net: stmmac: Uniformize set_rx_owner()

Currently an if condition is used to select the correct callback to set
rx_onwer in descriptor. Lets keep this simple and always use the same
callback.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Vitor Soares <soares@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c

@@ -189,9 +189,12 @@ static void dwmac4_set_tx_owner(struct dma_desc *p)
 	p->des3 |= cpu_to_le32(TDES3_OWN);
 }
 
-static void dwmac4_set_rx_owner(struct dma_desc *p)
+static void dwmac4_set_rx_owner(struct dma_desc *p, int disable_rx_ic)
 {
-	p->des3 |= cpu_to_le32(RDES3_OWN);
+	p->des3 = cpu_to_le32(RDES3_OWN | RDES3_BUFFER1_VALID_ADDR);
+
+	if (!disable_rx_ic)
+		p->des3 |= cpu_to_le32(RDES3_INT_ON_COMPLETION_EN);
 }
 
 static int dwmac4_get_tx_ls(struct dma_desc *p)
@@ -292,10 +295,7 @@ exit:
 static void dwmac4_rd_init_rx_desc(struct dma_desc *p, int disable_rx_ic,
 				   int mode, int end)
 {
-	p->des3 = cpu_to_le32(RDES3_OWN | RDES3_BUFFER1_VALID_ADDR);
-
-	if (!disable_rx_ic)
-		p->des3 |= cpu_to_le32(RDES3_INT_ON_COMPLETION_EN);
+	dwmac4_set_rx_owner(p, disable_rx_ic);
 }
 
 static void dwmac4_rd_init_tx_desc(struct dma_desc *p, int mode, int end)

drivers/net/ethernet/stmicro/stmmac/enh_desc.c

@@ -292,7 +292,7 @@ static void enh_desc_set_tx_owner(struct dma_desc *p)
 	p->des0 |= cpu_to_le32(ETDES0_OWN);
 }
 
-static void enh_desc_set_rx_owner(struct dma_desc *p)
+static void enh_desc_set_rx_owner(struct dma_desc *p, int disable_rx_ic)
 {
 	p->des0 |= cpu_to_le32(RDES0_OWN);
 }

drivers/net/ethernet/stmicro/stmmac/hwif.h

@@ -59,7 +59,7 @@ struct stmmac_desc_ops {
 	/* Get the buffer size from the descriptor */
 	int (*get_tx_len)(struct dma_desc *p);
 	/* Handle extra events on specific interrupts hw dependent */
-	void (*set_rx_owner)(struct dma_desc *p);
+	void (*set_rx_owner)(struct dma_desc *p, int disable_rx_ic);
 	/* Get the receive frame size */
 	int (*get_rx_frame_len)(struct dma_desc *p, int rx_coe_type);
 	/* Return the reception status looking at the RDES1 */

drivers/net/ethernet/stmicro/stmmac/norm_desc.c

@@ -168,7 +168,7 @@ static void ndesc_set_tx_owner(struct dma_desc *p)
 	p->des0 |= cpu_to_le32(TDES0_OWN);
 }
 
-static void ndesc_set_rx_owner(struct dma_desc *p)
+static void ndesc_set_rx_owner(struct dma_desc *p, int disable_rx_ic)
 {
 	p->des0 |= cpu_to_le32(RDES0_OWN);
 }

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -3262,10 +3262,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
 		}
 		dma_wmb();
 
-		if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00))
-			stmmac_init_rx_desc(priv, p, priv->use_riwt, 0, 0);
-		else
-			stmmac_set_rx_owner(priv, p);
+		stmmac_set_rx_owner(priv, p, priv->use_riwt);
 
 		dma_wmb();