[PATCH tip/efi-kexec] x86: ksysfs.c build fix

From: Dave Young
Date: Thu Jan 02 2014 - 22:55:50 EST

kbuild test robot report below error for randconfig:

arch/x86/kernel/ksysfs.c: In function 'get_setup_data_paddr':
>> arch/x86/kernel/ksysfs.c:81:3: error: implicit declaration of function 'ioremap_cache' [-Werror=implicit-function-declaration]
data = ioremap_cache(pa_data, sizeof(*data));
>> arch/x86/kernel/ksysfs.c:86:3: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
Fix it by including <asm/io.h> in ksysfs.c

Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
arch/x86/kernel/ksysfs.c | 1 +
1 file changed, 1 insertion(+)

Index: linux/arch/x86/kernel/ksysfs.c
--- linux.orig/arch/x86/kernel/ksysfs.c
+++ linux/arch/x86/kernel/ksysfs.c
@@ -16,6 +16,7 @@
#include <linux/stat.h>
#include <linux/slab.h>
#include <linux/mm.h>
+#include <asm/io.h>

#include <asm/setup.h>

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