[POWERPC] Remove CPU_FTR_NEED_COHERENT for 7448.

Remove CPU_FTR_NEED_COHERENT for MPC7448 (and single-core MPC86xx).
This prevents needlessly setting M=1 when not SMP.

Signed-off-by: James.Yang <James.Yang@freescale.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

2 files changed, 7 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 9cb24d20f0f9..6ef87fb90b8e 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -836,7 +836,7 @@ static struct cpu_spec cpu_specs[] = {
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x80040000,
                 .cpu_name               = "7448",
-                .cpu_features           = CPU_FTRS_7447A,
+                .cpu_features           = CPU_FTRS_7448,
                 .cpu_user_features      = COMMON_USER |
                         PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
                 .icache_bsize           = 32,
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 434524931ef3..82d595a52109 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -302,6 +302,12 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
+#define CPU_FTRS_7448   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_PPC_LE)
 #define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
 #define CPU_FTRS_G2_LE  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \