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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>
This commit is contained in:
Jon Medhurst 2011-08-04 16:35:26 +01:00
parent f407c2e38e
commit 2d5e975b21
2 changed files with 3 additions and 5 deletions
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5
arch/arm/mach-bcmring/include/mach/memory.h
View File

@ -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

3
arch/arm/mach-bcmring/mm.c
View File

@ -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);
}