[POWERPC] Fix cputable.h for combined build

Remove CPU_FTR_16M_PAGE from the cupfeatures mask at runtime on iSeries.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/mm/hash_utils_64.c

@@ -277,7 +277,7 @@ static void __init htab_init_page_sizes(void)
 	 * Not in the device-tree, let's fallback on known size
 	 * list for 16M capable GP & GR
 	 */
-	if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries))
+	if (cpu_has_feature(CPU_FTR_16M_PAGE))
 		memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
 		       sizeof(mmu_psize_defaults_gp));
  found:

arch/powerpc/platforms/iseries/setup.c

@@ -643,6 +643,8 @@ static int __init iseries_probe(void)
 		return 0;
 
 	hpte_init_iSeries();
+	/* iSeries does not support 16M pages */
+	cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE;
 
 	return 1;
 }

include/asm-powerpc/cputable.h

@@ -155,16 +155,9 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
 
 #ifndef __ASSEMBLY__
 
-#define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
-					CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
-					CPU_FTR_NODSISRALIGN)
-
-/* iSeries doesn't support large pages */
-#ifdef CONFIG_PPC_ISERIES
-#define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE)
-#else
-#define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
-#endif /* CONFIG_PPC_ISERIES */
+#define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_SLB | \
+				 CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
+				 CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE)
 
 /* We only set the altivec features if the kernel was compiled with altivec
  * support