usb: gadget: net2280: Fix invalid handling of Reset irq

Without this patch, some hosts keep restarting indefinitely the target.

Fixes: ae8e530 (usb: gadget: net2280: Code Cleanup)
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index f4eac113690ebd2e164e4768113aec6319b68290..2e95715b50c0967f02550dbe11e88c159dbd5b5c 100644 (file)
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -3320,7 +3320,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
        if (stat & tmp) {
                writel(tmp, &dev->regs->irqstat1);
                if ((((stat & BIT(ROOT_PORT_RESET_INTERRUPT)) &&
-                               (readl(&dev->usb->usbstat) & mask)) ||
+                               ((readl(&dev->usb->usbstat) & mask) == 0)) ||
                                ((readl(&dev->usb->usbctl) &
                                        BIT(VBUS_PIN)) == 0)) &&
                                (dev->gadget.speed != USB_SPEED_UNKNOWN)) {