From 19aab56c7f68a577d638a98c019b89420943ee70 Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Fri, 29 Oct 2010 04:23:27 -0500 Subject: [PATCH] usb: musb: Fix handling of spurious SESSREQ Rely on VBUS being valid on top off B device. Signed-off-by: Heikki Krogerus Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 78277170275b..e6669fc3b804 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -552,7 +552,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, 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; } -- 2.20.1