From: Felipe Balbi <balbi@ti.com>
Date: Thu, 6 Nov 2014 06:27:54 +0000 (+0800)
Subject: usb: musb: gadget: use udc-core's reset notifier
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1189f7f6dcf045ff970f619734420c6dd3d8526e;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

usb: musb: gadget: use udc-core's reset notifier

Replace usb_gadget_driver's disconnect with udc-core's reset notifier at
bus reset handler.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 56c31b769a54..49b04cb6f5ca 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -2083,9 +2083,12 @@ __acquires(musb->lock)
 				: NULL
 			);
 
-	/* report disconnect, if we didn't already (flushing EP state) */
-	if (musb->g.speed != USB_SPEED_UNKNOWN)
-		musb_g_disconnect(musb);
+	/* report reset, if we didn't already (flushing EP state) */
+	if (musb->gadget_driver && musb->g.speed != USB_SPEED_UNKNOWN) {
+		spin_unlock(&musb->lock);
+		usb_gadget_udc_reset(&musb->g, musb->gadget_driver);
+		spin_lock(&musb->lock);
+	}
 
 	/* clear HR */
 	else if (devctl & MUSB_DEVCTL_HR)