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>

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 @@ 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);
 }
 
 /*

arch/arm/mach-u300/include/mach/memory.h

@@ -34,9 +34,4 @@
 	    (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
 #endif
 
-/*
- * We enable a real big DMA buffer if need be.
- */
-#define CONSISTENT_DMA_SIZE SZ_4M
-
 #endif