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authorIngo Molnar2009-08-23 11:18:47 +0200
committerIngo Molnar2009-08-23 11:18:47 +0200
commit8a517c514d5893602cf85c1b4c47afbbc04d2198 (patch)
treee7c40f68ef97bb2bdb4c366c0b45437bc049feb1 /drivers/s390/net/ctcm_main.c
parentx86, cpu: cpu/proc.c display cache alignment and address sizes for 32 bit (diff)
parentLinux 2.6.31-rc7 (diff)
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Merge commit 'v2.6.31-rc7' into x86/cpu
Diffstat (limited to 'drivers/s390/net/ctcm_main.c')
-rw-r--r--drivers/s390/net/ctcm_main.c43
1 files changed, 38 insertions, 5 deletions
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 77f4033a0f4f..222e47394437 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/net/ctcm_main.c
*
- * Copyright IBM Corp. 2001, 2007
+ * Copyright IBM Corp. 2001, 2009
* Author(s):
* Original CTC driver(s):
* Fritz Elfert (felfert@millenux.com)
@@ -1677,10 +1677,8 @@ static void ctcm_remove_device(struct ccwgroup_device *cgdev)
BUG_ON(priv == NULL);
CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO,
- "removing device %s, r/w = %s/%s, proto : %d",
- priv->channel[READ]->netdev->name,
- priv->channel[READ]->id, priv->channel[WRITE]->id,
- priv->protocol);
+ "removing device %p, proto : %d",
+ cgdev, priv->protocol);
if (cgdev->state == CCWGROUP_ONLINE)
ctcm_shutdown_device(cgdev);
@@ -1690,6 +1688,38 @@ static void ctcm_remove_device(struct ccwgroup_device *cgdev)
put_device(&cgdev->dev);
}
+static int ctcm_pm_suspend(struct ccwgroup_device *gdev)
+{
+ struct ctcm_priv *priv = dev_get_drvdata(&gdev->dev);
+
+ if (gdev->state == CCWGROUP_OFFLINE)
+ return 0;
+ netif_device_detach(priv->channel[READ]->netdev);
+ ctcm_close(priv->channel[READ]->netdev);
+ ccw_device_set_offline(gdev->cdev[1]);
+ ccw_device_set_offline(gdev->cdev[0]);
+ return 0;
+}
+
+static int ctcm_pm_resume(struct ccwgroup_device *gdev)
+{
+ struct ctcm_priv *priv = dev_get_drvdata(&gdev->dev);
+ int rc;
+
+ if (gdev->state == CCWGROUP_OFFLINE)
+ return 0;
+ rc = ccw_device_set_online(gdev->cdev[1]);
+ if (rc)
+ goto err_out;
+ rc = ccw_device_set_online(gdev->cdev[0]);
+ if (rc)
+ goto err_out;
+ ctcm_open(priv->channel[READ]->netdev);
+err_out:
+ netif_device_attach(priv->channel[READ]->netdev);
+ return rc;
+}
+
static struct ccwgroup_driver ctcm_group_driver = {
.owner = THIS_MODULE,
.name = CTC_DRIVER_NAME,
@@ -1699,6 +1729,9 @@ static struct ccwgroup_driver ctcm_group_driver = {
.remove = ctcm_remove_device,
.set_online = ctcm_new_device,
.set_offline = ctcm_shutdown_device,
+ .freeze = ctcm_pm_suspend,
+ .thaw = ctcm_pm_resume,
+ .restore = ctcm_pm_resume,
};