[PATCH] usb: musb: mediatek: don't unregister something that wasn't registered

[Dan Carpenter]

This function only calls mtk_otg_switch_init() when the ->port_mode
is MUSB_OTG so the clean up code should only call mtk_otg_switch_exit()
for that mode.

Fixes: 0990366bab3c ("usb: musb: Add support for MediaTek musb controller")
Signed-off-by: Dan Carpenter <error27 at gmail.com>
---
>From static analysis.  Please review carefully.

 drivers/usb/musb/mediatek.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c
index cad991380b0c..27b9bd258340 100644
--- a/drivers/usb/musb/mediatek.c
+++ b/drivers/usb/musb/mediatek.c
@@ -294,7 +294,8 @@ static int mtk_musb_init(struct musb *musb)
 err_phy_power_on:
 	phy_exit(glue->phy);
 err_phy_init:
-	mtk_otg_switch_exit(glue);
+	if (musb->port_mode == MUSB_OTG)
+		mtk_otg_switch_exit(glue);
 	return ret;
 }
 
-- 
2.35.1