sparc: Use 64BIT config entry

Use 64BIT config entry to distinguish between 32 and 64bit builds
instead of relying on the ARCH setting.  Using sparc64 as ARCH still
forces 64BIT on.

Inspired by the x86 and s390 configs.

[ Integrated CONFIG_64BIT help text suggestions from Sam -DaveM ]

Signed-off-by: Bastian Blank <waldi@debian.org>
Tested-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 002f7b4e6ba2546d7829554963b8751f87ff09d9..de58c02633b4d164ce65d08ed8f905eec88e0b5e 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -4,6 +4,17 @@
 
 mainmenu "Linux/SPARC Kernel Configuration"
 
+config 64BIT
+       bool "64-bit kernel" if ARCH = "sparc"
+       default ARCH = "sparc64"
+       help
+         SPARC is a family of RISC microprocessors designed and marketed by
+         Sun Microsystems, incorporated.  They are very widely found in Sun
+         workstations and clones.
+
+         Say yes to build a 64-bit kernel - formerly known as sparc64
+         Say no to build a 32-bit kernel - formerly known as sparc
+
 config SPARC
        bool
        default y
@@ -15,22 +26,11 @@ config SPARC
        select RTC_CLASS
        select RTC_DRV_M48T59
 
-# Identify this as a Sparc32 build
 config SPARC32
-       bool
-       default y if ARCH = "sparc"
-       help
-         SPARC is a family of RISC microprocessors designed and marketed by
-         Sun Microsystems, incorporated.  They are very widely found in Sun
-         workstations and clones. This port covers the original 32-bit SPARC;
-         it is old and stable and usually considered one of the "big three"
-         along with the Intel and Alpha ports.  The UltraLinux project
-         maintains both the SPARC32 and SPARC64 ports; its web page is
-         available at <http://www.ultralinux.org/>.
+       def_bool !64BIT
 
 config SPARC64
-       bool
-       default y if ARCH = "sparc64"
+       def_bool 64BIT
        select ARCH_SUPPORTS_MSI
        select HAVE_FUNCTION_TRACER
        select HAVE_KRETPROBES
@@ -53,9 +53,6 @@ config BITS
        default 32 if SPARC32
        default 64 if SPARC64
 
-config 64BIT
-       def_bool y if SPARC64
-
 config GENERIC_TIME
        bool
        default y if SPARC64