linux-kernel - Re: [PATCH] net: phy: Add DP83825I to the DP83822 driver

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Date:   Tue, 19 Mar 2019 14:53:17 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Florian Fainelli <f.fainelli@...il.com>, <andrew@...n.ch>
CC:     <hkallweit1@...il.com>, <davem@...emloft.net>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: phy: Add DP83825I to the DP83822 driver

Florian

Thanks for the quick review

On 3/19/19 1:55 PM, Florian Fainelli wrote:
> On 3/19/19 11:32 AM, Dan Murphy wrote:
>> Add the DP83825I ethernet PHY to the DP83822 driver.
>> These devices share the same WoL register bits and addresses.
>>
>> The phy_driver init was made into a macro as there may be future
>> devices appended to this driver that will share the register space.
>>
>> http://www.ti.com/lit/gpn/dp83825i
>>
>> Signed-off-by: Dan Murphy <dmurphy@...com>
> 
> Looks good, just a few nitpits below:
> 
>> ---
>>  drivers/net/phy/dp83822.c | 36 ++++++++++++++++++++++--------------
>>  1 file changed, 22 insertions(+), 14 deletions(-)
>>
>> diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
>> index bbd8c22067f3..02dc05b86326 100644
>> --- a/drivers/net/phy/dp83822.c
>> +++ b/drivers/net/phy/dp83822.c
>> @@ -15,6 +15,8 @@
>>  #include <linux/netdevice.h>
>>  
>>  #define DP83822_PHY_ID	        0x2000a240
>> +#define DP83825I_PHY_ID		0x2000a150
>> +
>>  #define DP83822_DEVADDR		0x1f
>>  
>>  #define MII_DP83822_PHYSCR	0x11
>> @@ -304,26 +306,32 @@ static int dp83822_resume(struct phy_device *phydev)
>>  	return 0;
>>  }
>>  
>> +#define DP83822_PHY_DRIVER(_id, _name)				\
>> +	{							\
>> +		.phy_id		= _id,				\
> 
> I would put the _id argument between parenthesis to guarantee evaluation
> order in case you need to do smart things about the ID in the future.
> 
>> +		.phy_id_mask	= 0xfffffff0,			\
> 
> You can replace those two lines with PHY_ID_MATCH_MODEL()
> 

Ack to both above. I will replace this with the macro.  I assume I don't have to wrap
_id in additional parenthesis when using the macro.

>> +		.name		= _name,			\
> 
> Likewise
> 

Ack to adding parenthesis around the _name

>> +		.features	= PHY_BASIC_FEATURES,		\
>> +								\
> 
> Looks like you have an extra newline here.
> 

Ack

> With that fixed:
> 
> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
> 
>> +		.soft_reset	= dp83822_phy_reset,		\
>> +		.config_init	= dp83822_config_init,		\
>> +		.get_wol = dp83822_get_wol,			\
>> +		.set_wol = dp83822_set_wol,			\
>> +		.ack_interrupt = dp83822_ack_interrupt,		\
>> +		.config_intr = dp83822_config_intr,		\
>> +		.suspend = dp83822_suspend,			\
>> +		.resume = dp83822_resume,			\
>> +	}
>> +
>>  static struct phy_driver dp83822_driver[] = {
>> -	{
>> -		.phy_id = DP83822_PHY_ID,
>> -		.phy_id_mask = 0xfffffff0,
>> -		.name = "TI DP83822",
>> -		.features = PHY_BASIC_FEATURES,
>> -		.config_init = dp83822_config_init,
>> -		.soft_reset = dp83822_phy_reset,
>> -		.get_wol = dp83822_get_wol,
>> -		.set_wol = dp83822_set_wol,
>> -		.ack_interrupt = dp83822_ack_interrupt,
>> -		.config_intr = dp83822_config_intr,
>> -		.suspend = dp83822_suspend,
>> -		.resume = dp83822_resume,
>> -	 },
>> +	DP83822_PHY_DRIVER(DP83822_PHY_ID, "TI DP83822"),
>> +	DP83822_PHY_DRIVER(DP83825I_PHY_ID, "TI DP83825I"),
>>  };
>>  module_phy_driver(dp83822_driver);
>>  
>>  static struct mdio_device_id __maybe_unused dp83822_tbl[] = {
>>  	{ DP83822_PHY_ID, 0xfffffff0 },
>> +	{ DP83825I_PHY_ID, 0xfffffff0 },
>>  	{ },
>>  };
>>  MODULE_DEVICE_TABLE(mdio, dp83822_tbl);
>>
> 
> 


-- 
------------------
Dan Murphy