6 files changed, 52 insertions, 29 deletions

diff --git a/drivers/net/ethernet/xilinx/Kconfig b/drivers/net/ethernet/xilinx/Kconfig
index c6eb7f2368aa..911b5ef9e680 100644
--- a/drivers/net/ethernet/xilinx/Kconfig
+++ b/drivers/net/ethernet/xilinx/Kconfig
@@ -18,12 +18,14 @@ if NET_VENDOR_XILINX
 
 config XILINX_EMACLITE
 	tristate "Xilinx 10/100 Ethernet Lite support"
+	depends on HAS_IOMEM
 	select PHYLIB
 	help
 	  This driver supports the 10/100 Ethernet Lite from Xilinx.
 
 config XILINX_AXI_EMAC
 	tristate "Xilinx 10/100/1000 AXI Ethernet support"
+	depends on HAS_IOMEM
 	select PHYLINK
 	help
 	  This driver supports the 10/100/1000 Ethernet from Xilinx for the
@@ -31,6 +33,7 @@ config XILINX_AXI_EMAC
 
 config XILINX_LL_TEMAC
 	tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver"
+	depends on HAS_IOMEM
 	select PHYLIB
 	help
 	  This driver supports the Xilinx 10/100/1000 LocalLink TEMAC
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 030185301014..a1f5f07f4ca9 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -438,7 +438,7 @@ static void temac_do_set_mac_address(struct net_device *ndev)
 
 static int temac_init_mac_address(struct net_device *ndev, const void *address)
 {
-	ether_addr_copy(ndev->dev_addr, address);
+	memcpy(ndev->dev_addr, address, ETH_ALEN);
 	if (!is_valid_ether_addr(ndev->dev_addr))
 		eth_hw_addr_random(ndev);
 	temac_do_set_mac_address(ndev);
@@ -1351,7 +1351,7 @@ static int temac_probe(struct platform_device *pdev)
 	struct device_node *temac_np = dev_of_node(&pdev->dev), *dma_np;
 	struct temac_local *lp;
 	struct net_device *ndev;
-	const void *addr;
+	u8 addr[ETH_ALEN];
 	__be32 *p;
 	bool little_endian;
 	int rc = 0;
@@ -1542,8 +1542,8 @@ static int temac_probe(struct platform_device *pdev)
 
 	if (temac_np) {
 		/* Retrieve the MAC address */
-		addr = of_get_mac_address(temac_np);
-		if (IS_ERR(addr)) {
+		rc = of_get_mac_address(temac_np, addr);
+		if (rc) {
 			dev_err(&pdev->dev, "could not find MAC address\n");
 			return -ENODEV;
 		}
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index aca7f82f6791..5b4d153b1492 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -376,6 +376,8 @@ struct axidma_bd {
 	struct sk_buff *skb;
 } __aligned(XAXIDMA_BD_MINIMUM_ALIGNMENT);
 
+#define XAE_NUM_MISC_CLOCKS 3
+
 /**
  * struct axienet_local - axienet private per device data
  * @ndev:	Pointer for net_device to which it will be attached.
@@ -385,7 +387,8 @@ struct axidma_bd {
  * @phylink_config: phylink configuration settings
  * @pcs_phy:	Reference to PCS/PMA PHY if used
  * @switch_x_sgmii: Whether switchable 1000BaseX/SGMII mode is enabled in the core
- * @clk:	Clock for AXI bus
+ * @axi_clk:	AXI4-Lite bus clock
+ * @misc_clks:	Misc ethernet clocks (AXI4-Stream, Ref, MGT clocks)
  * @mii_bus:	Pointer to MII bus structure
  * @mii_clk_div: MII bus clock divider value
  * @regs_start: Resource start for axienet device addresses
@@ -434,7 +437,8 @@ struct axienet_local {
 
 	bool switch_x_sgmii;
 
-	struct clk *clk;
+	struct clk *axi_clk;
+	struct clk_bulk_data misc_clks[XAE_NUM_MISC_CLOCKS];
 
 	struct mii_bus *mii_bus;
 	u8 mii_clk_div;
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index f8f8654ea728..b508c9453f40 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1835,8 +1835,8 @@ static int axienet_probe(struct platform_device *pdev)
 	struct device_node *np;
 	struct axienet_local *lp;
 	struct net_device *ndev;
-	const void *mac_addr;
 	struct resource *ethres;
+	u8 mac_addr[ETH_ALEN];
 	int addr_width = 32;
 	u32 value;
 
@@ -1863,22 +1863,39 @@ static int axienet_probe(struct platform_device *pdev)
 	lp->rx_bd_num = RX_BD_NUM_DEFAULT;
 	lp->tx_bd_num = TX_BD_NUM_DEFAULT;
 
