From: Vardan Mikayelyan <mvardan@xxxxxxxxxxxx> In host slave mode, the core asserts the rxready, txfifoempty interrupts that get serviced in the gadget irq handler. Prevent servicing of these when not in the gadget mode of operation. Signed-off-by: Vardan Mikayelyan <mvardan@xxxxxxxxxxxx> Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx> --- drivers/usb/dwc2/gadget.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index d330190..4c5e300 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2425,6 +2425,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) u32 gintsts; u32 gintmsk; + if (!dwc2_is_device_mode(hsotg)) + return IRQ_NONE; + spin_lock(&hsotg->lock); irq_retry: gintsts = dwc2_readl(hsotg->regs + GINTSTS); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
