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authorJon Medhurst <tixy@yxit.co.uk>2011-08-04 15:41:42 +0100
committerJon Medhurst <tixy@yxit.co.uk>2011-08-22 12:00:11 +0000
commitd70a5969e9d52ef1c0e19a1b154785f8e1acba29 (patch)
tree9f388541062ce5d9f8fdebe048e8499981d622d6 /arch/arm/mach-u300
parentfd24f903182b3f2cda39d95574e45aa8983e5770 (diff)
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>
Diffstat (limited to 'arch/arm/mach-u300')
-rw-r--r--arch/arm/mach-u300/core.c3
-rw-r--r--arch/arm/mach-u300/include/mach/memory.h5
2 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 399c89f14df..376b6dfdfae 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 @@ 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);
}
/*
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
index 888e2e351ee..38741da0d26 100644
--- a/arch/arm/mach-u300/include/mach/memory.h
+++ b/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