[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>

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 1915661..c0d2a69 100644 (file)
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/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:

diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 1796644..bdf2afb 100644 (file)
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/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;
 }

diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 354f66d..6fe5c9d 100644 (file)
--- a/include/asm-powerpc/cputable.h
+++ b/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