From 9ee4f3933930abf5cc34f8e9d69fe0e08c18f602 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Mon, 5 Dec 2011 09:20:28 +0800
Subject: ata: add ata port runtime PM callbacks

Add ata port runtime suspend/resume/idle callbacks.
Set ->eh_noresume to skip the runtime PM calls on scsi host
in the error handler to avoid dead lock.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-transport.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'drivers/ata/libata-transport.c')

diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 3ceb3d94be26..9a7f0ea565df 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -32,6 +32,7 @@
 #include <linux/libata.h>
 #include <linux/hdreg.h>
 #include <linux/uaccess.h>
+#include <linux/pm_runtime.h>
 
 #include "libata.h"
 #include "libata-transport.h"
@@ -290,6 +291,9 @@ int ata_tport_add(struct device *parent,
 		goto tport_err;
 	}
 
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
 	transport_add_device(dev);
 	transport_configure_device(dev);
 
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