From 4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0 Mon Sep 17 00:00:00 2001
From: Michel Stam <m.stam@fugro.nl>
Date: Mon, 7 Apr 2014 12:01:20 +0200
Subject: common: Allow for I/O mapped I/O

Rework the current framework so that I/O mapped I/O resources are
also possible.

Signed-off-by: Michel Stam <michel@reverze.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/x86/include/asm/io.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/x86')

diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 9cb78e41ec..f020510569 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -12,6 +12,8 @@
 
 #include <asm/byteorder.h>
 
+#define	IO_SPACE_LIMIT	0xffff
+
 static inline void outb(unsigned char value, int port)
 {
 	asm volatile("outb %b0, %w1" : : "a"(value), "Nd"(port));
-- 
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