'\" t
.\"     Title: ata_wait_ready
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: libata Core Internals
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "ATA_WAIT_READY" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "libata Core Internals"
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.SH "NAME"
ata_wait_ready \- wait for link to become ready
.SH "SYNOPSIS"
.HP \w'int\ ata_wait_ready('u
.BI "int ata_wait_ready(struct\ ata_link\ *\ " "link" ", unsigned\ long\ " "deadline" ", int\ (*" "check_ready" ")\ (struct\ ata_link\ *link));"
.SH "ARGUMENTS"
.PP
\fIstruct ata_link * link\fR
.RS 4
link to be waited on
.RE
.PP
\fIunsigned long deadline\fR
.RS 4
deadline jiffies for the operation
.RE
.PP
\fIint (*)(struct ata_link *link) check_ready\fR
.RS 4
callback to check link readiness
.RE
.SH "DESCRIPTION"
.PP
Wait for
\fIlink\fR
to become ready\&.
\fIcheck_ready\fR
should return positive number if
\fIlink\fR
is ready, 0 if it isn\*(Aqt, \-ENODEV if link doesn\*(Aqt seem to be occupied, other errno for other error conditions\&.
.PP
Transient \-ENODEV conditions are allowed for ATA_TMOUT_FF_WAIT\&.
.PP
LOCKING: EH context\&.
.SH "RETURN"
.PP
0 if
\fIlink\fR
is ready before
\fIdeadline\fR; otherwise, \-errno\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br