INTF_SEL_PHY_P4,
>>   	P5_INTF_SEL_GMAC5,
>>   	P5_INTF_SEL_GMAC5_SGMII,
>> -};
>> +} p5_interface_select;
>>   
>>   struct mt7530_priv;
>>   
>> @@ -768,7 +768,7 @@ struct mt7530_priv {
>>   	bool			mcm;
>>   	phy_interface_t		p6_interface;
>>   	phy_interface_t		p5_interface;
>> -	unsigned int		p5_intf_sel;
>> +	p5_interface_select	p5_intf_sel;
> 
> enum p5_interface_select	p5_intf_sel;

Will do, thanks.

Arınç