[MIPS] Handle IDE PIO cache aliases on SMP.

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

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index fe232e3988e3..5dfc9b1901f6 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -216,6 +216,11 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page
                 tx39_blast_icache_page_indexed(page);
 }
 
+static void local_tx39_flush_data_cache_page(void * addr)
+{
+        tx39_blast_dcache_page(addr);
+}
+
 static void tx39_flush_data_cache_page(unsigned long addr)
 {
         tx39_blast_dcache_page(addr);
@@ -381,6 +386,7 @@ void __init tx39_cache_init(void)
                 flush_icache_range      = (void *) tx39h_flush_icache_all;
 
                 flush_cache_sigtramp    = (void *) tx39h_flush_icache_all;
+                local_flush_data_cache_page     = (void *) tx39h_flush_icache_all;
                 flush_data_cache_page   = (void *) tx39h_flush_icache_all;
 
                 _dma_cache_wback_inv    = tx39h_dma_cache_wback_inv;
@@ -406,6 +412,7 @@ void __init tx39_cache_init(void)
                 flush_icache_range = tx39_flush_icache_range;
 
                 flush_cache_sigtramp = tx39_flush_cache_sigtramp;
+                local_flush_data_cache_page = local_tx39_flush_data_cache_page;
                 flush_data_cache_page = tx39_flush_data_cache_page;
 
                 _dma_cache_wback_inv = tx39_dma_cache_wback_inv;