54 	/* safe buffer info */
56 	void		*safe;  member
104 /* allocate a 'safe' buffer and keep track of it */
137 		buf->safe = dma_pool_alloc(pool->pool, GFP_ATOMIC,  in alloc_safe_buffer()
140 		buf->safe = dma_alloc_coherent(dev, size, &buf->safe_dma_addr,  in alloc_safe_buffer()
144 	if (buf->safe == NULL) {  in alloc_safe_buffer()
165 /* determine if a buffer is from our "safe" pool */
199 		dma_pool_free(buf->pool->pool, buf->safe, buf->safe_dma_addr);  in free_safe_buffer()
201 		dma_free_coherent(device_info->dev, buf->size, buf->safe,  in free_safe_buffer()
263 		buf->safe, buf->safe_dma_addr);  in map_single()
267 		dev_dbg(dev, "%s: copy unsafe %p to safe %p, size %d\n",  in map_single()
268 			__func__, ptr, buf->safe, size);  in map_single()
269 		memcpy(buf->safe, ptr, size);  in map_single()
284 		buf->safe, buf->safe_dma_addr);  in unmap_single()
292 		dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n",  in unmap_single()
293 			__func__, buf->safe, ptr, size);  in unmap_single()
294 		memcpy(ptr, buf->safe, size);  in unmap_single()
310  * allocate a 'safe' buffer and copy the unsafe buffer into it.
311  * substitute the safe buffer for the unsafe one.
312  * (basically move the buffer from an unsafe area to a safe one)
344  * see if a mapped address was really a "safe" buffer and if so, copy
345  * the data from the safe buffer back to the unsafe buffer and free up
346  * the safe buffer.  (basically return things back to the way they
385 		buf->safe, buf->safe_dma_addr);  in __dmabounce_sync_for_cpu()
390 		dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n",  in __dmabounce_sync_for_cpu()
391 			__func__, buf->safe + off, buf->ptr + off, sz);  in __dmabounce_sync_for_cpu()
392 		memcpy(buf->ptr + off, buf->safe + off, sz);  in __dmabounce_sync_for_cpu()
425 		buf->safe, buf->safe_dma_addr);  in __dmabounce_sync_for_device()
430 		dev_dbg(dev, "%s: copy out unsafe %p to safe %p, size %d\n",  in __dmabounce_sync_for_device()
431 			__func__,buf->ptr + off, buf->safe + off, sz);  in __dmabounce_sync_for_device()
432 		memcpy(buf->safe + off, buf->ptr + off, sz);  in __dmabounce_sync_for_device()