[ARM] 3806/2: S3C2412: Fix GPIO VA when only S3C2412 selected

The s3c24xx_va_gpio2 variable is only used
when the S3C2412 and another cpu-type is
being used in the kernel. This patch ensures
it is not set when it is not being used.

Fixes bug report by Thomas Gleixner.

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

1 files changed, 8 insertions, 1 deletions

diff --git a/arch/arm/mach-s3c2410/s3c2412.c b/arch/arm/mach-s3c2410/s3c2412.c
index 2d163f7600be..a5ec56efd5c5 100644
--- a/arch/arm/mach-s3c2410/s3c2412.c
+++ b/arch/arm/mach-s3c2410/s3c2412.c
@@ -56,6 +56,13 @@
 
 #ifndef CONFIG_CPU_S3C2412_ONLY
 void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
+
+static inline void s3c2412_init_gpio2(void)
+{
+        s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10;
+}
+#else
+#define s3c2412_init_gpio2() do { } while(0)
 #endif
 
 /* Initial IO mappings */
@@ -110,7 +117,7 @@ void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size)
 {
         /* move base of IO */
 
-        s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10;
+        s3c2412_init_gpio2();
 
         /* set our idle function */