From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related
 ioctls
Date: Mon, 3 Dec 2018 20:01:22 +0100
Message-ID: <20181203190122.GQ25748@lunn.ch>
References: <20181203163227.5107-1-stephend@silicom-usa.com>
 <20181203185454.6357-1-stephend@silicom-usa.com>
 <20181203185454.6357-3-stephend@silicom-usa.com>
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Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
        "David S. Miller" <davem@davemloft.net>,
        "intel-wired-lan@lists.osuosl.org" <intel-wired-lan@lists.osuosl.org>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        Florian Fainelli <f.fainelli@gmail.com>
To: Steve Douthit <stephend@silicom-usa.com>
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On Mon, Dec 03, 2018 at 06:55:26PM +0000, Steve Douthit wrote:
> Use the mii_bus callbacks to address the entire clause 22/45 address
> space.  Enables userspace to poke switch registers instead of a single
> PHY address.
> 
> The ixgbe firmware may be polling PHYs in a way that is not protected by
> the mii_bus lock.  This isn't new behavior, but as Andrew Lunn pointed
> out there are more addresses available for conflicts.
> 
> Signed-off-by: Stephen Douthit <stephend@silicom-usa.com>

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

    Andrew