1 files changed, 10 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index d8f57824423f..54c836a98456 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -246,14 +246,22 @@ static int gpmc_cs_mem_enabled(int cs)
         return l & (1 << 6);
 }
 
-static void gpmc_cs_set_reserved(int cs, int reserved)
+int gpmc_cs_set_reserved(int cs, int reserved)
 {
+        if (cs > GPMC_CS_NUM)
+                return -ENODEV;
+
         gpmc_cs_map &= ~(1 << cs);
         gpmc_cs_map |= (reserved ? 1 : 0) << cs;
+
+        return 0;
 }
 
-static int gpmc_cs_reserved(int cs)
+int gpmc_cs_reserved(int cs)
 {
+        if (cs > GPMC_CS_NUM)
+                return -ENODEV;
+
         return gpmc_cs_map & (1 << cs);
 }