diff options
Diffstat (limited to 'arch/arm/cpu/mmu-common.c')
| -rw-r--r-- | arch/arm/cpu/mmu-common.c | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/arch/arm/cpu/mmu-common.c b/arch/arm/cpu/mmu-common.c index 287622b203..5cc5138cfa 100644 --- a/arch/arm/cpu/mmu-common.c +++ b/arch/arm/cpu/mmu-common.c @@ -10,27 +10,6 @@ #include <memory.h> #include "mmu.h" - -static inline dma_addr_t cpu_to_dma(struct device_d *dev, unsigned long cpu_addr) -{ - dma_addr_t dma_addr = cpu_addr; - - if (dev) - dma_addr -= dev->dma_offset; - - return dma_addr; -} - -static inline unsigned long dma_to_cpu(struct device_d *dev, dma_addr_t addr) -{ - unsigned long cpu_addr = addr; - - if (dev) - cpu_addr += dev->dma_offset; - - return cpu_addr; -} - void dma_sync_single_for_cpu(dma_addr_t address, size_t size, enum dma_data_direction dir) { @@ -41,24 +20,6 @@ void dma_sync_single_for_cpu(dma_addr_t address, size_t size, dma_inv_range((void *)address, size); } -dma_addr_t dma_map_single(struct device_d *dev, void *ptr, size_t size, - enum dma_data_direction dir) -{ - unsigned long addr = (unsigned long)ptr; - - dma_sync_single_for_device(addr, size, dir); - - return cpu_to_dma(dev, addr); -} - -void dma_unmap_single(struct device_d *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) -{ - unsigned long addr = dma_to_cpu(dev, dma_addr); - - dma_sync_single_for_cpu(addr, size, dir); -} - void *dma_alloc_map(size_t size, dma_addr_t *dma_handle, unsigned flags) { void *ret; @@ -108,4 +69,4 @@ static int mmu_init(void) return 0; } -mmu_initcall(mmu_init);
\ No newline at end of file +mmu_initcall(mmu_init); |