-	lp->clk = devm_clk_get_optional(&pdev->dev, NULL);
-	if (IS_ERR(lp->clk)) {
-		ret = PTR_ERR(lp->clk);
+	lp->axi_clk = devm_clk_get_optional(&pdev->dev, "s_axi_lite_clk");
+	if (!lp->axi_clk) {
+		/* For backward compatibility, if named AXI clock is not present,
+		 * treat the first clock specified as the AXI clock.
+		 */
+		lp->axi_clk = devm_clk_get_optional(&pdev->dev, NULL);
+	}
+	if (IS_ERR(lp->axi_clk)) {
+		ret = PTR_ERR(lp->axi_clk);
 		goto free_netdev;
 	}
-	ret = clk_prepare_enable(lp->clk);
+	ret = clk_prepare_enable(lp->axi_clk);
 	if (ret) {
-		dev_err(&pdev->dev, "Unable to enable clock: %d\n", ret);
+		dev_err(&pdev->dev, "Unable to enable AXI clock: %d\n", ret);
 		goto free_netdev;
 	}
 
+	lp->misc_clks[0].id = "axis_clk";
+	lp->misc_clks[1].id = "ref_clk";
+	lp->misc_clks[2].id = "mgt_clk";
+
+	ret = devm_clk_bulk_get_optional(&pdev->dev, XAE_NUM_MISC_CLOCKS, lp->misc_clks);
+	if (ret)
+		goto cleanup_clk;
+
+	ret = clk_bulk_prepare_enable(XAE_NUM_MISC_CLOCKS, lp->misc_clks);
+	if (ret)
+		goto cleanup_clk;
+
 	/* Map device registers */
 	ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	lp->regs = devm_ioremap_resource(&pdev->dev, ethres);
 	if (IS_ERR(lp->regs)) {
-		dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n");
 		ret = PTR_ERR(lp->regs);
 		goto cleanup_clk;
 	}
@@ -2045,13 +2062,14 @@ static int axienet_probe(struct platform_device *pdev)
 		dev_info(&pdev->dev, "Ethernet core IRQ not defined\n");
 
 	/* Retrieve the MAC address */
-	mac_addr = of_get_mac_address(pdev->dev.of_node);
-	if (IS_ERR(mac_addr)) {
-		dev_warn(&pdev->dev, "could not find MAC address property: %ld\n",
-			 PTR_ERR(mac_addr));
-		mac_addr = NULL;
+	ret = of_get_mac_address(pdev->dev.of_node, mac_addr);
+	if (!ret) {
+		axienet_set_mac_address(ndev, mac_addr);
+	} else {
+		dev_warn(&pdev->dev, "could not find MAC address property: %d\n",
+			 ret);
+		axienet_set_mac_address(ndev, NULL);
 	}
-	axienet_set_mac_address(ndev, mac_addr);
 
 	lp->coalesce_count_rx = XAXIDMA_DFT_RX_THRESHOLD;
 	lp->coalesce_count_tx = XAXIDMA_DFT_TX_THRESHOLD;
@@ -2109,7 +2127,8 @@ cleanup_mdio:
 	of_node_put(lp->phy_node);
 
 cleanup_clk:
-	clk_disable_unprepare(lp->clk);
+	clk_bulk_disable_unprepare(XAE_NUM_MISC_CLOCKS, lp->misc_clks);
+	clk_disable_unprepare(lp->axi_clk);
 
 free_netdev:
 	free_netdev(ndev);
@@ -2132,7 +2151,8 @@ static int axienet_remove(struct platform_device *pdev)
 
 	axienet_mdio_teardown(lp);
 
-	clk_disable_unprepare(lp->clk);
+	clk_bulk_disable_unprepare(XAE_NUM_MISC_CLOCKS, lp->misc_clks);
+	clk_disable_unprepare(lp->axi_clk);
 
 	of_node_put(lp->phy_node);
 	lp->phy_node = NULL;
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 9c014cee34b2..48f544f6c999 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -159,8 +159,8 @@ int axienet_mdio_enable(struct axienet_local *lp)
 
 	lp->mii_clk_div = 0;
 
-	if (lp->clk) {
-		host_clock = clk_get_rate(lp->clk);
+	if (lp->axi_clk) {
+		host_clock = clk_get_rate(lp->axi_clk);
 	} else {
 		struct device_node *np1;
 
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 007840d4a807..d9d58a7dabee 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1115,7 +1115,6 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
 	struct net_device *ndev = NULL;
 	struct net_local *lp = NULL;
 	struct device *dev = &ofdev->dev;
-	const void *mac_address;
 
 	int rc = 0;
 
@@ -1157,12 +1156,9 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
 	lp->next_rx_buf_to_use = 0x0;
 	lp->tx_ping_pong = get_bool(ofdev, "xlnx,tx-ping-pong");
 	lp->rx_ping_pong = get_bool(ofdev, "xlnx,rx-ping-pong");
-	mac_address = of_get_mac_address(ofdev->dev.of_node);
 
-	if (!IS_ERR(mac_address)) {
-		/* Set the MAC address. */
-		ether_addr_copy(ndev->dev_addr, mac_address);
-	} else {
+	rc = of_get_mac_address(ofdev->dev.of_node, ndev->dev_addr);
+	if (rc) {
 		dev_warn(dev, "No MAC address found, using random\n");
 		eth_hw_addr_random(ndev);
 	}