Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 4 Oct 2018 17:22:37 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Quentin Schulz <quentin.schulz@bootlin.com>
Cc:     davem@davemloft.net, f.fainelli@gmail.com,
        allan.nielsen@microchip.com, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, thomas.petazzoni@bootlin.com,
        alexandre.belloni@bootlin.com,
        Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Subject: Re: [PATCH net-next v2 2/6] net: phy: mscc: add ethtool statistics
 counters
Message-ID: <20181004152237.GF4730@lunn.ch>
References: <20181004124728.9821-1-quentin.schulz@bootlin.com>
 <20181004124728.9821-3-quentin.schulz@bootlin.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20181004124728.9821-3-quentin.schulz@bootlin.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Oct 04, 2018 at 02:47:24PM +0200, Quentin Schulz wrote:

Hi Quentin

> +static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
> +{
> +	struct vsc8531_private *priv = phydev->priv;
> +	int val, oldpage;
> +	u64 ret;
> +
> +	oldpage = phy_select_page(phydev, priv->hw_stats[i].page);
> +
> +	val = __phy_read(phydev, priv->hw_stats[i].reg);
> +	if (val < 0) {
> +		ret = U64_MAX;
> +		goto out;
> +	}

phy_read_paged() should work here as well.

> +
> +	val = val & priv->hw_stats[i].mask;
> +	priv->stats[i] += val;
> +	ret = priv->stats[i];

Otherwise this looks good.

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

    Andrew