usb_hcd_irq
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## Name

usb_hcd_irq — hook IRQs to HCD framework (bus glue)

## Synopsis

`irqreturn_t usb_hcd_irq (` | int irq,
| void * __hcd`)`;

## Arguments

`irq`

  the IRQ being raised

`__hcd`

  pointer to the HCD whose IRQ is being signaled

## Description

If the controller isn't HALTed, calls the driver's irq handler. Checks whether the controller is now dead.

## Return

`IRQ_HANDLED` if the IRQ was handled. `IRQ_NONE` otherwise.

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