From 04e1c83806e30ae339fc45def595960c7fef1697 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 6 Jul 2011 12:49:59 +0100
Subject: [PATCH] ARM: io: add a default IO_SPACE_LIMIT definition

Add a default IO_SPACE_LIMIT definition.  Explain the chosen value and
suggest why platforms would want to make it larger.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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