fix the problem that did not set IRQF_TRIGGER_ flag.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
        struct r8a66597 *r8a66597;
        int ret = 0;
        int i;
+       unsigned long irq_trigger;
 
        if (pdev->dev.dma_mask) {
                ret = -EINVAL;
        INIT_LIST_HEAD(&r8a66597->child_device);
 
        hcd->rsrc_start = res->start;
-       ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+       if (irq_sense == INTL)
+               irq_trigger = IRQF_TRIGGER_LOW;
+       else
+               irq_trigger = IRQF_TRIGGER_FALLING;
+       ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
        if (ret != 0) {
                err("Failed to add hcd");
                goto clean_up;