From: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Date: Wed, 22 Aug 2012 10:17:00 +0000 (+0800)
Subject: powerpc/usb: fix bug of CPU hang when missing USB PHY clock
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~73^2~166
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3735ba8db8e6ea22ad3ff524328926d8d780a884;p=pandora-kernel.git

powerpc/usb: fix bug of CPU hang when missing USB PHY clock

when missing USB PHY clock, kernel booting up will hang during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hanging in this case.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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