Subject: Re: [PATCH net-next v2 6/9] net: phy: add backplane kr driver support

From: Andrew Lunn <[email-masked]>
Date: Fri, 24 Apr 2020 15:52:54 +0200

> +/* 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