From 2d5e975b2194eb1326ea0b90db1e21da7be17708 Mon Sep 17 00:00:00 2001
From: Jon Medhurst <tixy@yxit.co.uk>
Date: Thu, 4 Aug 2011 16:35:26 +0100
Subject: [PATCH] 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>
---
arch/arm/mach-bcmring/include/mach/memory.h | 5 -----
arch/arm/mach-bcmring/mm.c | 3 +++
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-bcmring/include/mach/memory.h b/arch/arm/mach-bcmring/include/mach/memory.h
index 15162e4c75f9..8848a5bb3445 100644
--- a/arch/arm/mach-bcmring/include/mach/memory.h
+++ b/arch/arm/mach-bcmring/include/mach/memory.h
@@ -25,9 +25,4 @@
#define PLAT_PHYS_OFFSET CFG_GLOBAL_RAM_BASE
-/*
- * Maximum DMA memory allowed is 14M
- */
-#define CONSISTENT_DMA_SIZE (SZ_16M - SZ_2M)
-
#endif
diff --git a/arch/arm/mach-bcmring/mm.c b/arch/arm/mach-bcmring/mm.c
index 0f1c37e4523a..8616876abb9f 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 @@ void __init bcmring_map_io(void)
{
iotable_init(bcmring_io_desc, ARRAY_SIZE(bcmring_io_desc));
+ /* Maximum DMA memory allowed is 14M */
+ init_consistent_dma_size(14 << 20);
}
--
2.20.1