From: Simon Glass <sjg@chromium.org>
Date: Thu, 17 Feb 2011 16:13:57 +0000 (-0800)
Subject: ARM: tegra: Fix hang on reboot
X-Git-Tag: v2.6.39-rc1~474^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=375b19cd34ea9b1ab338deac20b4bd2c553bf57b;p=pandora-kernel.git

ARM: tegra: Fix hang on reboot

This seems to be a regression in 2.6.37.

We cannot use writel() here since the resulting wmb() calls l2x0_cache_sync()
which uses a spinlock and L1 cache may be off at this point.

http://lists.infradead.org/pipermail/linux-arm-kernel/2011-February/041909.html

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Colin Cross <ccross@android.com>
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