'\" t .\" Title: acpi_bus_scan .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: Device drivers infrastructure .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "ACPI_BUS_SCAN" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Device drivers infrastructure" .\" ----------------------------------------------------------------- .\" * 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" acpi_bus_scan \- Add ACPI device node objects in a given namespace scope\&. .SH "SYNOPSIS" .HP \w'int\ acpi_bus_scan('u .BI "int acpi_bus_scan(acpi_handle\ " "handle" ");" .SH "ARGUMENTS" .PP \fIhandle\fR .RS 4 Root of the namespace scope to scan\&. .RE .SH "DESCRIPTION" .PP Scan a given ACPI tree (probably recently hot\-plugged) and create and add found devices\&. .PP If no devices were found, \-ENODEV is returned, but it does not mean that there has been a real error\&. There just have been no suitable ACPI objects in the table trunk from which the kernel could create a device and add an appropriate driver\&. .PP Must be called under acpi_scan_lock\&. .SH "COPYRIGHT" .br