1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 24f3a96aac35..f4ad6d2e26f3 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/fsmc.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/pinctrl/pinmux.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -95,6 +96,8 @@ static struct map_desc u300_io_desc[] __initdata = {
 void __init u300_map_io(void)
 {
         iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
+        /* We enable a real big DMA buffer if need be. */
+        init_consistent_dma_size(SZ_4M);
 }
 
 /*