'\" t
.\"     Title: ata_host_start
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: libata Library
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "ATA_HOST_START" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "libata Library"
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.SH "NAME"
ata_host_start \- start and freeze ports of an ATA host
.SH "SYNOPSIS"
.HP \w'int\ ata_host_start('u
.BI "int ata_host_start(struct\ ata_host\ *\ " "host" ");"
.SH "ARGUMENTS"
.PP
\fIstruct ata_host * host\fR
.RS 4
ATA host to start ports for
.RE
.SH "DESCRIPTION"
.PP
Start and then freeze ports of
\fIhost\fR\&. Started status is recorded in host\->flags, so this function can be called multiple times\&. Ports are guaranteed to get started only once\&. If host\->ops isn\*(Aqt initialized yet, its set to the first non\-dummy port ops\&.
.PP
LOCKING: Inherited from calling layer (may sleep)\&.
.SH "RETURN"
.PP
0 if all ports are started successfully, \-errno otherwise\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br