From: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Date: Thu, 2 Feb 2012 03:23:14 +0000 (+0800)
Subject: powerpc/usb: fix issue of CPU halt when missing USB PHY clock
X-Git-Tag: v3.3-rc4~43^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=529febeee680dc22416fca033151a5e8bc620447;p=pandora-kernel.git

powerpc/usb: fix issue of CPU halt when missing USB PHY clock

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