1 files changed, 2 insertions, 0 deletions

diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 627883bc6d5f..bc6f96fcb529 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -609,6 +609,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
                         r4k_blast_scache();
                 else
                         blast_scache_range(addr, addr + size);
+                preempt_enable();
                 __sync();
                 return;
         }
@@ -650,6 +651,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
                          */
                         blast_inv_scache_range(addr, addr + size);
                 }
+                preempt_enable();
                 __sync();
                 return;
         }