usb: gadget: add endpoint capabilities helper macros

Add macros useful while initializing array of endpoint capabilities
structures. These macros makes structure initialization more compact
to decrease number of code lines and increase readability of code.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index a9a49593c239911c64d5726b9fb2c73e70423c1d..82b5bcbd2c9841e447b327d40e31d6434c5e1b9f 100644 (file)
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -158,6 +158,26 @@ struct usb_ep_caps {
        unsigned dir_out:1;
 };
 
+#define USB_EP_CAPS_TYPE_CONTROL     0x01
+#define USB_EP_CAPS_TYPE_ISO         0x02
+#define USB_EP_CAPS_TYPE_BULK        0x04
+#define USB_EP_CAPS_TYPE_INT         0x08
+#define USB_EP_CAPS_TYPE_ALL \
+       (USB_EP_CAPS_TYPE_ISO | USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT)
+#define USB_EP_CAPS_DIR_IN           0x01
+#define USB_EP_CAPS_DIR_OUT          0x02
+#define USB_EP_CAPS_DIR_ALL  (USB_EP_CAPS_DIR_IN | USB_EP_CAPS_DIR_OUT)
+
+#define USB_EP_CAPS(_type, _dir) \
+       { \
+               .type_control = !!(_type & USB_EP_CAPS_TYPE_CONTROL), \
+               .type_iso = !!(_type & USB_EP_CAPS_TYPE_ISO), \
+               .type_bulk = !!(_type & USB_EP_CAPS_TYPE_BULK), \
+               .type_int = !!(_type & USB_EP_CAPS_TYPE_INT), \
+               .dir_in = !!(_dir & USB_EP_CAPS_DIR_IN), \
+               .dir_out = !!(_dir & USB_EP_CAPS_DIR_OUT), \
+       }
+
 /**
  * struct usb_ep - device side representation of USB endpoint
  * @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk"