usb:g_dnl:dfu: Download gadget and DFU function code clean up
The download gadget code and DFU function lacks of proper declarations
for the case when a target board wants to use only one of available usb
functions.
Moreover the relevant declarations have been moved to consistent
localization (like <dfu.h>).
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Cc: Marek Vasut <marex@denx.de>
diff --git a/drivers/usb/gadget/f_dfu.h b/drivers/usb/gadget/f_dfu.h
index 34a4dde..cc2c455 100644
--- a/drivers/usb/gadget/f_dfu.h
+++ b/drivers/usb/gadget/f_dfu.h
@@ -82,7 +82,4 @@
__le16 wTransferSize;
__le16 bcdDFUVersion;
} __packed;
-
-/* configuration-specific linkup */
-int dfu_add(struct usb_configuration *c);
#endif /* __F_DFU_H_ */
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index 29d08a3..40868c0 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -15,7 +15,7 @@
#include <g_dnl.h>
#include <usb_mass_storage.h>
-#include "f_dfu.h"
+#include <dfu.h>
#include "gadget_chips.h"
#include "composite.c"
diff --git a/include/dfu.h b/include/dfu.h
index 6f4bba4..b2ecf1b 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -14,6 +14,7 @@
#include <common.h>
#include <linux/list.h>
#include <mmc.h>
+#include <linux/usb/composite.h>
enum dfu_device_type {
DFU_DEV_MMC = 1,
@@ -161,4 +162,12 @@
}
#endif
+#ifdef CONFIG_DFU_FUNCTION
+int dfu_add(struct usb_configuration *c);
+#else
+int dfu_add(struct usb_configuration *c)
+{
+ return 0;
+}
+#endif
#endif /* __DFU_ENTITY_H_ */