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>

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,

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);
 

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();
 	}