'\" t .\" Title: enable_irq .\" Author: .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: Public Functions Provided .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "ENABLE_IRQ" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Public Functions Provided" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .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 "AUTHORS" .PP \fBThomas Gleixner\fR <\&tglx@linutronix.de\&> .RS 4 Author. .RE .PP \fBIngo Molnar\fR <\&mingo@elte.hu\&> .RS 4 Author. .RE .SH "COPYRIGHT" .br