ARM: mach-u300: Setup consistent dma size at boot time
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 399c89f..376b6df 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -25,6 +25,7 @@
#include <linux/err.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/fsmc.h>
+#include <linux/dma-mapping.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -92,6 +93,8 @@
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);
}
/*