1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/staging/frontier/frontier_compat.h b/drivers/staging/frontier/frontier_compat.h
new file mode 100644
index 000000000000..00450e637ac8
--- /dev/null
+++ b/drivers/staging/frontier/frontier_compat.h
@@ -0,0 +1,63 @@
+/* USB defines for older kernels */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
+
+/**
+ * usb_endpoint_dir_out - check if the endpoint has OUT direction
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type OUT, otherwise it returns false.
+ */
+
+static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
+{
+       return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
+}
+
+static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
+{
+       return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
+}
+
+
+/**
+ * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type interrupt, otherwise it returns
+ * false.
+ */
+static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
+{
+       return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+               USB_ENDPOINT_XFER_INT);
+}
+
+
+/**
+ * usb_endpoint_is_int_in - check if the endpoint is interrupt IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and IN direction,
+ * otherwise it returns false.
+ */
+
+static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
+{
+       return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
+}
+
+/**
+ * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+
+static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
+{
+       return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
+}
+
+#endif /* older kernel versions */