diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/ctcm_main.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 54c4649a493..222e4739443 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) @@ -1688,6 +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, @@ -1697,6 +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, }; |