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Date:   Fri, 15 Feb 2019 17:23:44 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Michal Simek <michal.simek@...inx.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH] net: phy: xgmiitorgmii: Support generic PHY status read

On Fri, Feb 15, 2019 at 05:17:08PM +0100, Paul Kocialkowski wrote:
> Some PHY drivers like the generic one do not provide a read_status
> callback on their own but rely on genphy_read_status being called
> directly.
> 
> With the current code, this results in a NULL function pointer call.
> Call genphy_read_status instead when there is no specific callback.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> ---
>  drivers/net/phy/xilinx_gmii2rgmii.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
> index 74a8782313cf..bd6084e315de 100644
> --- a/drivers/net/phy/xilinx_gmii2rgmii.c
> +++ b/drivers/net/phy/xilinx_gmii2rgmii.c
> @@ -44,7 +44,10 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev)
>  	u16 val = 0;
>  	int err;
>  
> -	err = priv->phy_drv->read_status(phydev);

Hi Paul

How about using phy_read_status()?

	Andrew

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