ARM: mach-bcmring: Setup consistent dma size at boot time
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
CC: Jiandong Zheng <jdzheng@broadcom.com>
CC: Scott Branden <sbranden@broadcom.com>
diff --git a/arch/arm/mach-bcmring/mm.c b/arch/arm/mach-bcmring/mm.c
index 0f1c37e..8616876 100644
--- a/arch/arm/mach-bcmring/mm.c
+++ b/arch/arm/mach-bcmring/mm.c
@@ -13,6 +13,7 @@
*****************************************************************************/
#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
@@ -53,4 +54,6 @@
{
iotable_init(bcmring_io_desc, ARRAY_SIZE(bcmring_io_desc));
+ /* Maximum DMA memory allowed is 14M */
+ init_consistent_dma_size(14 << 20);
}