From 795d5fd4b8b06944976c95e8592e17e2d415aa81 Mon Sep 17 00:00:00 2001
From: Dmitry Artamonow <mad_soft@inbox.ru>
Date: Tue, 6 Mar 2012 12:45:43 +0400
Subject: [PATCH] arm/tegra: add timeout to PCIe PLL lock detection loop

Tegra PCIe driver waits for PLL to lock using busy loop.
If PLL fails to lock for some reason, this leads to silent lockup
while booting (as PCIe code is not modular).

Fix by adding timeout, so if PLL doesn't lock in a couple
of seconds, just PCIe driver fails and machine continues to boot.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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