diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 13222d352a6..43a89e4ba92 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1168,20 +1168,6 @@ int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, if (urb->unlinked) return -EBUSY; urb->unlinked = status; - - /* IRQ setup can easily be broken so that USB controllers - * never get completion IRQs ... maybe even the ones we need to - * finish unlinking the initial failed usb_set_address() - * or device descriptor fetch. - */ - if (!HCD_SAW_IRQ(hcd) && !is_root_hub(urb->dev)) { - dev_warn(hcd->self.controller, "Unlink after no-IRQ? " - "Controller is probably using the wrong IRQ.\n"); - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (hcd->shared_hcd) - set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); - } - return 0; } EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb); @@ -2148,16 +2134,12 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) */ local_irq_save(flags); - if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) { + if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) rc = IRQ_NONE; - } else if (hcd->driver->irq(hcd) == IRQ_NONE) { + else if (hcd->driver->irq(hcd) == IRQ_NONE) rc = IRQ_NONE; - } else { - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (hcd->shared_hcd) - set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); + else rc = IRQ_HANDLED; - } local_irq_restore(flags); return rc; |