1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index a11421274f79..b26c634f210b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -103,6 +103,46 @@ void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
 }
 
 /*
+ * Ring initialization
+ */
+static void rt2x00lib_init_rxrings(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_ring *ring = rt2x00dev->rx;
+        unsigned int i;
+
+        if (!rt2x00dev->ops->lib->init_rxentry)
+                return;
+
+        if (ring->data_addr)
+                memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
+
+        for (i = 0; i < ring->stats.limit; i++)
+                rt2x00dev->ops->lib->init_rxentry(rt2x00dev, &ring->entry[i]);
+
+        rt2x00_ring_index_clear(ring);
+}
+
+static void rt2x00lib_init_txrings(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_ring *ring;
+        unsigned int i;
+
+        if (!rt2x00dev->ops->lib->init_txentry)
+                return;
+
+        txringall_for_each(rt2x00dev, ring) {
+                if (ring->data_addr)
+                        memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
+
+                for (i = 0; i < ring->stats.limit; i++)
+                        rt2x00dev->ops->lib->init_txentry(rt2x00dev,
+                                                          &ring->entry[i]);
+
+                rt2x00_ring_index_clear(ring);
+        }
+}
+
+/*
  * Radio control handlers.
  */
 int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
@@ -118,6 +158,12 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
                 return 0;
 
         /*
+         * Initialize all data rings.
+         */
+        rt2x00lib_init_rxrings(rt2x00dev);
+        rt2x00lib_init_txrings(rt2x00dev);
+
+        /*
          * Enable radio.
          */
         status = rt2x00dev->ops->lib->set_device_state(rt2x00dev,