'\" t
.\"     Title: enable_irq
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Hardware Interfaces
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "ENABLE_IRQ" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Hardware Interfaces"
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.SH "NAME"
enable_irq \- enable handling of an irq
.SH "SYNOPSIS"
.HP \w'void\ enable_irq('u
.BI "void enable_irq(unsigned\ int\ " "irq" ");"
.SH "ARGUMENTS"
.PP
\fIirq\fR
.RS 4
Interrupt to enable
.RE
.SH "DESCRIPTION"
.PP
Undoes the effect of one call to
\fBdisable_irq\fR\&. If this matches the last disable, processing of interrupts on this IRQ line is re\-enabled\&.
.PP
This function may be called from IRQ context only when desc\->irq_data\&.chip\->bus_lock and desc\->chip\->bus_sync_unlock are NULL !
.SH "COPYRIGHT"
.br