net: sxgbe: Added set function for interrupt on complete

This patch adds set_rx_int_on_com function for interrupt when
dma is completed.

Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.c
index d71691be4136..2686bb5b6765 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.c
@@ -233,6 +233,12 @@ static void sxgbe_set_rx_owner(struct sxgbe_rx_norm_desc *p)
         p->rdes23.rx_rd_des23.own_bit = 1;
 }
 
+/* Set Interrupt on completion bit */
+static void sxgbe_set_rx_int_on_com(struct sxgbe_rx_norm_desc *p)
+{
+        p->rdes23.rx_rd_des23.int_on_com = 1;
+}
+
 /* Get the receive frame size */
 static int sxgbe_get_rx_frame_len(struct sxgbe_rx_norm_desc *p)
 {
@@ -498,6 +504,7 @@ static const struct sxgbe_desc_ops desc_ops = {
         .init_rx_desc                   = sxgbe_init_rx_desc,
         .get_rx_owner                   = sxgbe_get_rx_owner,
         .set_rx_owner                   = sxgbe_set_rx_owner,
+        .set_rx_int_on_com              = sxgbe_set_rx_int_on_com,
         .get_rx_frame_len               = sxgbe_get_rx_frame_len,
         .get_rx_fd_status               = sxgbe_get_rx_fd_status,
         .get_rx_ld_status               = sxgbe_get_rx_ld_status,
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.h b/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.h
index 022630098aea..18609324db72 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.h
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_desc.h
@@ -258,6 +258,9 @@ struct sxgbe_desc_ops {
         /* Set own bit */
         void (*set_rx_owner)(struct sxgbe_rx_norm_desc *p);
 
+        /* Set Interrupt on completion bit */
+        void (*set_rx_int_on_com)(struct sxgbe_rx_norm_desc *p);
+
         /* Get the receive frame size */
         int (*get_rx_frame_len)(struct sxgbe_rx_norm_desc *p);
 
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index fd5c428411eb..82a9a983869f 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -1456,6 +1456,7 @@ static void sxgbe_rx_refill(struct sxgbe_priv_data *priv)
                 /* Added memory barrier for RX descriptor modification */
                 wmb();
                 priv->hw->desc->set_rx_owner(p);
+                priv->hw->desc->set_rx_int_on_com(p);
                 /* Added memory barrier for RX descriptor modification */
                 wmb();
         }