netdev - Re: [PATCH net-next 02/10] r8169: use phy_resume/phy

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Message-ID: <20180702210646.GB12564@lunn.ch>
Date:   Mon, 2 Jul 2018 23:06:46 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 02/10] r8169: use phy_resume/phy_suspend

>  static void r8168_pll_power_down(struct rtl8169_private *tp)
>  {
>  	if (r8168_check_dash(tp))
> @@ -4510,7 +4469,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
>  	if (rtl_wol_pll_power_down(tp))
>  		return;
>  
> -	r8168_phy_power_down(tp);
> +	/* cover the case that PHY isn't connected */
> +	phy_suspend(mdiobus_get_phy(tp->mii_bus, 0));

This could do some more explanation. Why would it not be connected?

     Andrew