3 files changed, 25 insertions, 2 deletions

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 39f03ce5a5b1..e00b8060aff7 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -591,6 +591,12 @@ int mwifiex_init_fw(struct mwifiex_adapter *adapter)
                                 return -1;
                 }
         }
+
+        if (adapter->if_ops.init_fw_port) {
+                if (adapter->if_ops.init_fw_port(adapter))
+                        return -1;
+        }
+
         for (i = 0; i < adapter->priv_num; i++) {
                 if (adapter->priv[i]) {
                         ret = mwifiex_sta_init_cmd(adapter->priv[i], first_sta);
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index d717c9859fb9..ef02a5bf57b1 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -599,6 +599,7 @@ struct mwifiex_if_ops {
         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
         int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
+        int (*init_fw_port) (struct mwifiex_adapter *);
         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
         void (*card_reset) (struct mwifiex_adapter *);
 };
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index e4c2cfdd049c..191c6825a6b6 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -966,8 +966,23 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
         return 0;
 }
 
-/*
- * This function downloads commands to the device
+/* This function init rx port in firmware which in turn enables to receive data
+ * from device before transmitting any packet.
+ */
+static int mwifiex_pcie_init_fw_port(struct mwifiex_adapter *adapter)
+{
+        struct pcie_service_card *card = adapter->card;
+
+        /* Write the RX ring read pointer in to REG_RXBD_RDPTR */
+        if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR, card->rxbd_rdptr | 0)) {
+                dev_err(adapter->dev,
+                        "RECV DATA: failed to write REG_RXBD_RDPTR\n");
+                return -1;
+        }
+        return 0;
+}
+
+/* This function downloads commands to the device
  */
 static int
 mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
@@ -1899,6 +1914,7 @@ static struct mwifiex_if_ops pcie_ops = {
         .event_complete =               mwifiex_pcie_event_complete,
         .update_mp_end_port =           NULL,
         .cleanup_mpa_buf =              NULL,
+        .init_fw_port =                 mwifiex_pcie_init_fw_port,
 };
 
 /*