'\" t
.\"     Title: usb_hcd_irq
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Host Controller APIs
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "USB_HCD_IRQ" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Host Controller APIs"
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.SH "NAME"
usb_hcd_irq \- hook IRQs to HCD framework (bus glue)
.SH "SYNOPSIS"
.HP \w'irqreturn_t\ usb_hcd_irq('u
.BI "irqreturn_t usb_hcd_irq(int\ " "irq" ", void\ *\ " "__hcd" ");"
.SH "ARGUMENTS"
.PP
\fIirq\fR
.RS 4
the IRQ being raised
.RE
.PP
\fI__hcd\fR
.RS 4
pointer to the HCD whose IRQ is being signaled
.RE
.SH "DESCRIPTION"
.PP
If the controller isn\*(Aqt HALTed, calls the driver\*(Aqs irq handler\&. Checks whether the controller is now dead\&.
.SH "RETURN"
.PP
\fBIRQ_HANDLED\fR
if the IRQ was handled\&.
\fBIRQ_NONE\fR
otherwise\&.
.SH "COPYRIGHT"
.br