[PATCH 13/23] usb: mtu3: rebuild role switch get/set hooks

[Chunfeng Yun]

Use common helper ssusb_set_mode() to do role switch instead
of manual switch helper;
Remove unnecessary local variable when get role status

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 drivers/usb/mtu3/mtu3_dr.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index cf9e5b59a77e..318fbc618137 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -256,13 +256,9 @@ void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
 static int ssusb_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
 {
 	struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
-	bool to_host = false;
-
-	if (role == USB_ROLE_HOST)
-		to_host = true;
+	struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;
 
-	if (to_host ^ ssusb->is_host)
-		ssusb_mode_switch(ssusb, to_host);
+	ssusb_set_mode(otg_sx, role);
 
 	return 0;
 }
@@ -270,11 +266,8 @@ static int ssusb_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
 static enum usb_role ssusb_role_sw_get(struct usb_role_switch *sw)
 {
 	struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
-	enum usb_role role;
-
-	role = ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
 
-	return role;
+	return ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
 }
 
 static int ssusb_role_sw_register(struct otg_switch_mtk *otg_sx)
-- 
2.18.0