usb: gadget: renesas_usbhs: remove usbhs_sys_usb_ctrl()

usbhs_sys_usb_ctrl() can collect into usbhs_sys_host/function_ctrl().

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 38249da..ce54abf 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -100,15 +100,10 @@
 	usbhs_bset(priv, SYSCFG, SCKE, enable ? SCKE : 0);
 }
 
-void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable)
-{
-	usbhs_bset(priv, SYSCFG, USBE, enable ? USBE : 0);
-}
-
 void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
 {
-	u16 mask = DCFM | DRPD | DPRPU | HSE;
-	u16 val  = DCFM | DRPD | HSE;
+	u16 mask = DCFM | DRPD | DPRPU | HSE | USBE;
+	u16 val  = DCFM | DRPD | HSE | USBE;
 	int has_otg = usbhs_get_dparam(priv, has_otg);
 
 	if (has_otg)
@@ -125,8 +120,8 @@
 
 void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
 {
-	u16 mask = DCFM | DRPD | DPRPU | HSE;
-	u16 val  = DPRPU | HSE;
+	u16 mask = DCFM | DRPD | DPRPU | HSE | USBE;
+	u16 val  = DPRPU | HSE | USBE;
 
 	/*
 	 * if enable
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index 30d1887..46c9fd2 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -284,7 +284,6 @@
  * sysconfig
  */
 void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable);
-void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable);
 void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable);
 void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
 
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index f23839d..8fb9056f 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -682,7 +682,6 @@
 	 * - usb module
 	 */
 	usbhs_sys_function_ctrl(priv, 1);
-	usbhs_sys_usb_ctrl(priv, 1);
 
 	/*
 	 * enable irq callback
@@ -731,7 +730,6 @@
 
 	/* disable sys */
 	usbhs_sys_function_ctrl(priv, 0);
-	usbhs_sys_usb_ctrl(priv, 0);
 
 	usbhsg_pipe_disable(dcp);
 
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 366a8a7..2656d59 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1206,7 +1206,6 @@
 	 * - usb module
 	 */
 	usbhs_sys_host_ctrl(priv, 1);
-	usbhs_sys_usb_ctrl(priv, 1);
 
 	/*
 	 * enable irq callback
@@ -1242,7 +1241,6 @@
 
 	/* disable sys */
 	usbhs_sys_host_ctrl(priv, 0);
-	usbhs_sys_usb_ctrl(priv, 0);
 
 	dev_dbg(dev, "quit host\n");