commit 19aab56c7f68a577d638a98c019b89420943ee70
author Heikki Krogerus <heikki.krogerus@nokia.com> Fri Oct 29 04:23:27 2010 -0500
committer Felipe Balbi <balbi@ti.com> Fri Nov 05 14:17:35 2010 +0200
tree e2b3d88abd4bcf37501260cb38323cf8a5dcd2a2
parent b212091474a5f967979e62c5c24687ee4d0342d9

usb: musb: Fix handling of spurious SESSREQ

Rely on VBUS being valid on top off B device.

Signed-off-by: Heikki Krogerus <heikki.krogerus@nokia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/musb/musb_core.c

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 7827717..e6669fc 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -552,7 +552,8 @@
 	if (int_usb & MUSB_INTR_SESSREQ) {
 		void __iomem *mbase = musb->mregs;
 
-		if (devctl & MUSB_DEVCTL_BDEVICE) {
+		if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS
+				&& (devctl & MUSB_DEVCTL_BDEVICE)) {
 			DBG(3, "SessReq while on B state\n");
 			return IRQ_HANDLED;
 		}