[U-Boot] usb, g_dnl: make possibility to fixup the device_desc board specific

[Heiko Schocher]

add a weak dummy function g_dnl_fixup to add the possibility to update
the device_desc board specific. Used on the upcoming siemens board
support, where idVendor and idProduct is stored in an eeprom.

Signed-off-by: Heiko Schocher <hs at denx.de>
Cc: Marek Vasut <marek.vasut at gmail.com>
Cc: Lukasz Majewski <l.majewski at samsung.com>
Cc: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/usb/gadget/g_dnl.c | 7 +++++++
 include/g_dnl.h            | 2 +-
 2 Dateien geändert, 8 Zeilen hinzugefügt(+), 1 Zeile entfernt(-)

diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index cc3f344..8a3777b 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -125,6 +125,12 @@ static int g_dnl_config_register(struct usb_composite_dev *cdev)
 	return usb_add_config(cdev, &config);
 }
 
+__weak
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev)
+{
+	return 0;
+}
+
 static int g_dnl_bind(struct usb_composite_dev *cdev)
 {
 	struct usb_gadget *gadget = cdev->gadget;
@@ -147,6 +153,7 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
 	g_dnl_string_defs[1].id = id;
 	device_desc.iProduct = id;
 
+	g_dnl_bind_fixup(&device_desc);
 	ret = g_dnl_config_register(cdev);
 	if (ret)
 		goto error;
diff --git a/include/g_dnl.h b/include/g_dnl.h
index f47395f..f8affd8 100644
--- a/include/g_dnl.h
+++ b/include/g_dnl.h
@@ -23,7 +23,7 @@
 
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
-
+int g_dnl_bind_fixup(struct usb_device_descriptor *);
 int g_dnl_register(const char *s);
 void g_dnl_unregister(void);
 
-- 
1.7.11.7