linux-kernel - Re: [PATCH net-next 2/3] net: phy: broadcom: Have bcm54xx_adjust

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Date:   Sat, 15 Feb 2020 17:08:08 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 2/3] net: phy: broadcom: Have
 bcm54xx_adjust_rxrefclk() check for flags

On Fri, Feb 14, 2020 at 03:38:52PM -0800, Florian Fainelli wrote:
> bcm54xx_adjust_rxrefclk() already checks for the flags and will
> correctly reacting to the 3 different flags it check, allow it to be
> unconditionally called.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/net/phy/broadcom.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
> index 4ad2128cc454..b4eae84a9195 100644
> --- a/drivers/net/phy/broadcom.c
> +++ b/drivers/net/phy/broadcom.c
> @@ -273,10 +273,7 @@ static int bcm54xx_config_init(struct phy_device *phydev)
>  	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
>  		bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
>  
> -	if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
> -	    (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
> -	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
> -		bcm54xx_adjust_rxrefclk(phydev);
> +	bcm54xx_adjust_rxrefclk(phydev);

Hi Florian

PHY_BRCM_RX_REFCLK_UNUSED is not unconditionally checked in
bcm54xx_adjust_rxrefclk(), where as here it is. I assume this is O.K?
The same is tree for PHY_BRCM_AUTO_PWRDWN_ENABLE.  Maybe worth a
comment in the commit message if you need to respin.

      Andrew