diff mbox

[v7,06/14] usb: gadget.h: Add OTG to gadget interface

Message ID 1462191537-10314-7-git-send-email-rogerq@ti.com
State New
Headers show

Commit Message

Roger Quadros May 2, 2016, 12:18 p.m. UTC 
The OTG core will use struct otg_gadget_ops to
start/stop the gadget controller.

The main purpose of this interface is to avoid directly
calling usb_gadget_start/stop() from the OTG core as they
wouldn't be defined in the built-in symbol table if
CONFIG_USB_GADGET is m.

Signed-off-by: Roger Quadros <rogerq@ti.com>

Reviewed-by: Peter Chen <peter.chen@freescale.com>

---
 include/linux/usb/gadget.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

-- 
2.7.4

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diff mbox

Patch

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 5d4e151..8c0ae64 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -1100,6 +1100,20 @@  struct usb_gadget_driver {
 };
 
 
+/*-------------------------------------------------------------------------*/
+
+/**
+ * struct otg_gadget_ops - Interface between OTG core and gadget
+ *
+ * Provided by the gadget core to allow the OTG core to start/stop the gadget
+ *
+ * @start: function to start the gadget
+ * @stop: function to stop the gadget
+ */
+struct otg_gadget_ops {
+	int (*start)(struct usb_gadget *gadget);
+	int (*stop)(struct usb_gadget *gadget);
+};
 
 /*-------------------------------------------------------------------------*/