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path: root/drivers/usb/net/zd1201.c
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Diffstat (limited to 'drivers/usb/net/zd1201.c')
-rw-r--r--drivers/usb/net/zd1201.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/usb/net/zd1201.c b/drivers/usb/net/zd1201.c
index 341ae5f732dd..3b387b005739 100644
--- a/drivers/usb/net/zd1201.c
+++ b/drivers/usb/net/zd1201.c
@@ -1884,12 +1884,53 @@ static void zd1201_disconnect(struct usb_interface *interface)
kfree(zd);
}
+#ifdef CONFIG_PM
+
+static int zd1201_suspend(struct usb_interface *interface,
+ pm_message_t message)
+{
+ struct zd1201 *zd = usb_get_intfdata(interface);
+
+ netif_device_detach(zd->dev);
+
+ zd->was_enabled = zd->mac_enabled;
+
+ if (zd->was_enabled)
+ return zd1201_disable(zd);
+ else
+ return 0;
+}
+
+static int zd1201_resume(struct usb_interface *interface)
+{
+ struct zd1201 *zd = usb_get_intfdata(interface);
+
+ if (!zd || !zd->dev)
+ return -ENODEV;
+
+ netif_device_attach(zd->dev);
+
+ if (zd->was_enabled)
+ return zd1201_enable(zd);
+ else
+ return 0;
+}
+
+#else
+
+#define zd1201_suspend NULL
+#define zd1201_resume NULL
+
+#endif
+
static struct usb_driver zd1201_usb = {
.owner = THIS_MODULE,
.name = "zd1201",
.probe = zd1201_probe,
.disconnect = zd1201_disconnect,
.id_table = zd1201_table,
+ .suspend = zd1201_suspend,
+ .resume = zd1201_resume,
};
static int __init zd1201_init(void)