linux-kernel - [PATCH 3/4] USB: omap_udc: fix omap_udc

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Message-Id: <20181118195912.14026-3-aaro.koskinen@iki.fi>
Date:   Sun, 18 Nov 2018 21:59:11 +0200
From:   Aaro Koskinen <aaro.koskinen@....fi>
To:     Felipe Balbi <balbi@...nel.org>, linux-usb@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        Tony Lindgren <tony@...mide.com>,
        Aaro Koskinen <aaro.koskinen@....fi>
Subject: [PATCH 3/4] USB: omap_udc: fix omap_udc_start() on 15xx machines

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@....fi>
---
 drivers/usb/gadget/udc/omap_udc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index d98782ec254d..7c240b1921bd 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2041,7 +2041,7 @@ 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;
 
@@ -2079,6 +2079,7 @@ static int omap_udc_start(struct usb_gadget *g,
 			goto done;
 		}
 	} else {
+		status = 0;
 		if (can_pullup(udc))
 			pullup_enable(udc);
 		else
-- 
2.17.0