linux-kernel - [PATCH 0/3] net: fec: Reset ethernet PHY whenever the enet

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Message-Id: <1448883168-30742-1-git-send-email-LW@KARO-electronics.de>
Date:	Mon, 30 Nov 2015 12:32:45 +0100
From:	Lothar Waßmann <LW@...O-electronics.de>
To:	Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Greg Ungerer <gerg@...inux.org>,
	Kevin Hao <haokexin@...il.com>,
	Lothar Waßmann <LW@...O-electronics.de>,
	Lucas Stach <l.stach@...gutronix.de>,
	Nimrod Andy <B38611@...escale.com>,
	Philippe Reynes <tremyfr@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Stefan Agner <stefan@...er.ch>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: [PATCH 0/3] net: fec: Reset ethernet PHY whenever the enet_out clock

This patchset fixes a regression introduced by
commit 8fff755e9f8d ("net: fec: Ensure clocks are enabled while using mdio bus")
for ethernet PHYs that are using ENET_OUT as reference clock (on i.MX6
or i.MX28)

The first patch is a cleanup patch that removes redundant NULL checks.
The second patch converts the driver to use the 'gpiod' framework.
The third patch makes sure, fec_reset_phy() is called whenever the
    enet_out clock has been (re-)enabled to get the PHY into a
    consistent state.

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