[U-Boot] [PATCH v4 3/3] usb:udc:samsung Add functions for storing private gadget data in UDC driver

[Lukasz Majewski <l.majewski@samsung.com>]

This commit adds support for storing private data to Samsung's UDC
driver. This data is afterward used by usb gadget.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marex@denx.de>
---
 drivers/usb/gadget/s3c_udc_otg.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c
index f7f7b54..925d2f2 100644
--- a/drivers/usb/gadget/s3c_udc_otg.c
+++ b/drivers/usb/gadget/s3c_udc_otg.c
@@ -133,6 +133,18 @@ static void nuke(struct s3c_ep *ep, int status);
 static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
 static void s3c_udc_set_nak(struct s3c_ep *ep);
 
+void set_udc_gadget_private_data(void *p)
+{
+	DEBUG_SETUP("%s: the_controller: 0x%p, p: 0x%p\n", __func__,
+	       the_controller, p);
+	the_controller->gadget.dev.device_data = p;
+}
+
+void *get_udc_gadget_private_data(struct usb_gadget *gadget)
+{
+	return gadget->dev.device_data;
+}
+
 static struct usb_ep_ops s3c_ep_ops = {
 	.enable = s3c_ep_enable,
 	.disable = s3c_ep_disable,
-- 
1.7.2.3