sh: Don't set reserved _PAGE_WT bit on SH-3.

Only SH-4 needs to set _PAGE_WT when using write-through caching,
don't attempt to set it on SH-3 where it ends up being a reserved
bit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/mm/tlb-flush.c b/arch/sh/mm/tlb-flush.c
index 9347534aa894..ef3e4d477864 100644
--- a/arch/sh/mm/tlb-flush.c
+++ b/arch/sh/mm/tlb-flush.c
@@ -175,7 +175,7 @@ void update_mmu_cache(struct vm_area_struct *vma,
 
         /* Set PTEL register */
         pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
-#ifdef CONFIG_SH_WRITETHROUGH
+#if defined(CONFIG_SH_WRITETHROUGH) && defined(CONFIG_CPU_SH4)
         pteval |= _PAGE_WT;
 #endif
         /* conveniently, we want all the software flags to be 0 anyway */