[U-Boot] [PATCH v4 7/8] usb.h: Add udc_disconnect prototype to usb.h

[Lukasz Dalek]

PXA25x gadget implements common function usb_disconnect().
This patch adds this function prototype into usb.h for boards using it.

Signed-off-by: Lukasz Dalek <luk0104 at gmail.com>
---
 include/usb.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/include/usb.h b/include/usb.h
index ba3d169..b6642de 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -166,6 +166,17 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 #define USB_UHCI_VEND_ID	0x8086
 #define USB_UHCI_DEV_ID		0x7112
 
+/*
+ * PXA25x can only act as USB device. There are drivers
+ * which works with USB CDC gadgets implementations.
+ * Some of them have common routines which can be used
+ * in boards init functions e.g. udc_disconnect() used for
+ * forced device disconnection from host.
+ */
+#elif defined(CONFIG_USB_GADGET_PXA2XX)
+
+extern void udc_disconnect(void);
+
 #else
 #error USB Lowlevel not defined
 #endif
-- 
1.7.8.6