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-rw-r--r--drivers/net/usb/r8152.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2fb637a..ef9aab6 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -25,12 +25,13 @@
#include <uapi/linux/mdio.h>
#include <linux/mdio.h>
#include <linux/usb/cdc.h>
+#include <linux/suspend.h>
/* Information for net-next */
#define NETNEXT_VERSION "08"
/* Information for net */
-#define NET_VERSION "2"
+#define NET_VERSION "3"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -604,6 +605,9 @@ struct r8152 {
struct delayed_work schedule;
struct mii_if_info mii;
struct mutex control; /* use for hw setting */
+#ifdef CONFIG_PM_SLEEP
+ struct notifier_block pm_notifier;
+#endif
struct rtl_ops {
void (*init)(struct r8152 *);
@@ -3048,6 +3052,33 @@ out1:
usb_autopm_put_interface(tp->intf);
}
+#ifdef CONFIG_PM_SLEEP
+static int rtl_notifier(struct notifier_block *nb, unsigned long action,
+ void *data)
+{
+ struct r8152 *tp = container_of(nb, struct r8152, pm_notifier);
+
+ switch (action) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ usb_autopm_get_interface(tp->intf);
+ break;
+
+ case PM_POST_HIBERNATION:
+ case PM_POST_SUSPEND:
+ usb_autopm_put_interface(tp->intf);
+ break;
+
+ case PM_POST_RESTORE:
+ case PM_RESTORE_PREPARE:
+ default:
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+#endif
+
static int rtl8152_open(struct net_device *netdev)
{
struct r8152 *tp = netdev_priv(netdev);
@@ -3090,6 +3121,10 @@ static int rtl8152_open(struct net_device *netdev)
mutex_unlock(&tp->control);
usb_autopm_put_interface(tp->intf);
+#ifdef CONFIG_PM_SLEEP
+ tp->pm_notifier.notifier_call = rtl_notifier;
+ register_pm_notifier(&tp->pm_notifier);
+#endif
out:
return res;
@@ -3100,6 +3135,9 @@ static int rtl8152_close(struct net_device *netdev)
struct r8152 *tp = netdev_priv(netdev);
int res = 0;
+#ifdef CONFIG_PM_SLEEP
+ unregister_pm_notifier(&tp->pm_notifier);
+#endif
napi_disable(&tp->napi);
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
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