From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Sat, 24 Nov 2018 22:17:06 +0000 (+0200)
Subject: USB: omap_udc: fix omap_udc_start() on 15xx machines
X-Git-Tag: v3.18.130~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f5a5ea30702ed60f2183bdca44b2b5a8d4252a3;p=profile%2Fwearable%2Fplatform%2Fkernel%2Flinux-3.18-exynos7270.git

USB: omap_udc: fix omap_udc_start() on 15xx machines

[ Upstream commit 6ca6695f576b8453fe68865e84d25946d63b10ad ]

On OMAP 15xx machines there are no transceivers, and omap_udc_start()
always fails as it forgot to adjust the default return value.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index a66031d..184d88e 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2045,7 +2045,7 @@ static inline int machine_without_vbus_sense(void)
 static int omap_udc_start(struct usb_gadget *g,
 		struct usb_gadget_driver *driver)
 {
-	int		status = -ENODEV;
+	int		status;
 	struct omap_ep	*ep;
 	unsigned long	flags;
 
@@ -2083,6 +2083,7 @@ static int omap_udc_start(struct usb_gadget *g,
 			goto done;
 		}
 	} else {
+		status = 0;
 		if (can_pullup(udc))
 			pullup_enable(udc);
 		else