'\" t
.\"     Title: hsi_register_port_event
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: High Speed Synchronous Serial Interface (HSI)
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "HSI_REGISTER_PORT_EV" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "High Speed Synchronous Serial"
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.SH "NAME"
hsi_register_port_event \- Register a client to receive port events
.SH "SYNOPSIS"
.HP \w'int\ hsi_register_port_event('u
.BI "int hsi_register_port_event(struct\ hsi_client\ *\ " "cl" ", void\ (*" "handler" ")\ (struct\ hsi_client\ *,\ unsigned\ long));"
.SH "ARGUMENTS"
.PP
\fIcl\fR
.RS 4
HSI client that wants to receive port events
.RE
.PP
\fIhandler\fR
.RS 4
Event handler callback
.RE
.SH "DESCRIPTION"
.PP
Clients should register a callback to be able to receive events from the ports\&. Registration should happen after claiming the port\&. The handler can be called in interrupt context\&.
.PP
Returns \-errno on error, or 0 on success\&.
.SH "COPYRIGHT"
.br