[MIPS] IP27: Cleanup N/M mode configuration.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig
index 4b7c3c6..f14ef38 100644 (file)
--- a/arch/mips/sgi-ip27/Kconfig
+++ b/arch/mips/sgi-ip27/Kconfig
@@ -4,14 +4,29 @@
 #        This options adds support for userspace processes upto 16TB size.
 #        Normally the limit is just .5TB.
 
+choice
+       prompt "Node addressing mode"
+       depends on SGI_IP27
+       default SGI_SN_M_MODE
+
+config SGI_SN_M_MODE
+       bool "IP27 M-Mode"
+       help
+         The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
+         in either N-Modes which allows for more nodes or M-Mode which allows
+         for more memory.  Your hardware is almost certainly running in
+         M-Mode, so choose M-mode here.
+
 config SGI_SN_N_MODE
        bool "IP27 N-Mode"
-       depends on SGI_IP27
+       depends on EXPERIMENTAL
        help
-         The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
-         configured in either N-Modes which allows for more nodes or M-Mode
-         which allows for more memory.  Your system is most probably
-         running in M-Mode, so you should say N here.
+         The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
+         in either N-Modes which allows for more nodes or M-Mode which allows
+         for more memory.  Your hardware is almost certainly running in
+         M-Mode, so choose M-mode here.
+
+endchoice
 
 config MAPPED_KERNEL
        bool "Mapped kernel support"

diff --git a/include/asm-mips/sn/sn0/arch.h b/include/asm-mips/sn/sn0/arch.h
index 0ecbaa0..f7c43fa 100644 (file)
--- a/include/asm-mips/sn/sn0/arch.h
+++ b/include/asm-mips/sn/sn0/arch.h
@@ -59,9 +59,9 @@
  */
 #ifdef CONFIG_SGI_SN_N_MODE
 #define MAX_MEM_SLOTS   16                      /* max slots per node */
-#else /* !CONFIG_SGI_SN_N_MODE, assume M_MODE */
+#else /* !CONFIG_SGI_SN_N_MODE, assume CONFIG_SGI_SN_M_MODE */
 #define MAX_MEM_SLOTS   32                      /* max slots per node */
-#endif /* defined(N_MODE) */
+#endif /* CONFIG_SGI_SN_M_MODE */
 
 #define SLOT_SHIFT             (27)
 #define SLOT_MIN_MEM_SIZE      (32*1024*1024)