powerpc: Free up some CPU feature bits by moving out MMU-related features

Some of the 64bit PPC CPU features are MMU-related, so this patch moves
them to MMU_FTR_ bits.  All cpu_has_feature()-style tests are moved to
mmu_has_feature(), and seven feature bits are freed as a result.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

3 files changed, 5 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 32a56c6dfa72..a67984c04954 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -31,6 +31,7 @@
 #include <asm/thread_info.h>
 #include <asm/ptrace.h>
 #include <asm/cputable.h>
+#include <asm/mmu.h>
 
 #include "exception.h"
 
@@ -157,7 +158,7 @@ BEGIN_FTR_SECTION
 FTR_SECTION_ELSE
         EXCEPTION_PROLOG_1(PACA_EXGEN)
         EXCEPTION_PROLOG_ISERIES_1
-ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB)
+ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_SLB)
         b       data_access_common
 
 .do_stab_bolted_iSeries:
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 2946ae10fbfd..81cb8d2c4132 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -249,7 +249,7 @@ static unsigned long iSeries_process_mainstore_vpd(struct MemoryBlock *mb_array,
         unsigned long i;
         unsigned long mem_blocks = 0;
 
-        if (cpu_has_feature(CPU_FTR_SLB))
+        if (mmu_has_feature(MMU_FTR_SLB))
                 mem_blocks = iSeries_process_Regatta_mainstore_vpd(mb_array,
                                 max_entries);
         else
@@ -634,7 +634,7 @@ static int __init iseries_probe(void)
 
         hpte_init_iSeries();
         /* iSeries does not support 16M pages */
-        cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE;
+        cur_cpu_spec->mmu_features &= ~MMU_FTR_16M_PAGE;
 
         return 1;
 }
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ca5d5898d320..6f0ed3aac77f 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -573,7 +573,7 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
         unsigned long i, pix, rc;
         unsigned long flags = 0;
         struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
-        int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE);
+        int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
         unsigned long param[9];
         unsigned long va;
         unsigned long hash, index, shift, hidx, slot;