'\" t
.\"     Title: sas_port_add_phy
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: March 2017
.\"    Manual: SCSI mid layer
.\"    Source: Kernel Hackers Manual 4.10.7
.\"  Language: English
.\"
.TH "SAS_PORT_ADD_PHY" "9" "March 2017" "Kernel Hackers Manual 4\&.10\&" "SCSI mid layer"
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.SH "NAME"
sas_port_add_phy \- add another phy to a port to form a wide port
.SH "SYNOPSIS"
.HP \w'void\ sas_port_add_phy('u
.BI "void sas_port_add_phy(struct\ sas_port\ *\ " "port" ", struct\ sas_phy\ *\ " "phy" ");"
.SH "ARGUMENTS"
.PP
\fIport\fR
.RS 4
port to add the phy to
.RE
.PP
\fIphy\fR
.RS 4
phy to add
.RE
.SH "DESCRIPTION"
.PP
When a port is initially created, it is empty (has no phys)\&. All ports must have at least one phy to operated, and all wide ports must have at least two\&. The current code makes no difference between ports and wide ports, but the only object that can be connected to a remote device is a port, so ports must be formed on all devices with phys if they\*(Aqre connected to anything\&.
.SH "AUTHORS"
.PP
\fBJames Bottomley\fR <\&James.Bottomley@hansenpartnership.com\&>
.RS 4
Author.
.RE
.PP
\fBRob Landley\fR <\&rob@landley.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br