usb_hcd_irq(9) centos man page | unix.com

USB_HCD_IRQ(9)						       Host Controller APIs						    USB_HCD_IRQ(9)

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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    USB_HCD_IRQ(9)