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-rw-r--r--arch/arm/mach-u300/core.c3
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);
}
/*