1 files changed, 28 insertions, 6 deletions

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index f3b48ad90865..ad42295356dd 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -32,7 +32,7 @@
 #define NETNEXT_VERSION         "08"
 
 /* Information for net */
-#define NET_VERSION             "6"
+#define NET_VERSION             "8"
 
 #define DRIVER_VERSION          "v1." NETNEXT_VERSION "." NET_VERSION
 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -1936,6 +1936,9 @@ static int r8152_poll(struct napi_struct *napi, int budget)
                 napi_complete(napi);
                 if (!list_empty(&tp->rx_done))
                         napi_schedule(napi);
+                else if (!skb_queue_empty(&tp->tx_queue) &&
+                         !list_empty(&tp->tx_free))
+                        napi_schedule(napi);
         }
 
         return work_done;
@@ -3155,10 +3158,13 @@ static void set_carrier(struct r8152 *tp)
                 if (!netif_carrier_ok(netdev)) {
                         tp->rtl_ops.enable(tp);
                         set_bit(RTL8152_SET_RX_MODE, &tp->flags);
+                        netif_stop_queue(netdev);
                         napi_disable(&tp->napi);
                         netif_carrier_on(netdev);
                         rtl_start_rx(tp);
                         napi_enable(&tp->napi);
+                        netif_wake_queue(netdev);
+                        netif_info(tp, link, netdev, "carrier on\n");
                 }
         } else {
                 if (netif_carrier_ok(netdev)) {
@@ -3166,6 +3172,7 @@ static void set_carrier(struct r8152 *tp)
                         napi_disable(&tp->napi);
                         tp->rtl_ops.disable(tp);
                         napi_enable(&tp->napi);
+                        netif_info(tp, link, netdev, "carrier off\n");
                 }
         }
 }
@@ -3515,12 +3522,12 @@ static int rtl8152_pre_reset(struct usb_interface *intf)
         if (!netif_running(netdev))
                 return 0;
 
+        netif_stop_queue(netdev);
         napi_disable(&tp->napi);
         clear_bit(WORK_ENABLE, &tp->flags);
         usb_kill_urb(tp->intr_urb);
         cancel_delayed_work_sync(&tp->schedule);
         if (netif_carrier_ok(netdev)) {
-                netif_stop_queue(netdev);
                 mutex_lock(&tp->control);
                 tp->rtl_ops.disable(tp);
                 mutex_unlock(&tp->control);
@@ -3545,12 +3552,17 @@ static int rtl8152_post_reset(struct usb_interface *intf)
         if (netif_carrier_ok(netdev)) {
                 mutex_lock(&tp->control);
                 tp->rtl_ops.enable(tp);
+                rtl_start_rx(tp);
                 rtl8152_set_rx_mode(netdev);
                 mutex_unlock(&tp->control);
-                netif_wake_queue(netdev);
         }
 
         napi_enable(&tp->napi);
+        netif_wake_queue(netdev);
+        usb_submit_urb(tp->intr_urb, GFP_KERNEL);
+
+        if (!list_empty(&tp->rx_done))
+                napi_schedule(&tp->napi);
 
         return 0;
 }
@@ -3572,6 +3584,8 @@ static bool delay_autosuspend(struct r8152 *tp)
          */
         if (!sw_linking && tp->rtl_ops.in_nway(tp))
                 return true;
+        else if (!skb_queue_empty(&tp->tx_queue))
+                return true;
         else
                 return false;
 }
@@ -3581,10 +3595,15 @@ static int rtl8152_rumtime_suspend(struct r8152 *tp)
         struct net_device *netdev = tp->netdev;
         int ret = 0;
 
+        set_bit(SELECTIVE_SUSPEND, &tp->flags);
+        smp_mb__after_atomic();
+
         if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
                 u32 rcr = 0;
 
                 if (delay_autosuspend(tp)) {
+                        clear_bit(SELECTIVE_SUSPEND, &tp->flags);
+                        smp_mb__after_atomic();
                         ret = -EBUSY;
                         goto out1;
                 }
@@ -3601,6 +3620,8 @@ static int rtl8152_rumtime_suspend(struct r8152 *tp)
                         if (!(ocp_data & RXFIFO_EMPTY)) {
                                 rxdy_gated_en(tp, false);
                                 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
+                                clear_bit(SELECTIVE_SUSPEND, &tp->flags);
+                                smp_mb__after_atomic();
                                 ret = -EBUSY;
                                 goto out1;
                         }
@@ -3620,8 +3641,6 @@ static int rtl8152_rumtime_suspend(struct r8152 *tp)
                 }
         }
 
-        set_bit(SELECTIVE_SUSPEND, &tp->flags);
-
 out1:
         return ret;
 }
@@ -3677,12 +3696,15 @@ static int rtl8152_resume(struct usb_interface *intf)
         if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) {
                 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
                         tp->rtl_ops.autosuspend_en(tp, false);
-                        clear_bit(SELECTIVE_SUSPEND, &tp->flags);
                         napi_disable(&tp->napi);
                         set_bit(WORK_ENABLE, &tp->flags);
                         if (netif_carrier_ok(tp->netdev))
                                 rtl_start_rx(tp);
                         napi_enable(&tp->napi);
+                        clear_bit(SELECTIVE_SUSPEND, &tp->flags);
+                        smp_mb__after_atomic();
+                        if (!list_empty(&tp->rx_done))
+                                napi_schedule(&tp->napi);
                 } else {
                         tp->rtl_ops.up(tp);
                         netif_carrier_off(tp->netdev);