diff options
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/consistent.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 1165161e472c..ef20bbabefa0 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -33,15 +33,12 @@ static int __init dma_init(void) } fs_initcall(dma_init); -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +void *dma_generic_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) { void *ret, *ret_nocache; int order = get_order(size); - if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) - return ret; - ret = (void *)__get_free_pages(gfp, order); if (!ret) return NULL; @@ -63,30 +60,21 @@ void *dma_alloc_coherent(struct device *dev, size_t size, *dma_handle = virt_to_phys(ret); - debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache); - return ret_nocache; } -EXPORT_SYMBOL(dma_alloc_coherent); -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +void dma_generic_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) { int order = get_order(size); unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; - WARN_ON(irqs_disabled()); /* for portability */ - - if (dma_release_from_coherent(dev, order, vaddr)) - return; - - debug_dma_free_coherent(dev, size, vaddr, dma_handle); for (k = 0; k < (1 << order); k++) __free_pages(pfn_to_page(pfn + k), 0); + iounmap(vaddr); } -EXPORT_SYMBOL(dma_free_coherent); void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) |