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ibmveth: Add suspend/resume support

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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>
This commit is contained in:
Brian King 2010-05-07 08:56:08 +00:00 committed by David S. Miller
parent 0771275b25
commit e7a3af5d8c
1 changed files with 12 additions and 0 deletions
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12
drivers/net/ibmveth.c
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@ -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,
}
};