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Commit d70a5969 authored by Jon Medhurst's avatar Jon Medhurst
Browse files

ARM: mach-u300: Setup consistent dma size at boot time 



Signed-off-by: default avatarJon Medhurst <tixy@yxit.co.uk>
Acked-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
parent fd24f903

arch/arm/mach-u300/core.c

+3 −0
Original line number Diff line number Diff line
@@ -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

+0 −5
Original line number Diff line number Diff line
@@ -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