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Date:   Fri, 24 Apr 2020 15:52:54 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Florinel Iordache <florinel.iordache@nxp.com>
Cc:     davem@davemloft.net, netdev@vger.kernel.org, f.fainelli@gmail.com,
        hkallweit1@gmail.com, linux@armlinux.org.uk,
        devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
        robh+dt@kernel.org, mark.rutland@arm.com, kuba@kernel.org,
        corbet@lwn.net, shawnguo@kernel.org, leoyang.li@nxp.com,
        madalin.bucur@oss.nxp.com, ioana.ciornei@nxp.com,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2 6/9] net: phy: add backplane kr driver support
Message-ID: <20200424135254.GD1087366@lunn.ch>
References: <1587732391-3374-1-git-send-email-florinel.iordache@nxp.com>
 <1587732391-3374-7-git-send-email-florinel.iordache@nxp.com>
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> +/* Backplane mutex between all KR PHY threads */
> +static struct mutex backplane_lock;


> +/* Read AN Link Status */
> +static int is_an_link_up(struct phy_device *phydev)
> +{
> +	struct backplane_device *bpdev = phydev->priv;
> +	int ret, val = 0;
> +
> +	mutex_lock(&bpdev->bpphy_lock);

Last time i asked the question about how this mutex and the phy mutex
interact. I don't remember seeing an answer.

	  Andrew