diff options
Diffstat (limited to 'arch/arm/mm/consistent.c')
| -rw-r--r-- | arch/arm/mm/consistent.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 83bd035c7d5..166aee13c4b 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -205,10 +205,10 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, * kernel direct-mapped region for device DMA. */ { - unsigned long kaddr = (unsigned long)page_address(page); - memset(page_address(page), 0, size); - dmac_flush_range(kaddr, kaddr + size); - outer_flush_range(__pa(kaddr), __pa(kaddr) + size); + void *ptr = page_address(page); + memset(ptr, 0, size); + dmac_flush_range(ptr, ptr + size); + outer_flush_range(__pa(ptr), __pa(ptr) + size); } /* @@ -481,10 +481,9 @@ core_initcall(consistent_init); * platforms with CONFIG_DMABOUNCE. * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ -void consistent_sync(void *vaddr, size_t size, int direction) +void consistent_sync(const void *start, size_t size, int direction) { - unsigned long start = (unsigned long)vaddr; - unsigned long end = start + size; + const void *end = start + size; BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(end)); |