From: "kuninori.morimoto.gx@xxxxxxxxxxx" <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
include/linux/usb/ch9.h | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 0fd3fbd..e809dea 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -34,6 +34,7 @@
#define __LINUX_USB_CH9_H
#include <linux/types.h> /* __u8 etc */
+#include <asm/byteorder.h> /* le16_to_cpu */
/*-------------------------------------------------------------------------*/
@@ -570,6 +571,17 @@ static inline int usb_endpoint_is_isoc_out(
return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd);
}
+/**
+ * usb_endpoint_maxp - get endpoint's max packet size
+ * @epd: endpoint to be checked
+ *
+ * Returns @epd's max packet
+ */
+static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd)
+{
+ return le16_to_cpu(epd->wMaxPacketSize);
+}
+
/*-------------------------------------------------------------------------*/
/* USB_DT_SS_ENDPOINT_COMP: SuperSpeed Endpoint Companion descriptor */
--
1.7.7
--
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