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Subject[PATCH 8/8] ARM: S5PV210: example of CMA private area for FIMC device on Goni board
This patch is an example how device private CMA area can be activated.
It creates one CMA region and assigns it to the first s5p-fimc device on
Samsung Goni S5PC110 board.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
arch/arm/mach-s5pv210/mach-goni.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 14578f5..f766c45 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -26,6 +26,7 @@
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
+#include <linux/dma-contiguous.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -857,6 +858,9 @@ static void __init goni_map_io(void)
static void __init goni_reserve(void)
{
s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
+
+ /* Create private 16MiB contiguous memory area for s5p-fimc.0 device */
+ dma_declare_contiguous(&s5p_device_fimc0.dev, 16*SZ_1M, 0);
}

static void __init goni_machine_init(void)
--
1.7.1.569.g6f426


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