usb: chipidea: udc: driver update for OTG HNP

Add b_hnp_enable request handling and enable gadget->is_otg

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index f58857d45050db54a53b4ecf88a72e3600af502d..cba7fd63d6e340317414589a34e1e5d31abfb77f 100644 (file)
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -20,6 +20,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
+#include <linux/usb/otg-fsm.h>
 #include <linux/usb/chipidea.h>
 
 #include "ci.h"
@@ -1052,6 +1053,14 @@ __acquires(ci->lock)
                                default:
                                        break;
                                }
+                               break;
+                       case USB_DEVICE_B_HNP_ENABLE:
+                               if (ci_otg_is_fsm_mode(ci)) {
+                                       ci->gadget.b_hnp_enable = 1;
+                                       err = isr_setup_status_phase(
+                                                       ci);
+                               }
+                               break;
                        default:
                                goto delegate;
                        }
@@ -1759,7 +1768,7 @@ static int udc_start(struct ci_hdrc *ci)
        ci->gadget.ops          = &usb_gadget_ops;
        ci->gadget.speed        = USB_SPEED_UNKNOWN;
        ci->gadget.max_speed    = USB_SPEED_HIGH;
-       ci->gadget.is_otg       = 0;
+       ci->gadget.is_otg       = ci->is_otg ? 1 : 0;
        ci->gadget.name         = ci->platdata->name;
 
        INIT_LIST_HEAD(&ci->gadget.ep_list);