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>

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c8c7738f2a328f694e5d254b7b68eaa2d96f423a..cd8c585a6b02a96f923b62ecc206e3dd178ae31e 100644 (file)
--- 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