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authorBrian King <brking@linux.vnet.ibm.com>2010-05-07 08:56:08 +0000
committerDavid S. Miller <davem@davemloft.net>2010-05-17 17:09:10 -0700
commite7a3af5d8cd782b84e6ca4e4dcc8613be1a809f0 (patch)
treed723555192dbdb3aa6d8e2c750729fb9dcf1567e /drivers/net
parent0771275b25e84f568699a5d209c5e339ef83fa94 (diff)
ibmveth: Add suspend/resume support
Adds support for resuming from suspend for IBM virtual ethernet devices. We may have lost an interrupt over the suspend, so we just kick the interrupt handler to process anything that is outstanding. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ibmveth.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 3e4dead5a2f..941be84deb6 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -45,6 +45,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/mm.h>
+#include <linux/pm.h>
#include <linux/ethtool.h>
#include <linux/proc_fs.h>
#include <linux/in.h>
@@ -1588,6 +1589,12 @@ static struct kobj_type ktype_veth_pool = {
.default_attrs = veth_pool_attrs,
};
+static int ibmveth_resume(struct device *dev)
+{
+ struct net_device *netdev = dev_get_drvdata(dev);
+ ibmveth_interrupt(netdev->irq, netdev);
+ return 0;
+}
static struct vio_device_id ibmveth_device_table[] __devinitdata= {
{ "network", "IBM,l-lan"},
@@ -1595,6 +1602,10 @@ static struct vio_device_id ibmveth_device_table[] __devinitdata= {
};
MODULE_DEVICE_TABLE(vio, ibmveth_device_table);
+static struct dev_pm_ops ibmveth_pm_ops = {
+ .resume = ibmveth_resume
+};
+
static struct vio_driver ibmveth_driver = {
.id_table = ibmveth_device_table,
.probe = ibmveth_probe,
@@ -1603,6 +1614,7 @@ static struct vio_driver ibmveth_driver = {
.driver = {
.name = ibmveth_driver_name,
.owner = THIS_MODULE,
+ .pm = &ibmveth_pm_ops,
}
};