52 	size_t		size;  member
62 	unsigned long	size;  member
108 		  size_t size, enum dma_data_direction dir)  in alloc_safe_buffer()  argument
116 		__func__, ptr, size, dir);  in alloc_safe_buffer()
118 	if (size <= device_info->small.size) {  in alloc_safe_buffer()
120 	} else if (size <= device_info->large.size) {  in alloc_safe_buffer()
133 	buf->size = size;  in alloc_safe_buffer()
141 		buf->safe = dma_alloc_coherent(dev, size, &buf->safe_dma_addr,  in alloc_safe_buffer()
148 			 __func__, size);  in alloc_safe_buffer()
177 		    b->safe_dma_addr + b->size > safe_dma_addr) {  in find_safe_buffer()
202 		dma_free_coherent(device_info->dev, buf->size, buf->safe,  in free_safe_buffer()
222 static int needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)  in needs_bounce()  argument
231 		if (limit && size > limit) {  in needs_bounce()
233 				"mask %#Lx)\n", size, *dev->dma_mask);  in needs_bounce()
238 		if ((dma_addr | (dma_addr + size - 1)) & ~mask)  in needs_bounce()
242 	return !!dev->archdata.dmabounce->needs_bounce(dev, dma_addr, size);  in needs_bounce()
245 static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size,  in map_single()  argument
254 	buf = alloc_safe_buffer(device_info, ptr, size, dir);  in map_single()
267 			__func__, ptr, buf->safe, size);  in map_single()
268 		memcpy(buf->safe, ptr, size);  in map_single()
275 		size_t size, enum dma_data_direction dir)  in unmap_single()  argument
277 	BUG_ON(buf->size != size);  in unmap_single()
290 			__func__, buf->safe, ptr, size);  in unmap_single()
291 		memcpy(ptr, buf->safe, size);  in unmap_single()
298 		__cpuc_flush_dcache_area(ptr, size);  in unmap_single()
312 		unsigned long offset, size_t size, enum dma_data_direction dir,  in dmabounce_map_page()  argument
319 		__func__, page, offset, size, dir);  in dmabounce_map_page()
323 	ret = needs_bounce(dev, dma_addr, size);  in dmabounce_map_page()
328 		arm_dma_ops.sync_single_for_device(dev, dma_addr, size, dir);  in dmabounce_map_page()
337 	return map_single(dev, page_address(page) + offset, size, dir);  in dmabounce_map_page()
346 static void dmabounce_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,  in dmabounce_unmap_page()  argument
352 		__func__, dma_addr, size, dir);  in dmabounce_unmap_page()
356 		arm_dma_ops.sync_single_for_cpu(dev, dma_addr, size, dir);  in dmabounce_unmap_page()
360 	unmap_single(dev, buf, size, dir);  in dmabounce_unmap_page()
395 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in dmabounce_sync_for_cpu()  argument
397 	if (!__dmabounce_sync_for_cpu(dev, handle, size, dir))  in dmabounce_sync_for_cpu()
400 	arm_dma_ops.sync_single_for_cpu(dev, handle, size, dir);  in dmabounce_sync_for_cpu()
435 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in dmabounce_sync_for_device()  argument
437 	if (!__dmabounce_sync_for_device(dev, handle, size, dir))  in dmabounce_sync_for_device()
440 	arm_dma_ops.sync_single_for_device(dev, handle, size, dir);  in dmabounce_sync_for_device()
468 		const char *name, unsigned long size)  in dmabounce_init_pool()  argument
470 	pool->size = size;  in dmabounce_init_pool()
472 	pool->pool = dma_pool_create(name, dev, size,  in dmabounce_init_pool()