sparc: introduce CONFIG_BITS

CONFIG_BITS is set to 32 for sparc32
and 64 for sparc64.

This allow us to use this symbol in for example header files
to ease unification of sparc32 and sparc64.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 1 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c8c7738f2a32..cd8c585a6b02 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -46,7 +46,11 @@ config ARCH_DEFCONFIG
         default "arch/sparc/configs/sparc32_defconfig" if SPARC32
         default "arch/sparc/configs/sparc64_defconfig" if SPARC64
 
-
+# CONFIG_BITS can be used at source level to get 32/64 bits
+config BITS
+        int
+        default 32 if SPARC32
+        default 64 if SPARC64
 
 config 64BIT
         def_bool y if SPARC64