diff options
Diffstat (limited to 'arch/arm/include/asm/dma.h')
| -rw-r--r-- | arch/arm/include/asm/dma.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index 42005542932b..fcf15de8cadb 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -6,10 +6,13 @@ /* * This is the maximum virtual address which can be DMA'd from. */ -#ifndef ARM_DMA_ZONE_SIZE -#define MAX_DMA_ADDRESS 0xffffffff +#ifndef CONFIG_ZONE_DMA +#define MAX_DMA_ADDRESS 0xffffffffUL #else -#define MAX_DMA_ADDRESS (PAGE_OFFSET + ARM_DMA_ZONE_SIZE) +#define MAX_DMA_ADDRESS ({ \ + extern unsigned long arm_dma_zone_size; \ + arm_dma_zone_size ? \ + (PAGE_OFFSET + arm_dma_zone_size) : 0xffffffffUL; }) #endif #ifdef CONFIG_ISA_DMA_API |