From: Florian Fainelli <f.fainelli@gmail.com>
Date: Thu, 26 Jun 2014 17:26:20 +0000 (-0700)
Subject: net: bcmgenet: disable clock before register_netdev
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~289^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f50ce96b7c0488cffe64255694a2451b4347d09;p=pandora-kernel.git

net: bcmgenet: disable clock before register_netdev

As soon as register_netdev() is called, the network device notifiers are
running which means that other parts of the kernel, or user-space
programs can call the network device ndo_open() callback and use the
interface.

Disable the Ethernet device clock before we register the network device
such that we do not create the following situation:

CPU0				CPU1
register_netdev()
				bcmgenet_open()
				clk_prepare_enable()
clk_disable_unprepare()

and leave the hardware block gated off, while we think it should be
gated on.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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