[PATCH] summmit: increase MAX_MP_BUSSES

From: James Cleverdon <jamesclv@us.ibm.com>

Bump up MAX_MP_BUSSES for summit/generic subarch to cope with big IBM x440
systems.

include/asm-i386/mach-generic/mach_mpspec.h

@@ -8,6 +8,8 @@
 
 #define MAX_IRQ_SOURCES 256
 
-#define MAX_MP_BUSSES 32
+/* Summit or generic (i.e. installer) kernels need lots of bus entries. */
+/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */
+#define MAX_MP_BUSSES 260
 
 #endif /* __ASM_MACH_MPSPEC_H */

include/asm-i386/mach-summit/mach_mpspec.h

@@ -8,6 +8,7 @@
 
 #define MAX_IRQ_SOURCES 256
 
-#define MAX_MP_BUSSES 32
+/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */
+#define MAX_MP_BUSSES 260
 
 #endif /* __ASM_MACH_MPSPEC_H */