56 	/* safe buffer info */
58 	void		*safe;  member
106 /* allocate a 'safe' buffer and keep track of it */
139 		buf->safe = dma_pool_alloc(pool->pool, GFP_ATOMIC,  in alloc_safe_buffer()
142 		buf->safe = dma_alloc_coherent(dev, size, &buf->safe_dma_addr,  in alloc_safe_buffer()
146 	if (buf->safe == NULL) {  in alloc_safe_buffer()
167 /* determine if a buffer is from our "safe" pool */
201 		dma_pool_free(buf->pool->pool, buf->safe, buf->safe_dma_addr);  in free_safe_buffer()
203 		dma_free_coherent(device_info->dev, buf->size, buf->safe,  in free_safe_buffer()
265 		buf->safe, buf->safe_dma_addr);  in map_single()
269 		dev_dbg(dev, "%s: copy unsafe %p to safe %p, size %d\n",  in map_single()
270 			__func__, ptr, buf->safe, size);  in map_single()
271 		memcpy(buf->safe, ptr, size);  in map_single()
286 		buf->safe, buf->safe_dma_addr);  in unmap_single()
294 		dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n",  in unmap_single()
295 			__func__, buf->safe, ptr, size);  in unmap_single()
296 		memcpy(ptr, buf->safe, size);  in unmap_single()
312  * allocate a 'safe' buffer and copy the unsafe buffer into it.
313  * substitute the safe buffer for the unsafe one.
314  * (basically move the buffer from an unsafe area to a safe one)
346  * see if a mapped address was really a "safe" buffer and if so, copy
347  * the data from the safe buffer back to the unsafe buffer and free up
348  * the safe buffer.  (basically return things back to the way they
387 		buf->safe, buf->safe_dma_addr);  in __dmabounce_sync_for_cpu()
392 		dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n",  in __dmabounce_sync_for_cpu()
393 			__func__, buf->safe + off, buf->ptr + off, sz);  in __dmabounce_sync_for_cpu()
394 		memcpy(buf->ptr + off, buf->safe + off, sz);  in __dmabounce_sync_for_cpu()
427 		buf->safe, buf->safe_dma_addr);  in __dmabounce_sync_for_device()
432 		dev_dbg(dev, "%s: copy out unsafe %p to safe %p, size %d\n",  in __dmabounce_sync_for_device()
433 			__func__,buf->ptr + off, buf->safe + off, sz);  in __dmabounce_sync_for_device()
434 		memcpy(buf->safe + off, buf->ptr + off, sz);  in __dmabounce_sync_for_device()