2 files changed, 10 insertions, 1 deletions

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index aba53083297d..ac9da00e9f2c 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -346,6 +346,7 @@ extern void ioport_unmap(void __iomem *p);
 #define xlate_dev_kmem_ptr(p)   p
 #define xlate_dev_mem_ptr(p)    __va(p)
 
+#ifdef CONFIG_VIRT_TO_BUS
 #ifndef virt_to_bus
 static inline unsigned long virt_to_bus(volatile void *address)
 {
@@ -357,6 +358,7 @@ static inline void *bus_to_virt(unsigned long address)
         return (void *) address;
 }
 #endif
+#endif
 
 #ifndef memset_io
 #define memset_io(a, b, c)      memset(__io_virt(a), (b), (c))
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 257c55ec4f77..4077b5d9ff81 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -17,5 +17,12 @@
  * but it doesn't work on all toolchains, so we just do it by hand
  */
 #ifndef cond_syscall
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
+#ifdef CONFIG_SYMBOL_PREFIX
+#define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
+#else
+#define __SYMBOL_PREFIX
+#endif
+#define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
+                            ".set\t" __SYMBOL_PREFIX #x "," \
+                            __SYMBOL_PREFIX "sys_ni_syscall")
 #endif