netdev - Re: [PATCH] net: phy: at803x: Use helpers to access MMD PHY registers

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Message-ID: <20190125150013.GG12962@lunn.ch>
Date:   Fri, 25 Jan 2019 16:00:13 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Carlo Caione <ccaione@...libre.com>
Cc:     f.fainelli@...il.com, hkallweit1@...il.com, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: at803x: Use helpers to access MMD PHY registers

On Fri, Jan 25, 2019 at 12:35:10PM +0000, Carlo Caione wrote:
> Libphy provides a standard set of helpers to access the MMD PHY
> registers. Use those instead of relying on custom driver-specific
> functions.

Hi Carlo

Maybe deja vu, but i thought a similar patch went by recently?

Anyway,

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew

> 
> Signed-off-by: Carlo Caione <ccaione@...libre.com>
> ---
>  drivers/net/phy/at803x.c | 16 +++-------------
>  1 file changed, 3 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
> index f9432d053a22..23ba76f8d950 100644
> --- a/drivers/net/phy/at803x.c
> +++ b/drivers/net/phy/at803x.c
> @@ -39,9 +39,6 @@
>  #define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
>  #define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
>  #define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
> -#define AT803X_MMD_ACCESS_CONTROL		0x0D
> -#define AT803X_MMD_ACCESS_CONTROL_DATA		0x0E
> -#define AT803X_FUNC_DATA			0x4003
>  #define AT803X_REG_CHIP_CONFIG			0x1f
>  #define AT803X_BT_BX_REG_SEL			0x8000
>  
> @@ -168,16 +165,9 @@ static int at803x_set_wol(struct phy_device *phydev,
>  		if (!is_valid_ether_addr(mac))
>  			return -EINVAL;
>  
> -		for (i = 0; i < 3; i++) {
> -			phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
> -				  AT803X_DEVICE_ADDR);
> -			phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
> -				  offsets[i]);
> -			phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
> -				  AT803X_FUNC_DATA);
> -			phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
> -				  mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
> -		}
> +		for (i = 0; i < 3; i++)
> +			phy_write_mmd(phydev, AT803X_DEVICE_ADDR, offsets[i],
> +				      mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
>  
>  		value = phy_read(phydev, AT803X_INTR_ENABLE);
>  		value |= AT803X_INTR_ENABLE_WOL;
> -- 
> 2.19.1
>