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

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Date:   Tue, 19 Mar 2019 11:55:12 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Dan Murphy <dmurphy@...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

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()

> +		.name		= _name,			\

Likewise

> +		.features	= PHY_BASIC_FEATURES,		\
> +								\

Looks like you have an extra newline here.

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);
> 


-- 
Florian