void x86_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
unsigned long attrs)
{
if (is_swiotlb_buffer(dma_to_phys(dev, dma_addr)))
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
else
dma_generic_free_coherent(dev, size, vaddr, dma_addr, attrs);
}
static void loongson_dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
int order = get_order(size);
if (dma_release_from_coherent(dev, order, vaddr))
return;
swiotlb_free_coherent(dev, size, vaddr, dma_handle);
}
static void __dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
bool freed;
phys_addr_t paddr = dma_to_phys(dev, dma_handle);
if (dev == NULL) {
WARN_ONCE(1, "Use an actual device structure for DMA allocation\n");
return;
}
freed = dma_release_from_contiguous(dev,
phys_to_page(paddr),
PAGE_ALIGN(size) >> PAGE_SHIFT);
if (!freed)
swiotlb_free_coherent(dev, size, vaddr, dma_handle);
}
static void arm64_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_handle);
}
static void octeon_dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle, unsigned long attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_handle);
}
static void unicore_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
struct dma_attrs *attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
}