tree 002b17dc5fe22c4c437f4f79ac8657c343587243
parent 67990472c77b06cc591dd59923542f64da91453d
author Shengzhou Liu <Shengzhou.Liu@freescale.com> 1345630620 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1346889128 -0700

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>