usb: gadget: renesas_usbhs: move usbhs_usbreq_get/set_val() to common.c

usbhs_usbreq_get/set_val() functions were in pipe.c file,
but it is irrelevant to pipe.
this patch move it to common.c

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 17abdfe..b327458 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -147,6 +147,32 @@
 }
 
 /*
+ *		usb request functions
+ */
+void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+{
+	u16 val;
+
+	val = usbhs_read(priv, USBREQ);
+	req->bRequest		= (val >> 8) & 0xFF;
+	req->bRequestType	= (val >> 0) & 0xFF;
+
+	req->wValue	= usbhs_read(priv, USBVAL);
+	req->wIndex	= usbhs_read(priv, USBINDX);
+	req->wLength	= usbhs_read(priv, USBLENG);
+}
+
+void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+{
+	usbhs_write(priv, USBREQ,  (req->bRequest << 8) | req->bRequestType);
+	usbhs_write(priv, USBVAL,  req->wValue);
+	usbhs_write(priv, USBINDX, req->wIndex);
+	usbhs_write(priv, USBLENG, req->wLength);
+
+	usbhs_bset(priv, DCPCTR, SUREQ, SUREQ);
+}
+
+/*
  *		bus/vbus functions
  */
 void usbhs_bus_send_sof_enable(struct usbhs_priv *priv)
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index a5cef81..3b23380 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -185,6 +185,7 @@
 /* PIPEnCTR */
 /* DCPCTR */
 #define BSTS		(1 << 15)	/* Buffer Status */
+#define SUREQ		(1 << 14)	/* Sending SETUP Token */
 #define CSSTS		(1 << 12)	/* CSSTS Status */
 #define SQCLR		(1 << 8)	/* Toggle Bit Clear */
 #define	ACLRM		(1 << 9)	/* Buffer Auto-Clear Mode */
@@ -260,6 +261,12 @@
 void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
 
 /*
+ * usb request
+ */
+void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
+void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
+
+/*
  * bus
  */
 void usbhs_bus_send_sof_enable(struct usbhs_priv *priv);
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 1810133..6aaa436 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -40,30 +40,6 @@
 };
 
 /*
- *		usb request functions
- */
-void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
-{
-	u16 val;
-
-	val = usbhs_read(priv, USBREQ);
-	req->bRequest		= (val >> 8) & 0xFF;
-	req->bRequestType	= (val >> 0) & 0xFF;
-
-	req->wValue	= usbhs_read(priv, USBVAL);
-	req->wIndex	= usbhs_read(priv, USBINDX);
-	req->wLength	= usbhs_read(priv, USBLENG);
-}
-
-void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
-{
-	usbhs_write(priv, USBREQ,  (req->bRequest << 8) | req->bRequestType);
-	usbhs_write(priv, USBVAL,  req->wValue);
-	usbhs_write(priv, USBINDX, req->wIndex);
-	usbhs_write(priv, USBLENG, req->wLength);
-}
-
-/*
  *		DCPCTR/PIPEnCTR functions
  */
 static void usbhsp_pipectrl_set(struct usbhs_pipe *pipe, u16 mask, u16 val)
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index fc776ac..8120fad7 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -71,12 +71,6 @@
 #define usbhs_priv_to_pipeinfo(pr)	(&(pr)->pipe_info)
 
 /*
- * usb request
- */
-void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
-void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
-
-/*
  * pipe control
  */
 struct usbhs_pipe