#ifdef CONFIG_HAS_DMA
-int usb_gadget_map_request(struct usb_gadget *gadget,
+int usb_gadget_map_request_by_dev(struct device *dev,
struct usb_request *req, int is_in)
{
- struct device *dev = gadget->dev.parent;
-
if (req->length == 0)
return 0;
return 0;
}
+EXPORT_SYMBOL_GPL(usb_gadget_map_request_by_dev);
+
+int usb_gadget_map_request(struct usb_gadget *gadget,
+ struct usb_request *req, int is_in)
+{
+ return usb_gadget_map_request_by_dev(gadget->dev.parent, req, is_in);
+}
EXPORT_SYMBOL_GPL(usb_gadget_map_request);
-void usb_gadget_unmap_request(struct usb_gadget *gadget,
+void usb_gadget_unmap_request_by_dev(struct device *dev,
struct usb_request *req, int is_in)
{
if (req->length == 0)
return;
if (req->num_mapped_sgs) {
- dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs,
+ dma_unmap_sg(dev, req->sg, req->num_mapped_sgs,
is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
req->num_mapped_sgs = 0;
} else {
- dma_unmap_single(gadget->dev.parent, req->dma, req->length,
+ dma_unmap_single(dev, req->dma, req->length,
is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
}
}
+EXPORT_SYMBOL_GPL(usb_gadget_unmap_request_by_dev);
+
+void usb_gadget_unmap_request(struct usb_gadget *gadget,
+ struct usb_request *req, int is_in)
+{
+ usb_gadget_unmap_request_by_dev(gadget->dev.parent, req, is_in);
+}
EXPORT_SYMBOL_GPL(usb_gadget_unmap_request);
#endif /* CONFIG_HAS_DMA */
/* utility to simplify map/unmap of usb_requests to/from DMA */
+extern int usb_gadget_map_request_by_dev(struct device *dev,
+ struct usb_request *req, int is_in);
extern int usb_gadget_map_request(struct usb_gadget *gadget,
struct usb_request *req, int is_in);
+extern void usb_gadget_unmap_request_by_dev(struct device *dev,
+ struct usb_request *req, int is_in);
extern void usb_gadget_unmap_request(struct usb_gadget *gadget,
struct usb_request *req, int is_in);