From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 09:27:33 +0000 (+0900)
Subject: sh: Fixes some write posting issues in the interrupt handling for SH
X-Git-Tag: v2.6.32-rc1~640^2~35^2~14^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6000fc4d6f3e55ad52cce8d76317187fe01af2aa;p=pandora-kernel.git

sh: Fixes some write posting issues in the interrupt handling for SH

It is possible for the CPU to re-enable it's interrupt block bit
before the write to the interrupt controller has actually masked out
the external interupt at the controller. We get around this by
reading back from the interrupt controller which will ensure the
write has happened.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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