[U-Boot] [PATCH V5 03/18] usb: echi-hcd: add usb_lowlevel_init_device

[Troy Kisky]

Use this function so that we can verify the OTG_ID
pin is high and device mode should be activated.

Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>

---
v5: new patch
---
 drivers/usb/gadget/mv_udc.c |  2 +-
 drivers/usb/host/ehci-hcd.c | 13 +++++++++++++
 include/usb.h               |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c
index b87119c..ecd11d7 100644
--- a/drivers/usb/gadget/mv_udc.c
+++ b/drivers/usb/gadget/mv_udc.c
@@ -684,7 +684,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	if (driver->speed != USB_SPEED_FULL && driver->speed != USB_SPEED_HIGH)
 		return -EINVAL;
 
-	ret = usb_lowlevel_init(0, (void **)&controller.ctrl);
+	ret = usb_lowlevel_init_device(0, (void **)&controller.ctrl);
 	if (ret)
 		return ret;
 
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index fdad739..dbea756 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1004,6 +1004,19 @@ int usb_lowlevel_init(int index, void **controller)
 	return 0;
 }
 
+int usb_lowlevel_init_device(int index, void **controller)
+{
+	int rc = ehci_hcd_init(index, &ehcic[index].hccr, &ehcic[index].hcor);
+
+	/* rc == 0 means host mode, failure for us */
+	if (!rc)
+		return -EINVAL;
+	if (rc != -ENODEV)
+		return rc;
+	*controller = &ehcic[index];
+	return 0;
+}
+
 int
 submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 		int length)
diff --git a/include/usb.h b/include/usb.h
index 60db897..4bc50cc 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -141,6 +141,7 @@ struct usb_device {
 	defined(CONFIG_USB_MUSB_OMAP2PLUS)
 
 int usb_lowlevel_init(int index, void **controller);
+int usb_lowlevel_init_device(int index, void **controller);
 int usb_lowlevel_stop(int index);
 
 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
-- 
1.8.1.2