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ARM: use phys_addr_t for DMA zone sizes

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In order to specify a DMA zone size of 4GB on LPAE systems, the sizes need
to be 64-bit. So make machine_desc.dma_zone_size and arm_dma_zone_size be
phys_addr_t instead of unsigned long.

Signed-off-by: Rob Herring <[email protected]>
This commit is contained in:
Rob Herring 2013-08-01 15:29:29 -05:00
commit 364230b995
2 changed files with 2 additions and 2 deletions
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2
arch/arm/include/asm/mach/arch.h
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@ -35,7 +35,7 @@ struct machine_desc {
unsigned int nr_irqs; /* number of IRQs */
#ifdef CONFIG_ZONE_DMA
unsigned long dma_zone_size; /* size of DMA-able area */
phys_addr_t dma_zone_size; /* size of DMA-able area */
#endif
unsigned int video_start; /* start of video RAM */

2
arch/arm/mm/init.c
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@ -207,7 +207,7 @@ static void __init arm_bootmem_init(unsigned long start_pfn,
#ifdef CONFIG_ZONE_DMA
unsigned long arm_dma_zone_size __read_mostly;
phys_addr_t arm_dma_zone_size __read_mostly;
EXPORT_SYMBOL(arm_dma_zone_size);
/*