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-rw-r--r--drivers/input/serio/i8042-x86ia64io.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 6168469ad1a6..81003c4739f4 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -7,6 +7,10 @@
7 * the Free Software Foundation. 7 * the Free Software Foundation.
8 */ 8 */
9 9
10#ifdef CONFIG_X86
11#include <asm/x86_init.h>
12#endif
13
10/* 14/*
11 * Names. 15 * Names.
12 */ 16 */
@@ -840,6 +844,12 @@ static int __init i8042_platform_init(void)
840{ 844{
841 int retval; 845 int retval;
842 846
847#ifdef CONFIG_X86
848 /* Just return if pre-detection shows no i8042 controller exist */
849 if (!x86_platform.i8042_detect())
850 return -ENODEV;
851#endif
852
843/* 853/*
844 * On ix86 platforms touching the i8042 data register region can do really 854 * On ix86 platforms touching the i8042 data register region can do really
845 * bad things. Because of this the region is always reserved on ix86 boxes. 855 * bad things. Because of this the region is always reserved on ix86 boxes.