usb_hcd_irq (9) Linux Manual Page

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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