[MIPS] Handle IDE PIO cache aliases on SMP.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 9dd1352d5748..bb041a22f20a 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -260,6 +260,10 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma, unsigned long page,
 {
 }
 
+static void local_r3k_flush_data_cache_page(unsigned long addr)
+{
+}
+
 static void r3k_flush_data_cache_page(unsigned long addr)
 {
 }
@@ -335,6 +339,7 @@ void __init r3k_cache_init(void)
         flush_icache_range = r3k_flush_icache_range;
 
         flush_cache_sigtramp = r3k_flush_cache_sigtramp;
+        local_flush_data_cache_page = local_r3k_flush_data_cache_page;
         flush_data_cache_page = r3k_flush_data_cache_page;
 
         _dma_cache_wback_inv = r3k_dma_cache_wback_inv;