usb: chipidea: brush up structure definitions

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / usb / chipidea / udc.h

diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h
index 3a9e669..e839a2b 100644 (file)
--- a/drivers/usb/chipidea/udc.h
+++ b/drivers/usb/chipidea/udc.h
@@ -59,15 +59,24 @@ struct ci13xxx_qh {
        struct usb_ctrlrequest   setup;
 } __attribute__ ((packed));
 
-/* Extension of usb_request */
+/**
+ * struct ci13xxx_req - usb request representation
+ * @req: request structure for gadget drivers
+ * @map: is the request mapped
+ * @queue: link to QH list
+ * @ptr: transfer descriptor for this request
+ * @dma: dma address for the transfer descriptor
+ * @zptr: transfer descriptor for the zero packet
+ * @zdma: dma address of the zero packet's transfer descriptor
+ */
 struct ci13xxx_req {
-       struct usb_request   req;
-       unsigned             map;
-       struct list_head     queue;
-       struct ci13xxx_td   *ptr;
-       dma_addr_t           dma;
-       struct ci13xxx_td   *zptr;
-       dma_addr_t           zdma;
+       struct usb_request      req;
+       unsigned                map;
+       struct list_head        queue;
+       struct ci13xxx_td       *ptr;
+       dma_addr_t              dma;
+       struct ci13xxx_td       *zptr;
+       dma_addr_t              zdma;
 };
 
 #ifdef CONFIG_USB_CHIPIDEA_UDC