From 3ba8c81e15c11fc396d0b5d11adaf9db6ed39533 Mon Sep 17 00:00:00 2001 From: Antoine Tenart Date: Sat, 2 Sep 2017 11:06:47 +0200 Subject: [PATCH] net: mvpp2: move the mac retrieval/copy logic into its own function The MAC retrieval has a quite complicated logic (which is broken). Moves it to its own function to prepare for patches fixing its logic, so that reviews are easier. Signed-off-by: Antoine Tenart Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvpp2.c | 45 +++++++++++++++++----------- 1 file changed, 27 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index d5624894152e..a702e60ba70d 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -7465,6 +7465,31 @@ static bool mvpp2_port_has_tx_irqs(struct mvpp2 *priv, return true; } +static void mvpp2_port_copy_mac_addr(struct net_device *dev, struct mvpp2 *priv, + struct device_node *port_node, + char **mac_from) +{ + struct mvpp2_port *port = netdev_priv(dev); + char hw_mac_addr[ETH_ALEN] = {0}; + const char *dt_mac_addr; + + dt_mac_addr = of_get_mac_address(port_node); + if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) { + *mac_from = "device tree"; + ether_addr_copy(dev->dev_addr, dt_mac_addr); + } else { + if (priv->hw_version == MVPP21) + mvpp21_get_mac_address(port, hw_mac_addr); + if (is_valid_ether_addr(hw_mac_addr)) { + *mac_from = "hardware"; + ether_addr_copy(dev->dev_addr, hw_mac_addr); + } else { + *mac_from = "random"; + eth_hw_addr_random(dev); + } + } +} + /* Ports initialization */ static int mvpp2_port_probe(struct platform_device *pdev, struct device_node *port_node, @@ -7476,9 +7501,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, struct mvpp2_port_pcpu *port_pcpu; struct net_device *dev; struct resource *res; - const char *dt_mac_addr; - const char *mac_from; - char hw_mac_addr[ETH_ALEN] = {0}; + char *mac_from = ""; unsigned int ntxqs, nrxqs; bool has_tx_irqs; u32 id; @@ -7587,21 +7610,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, goto err_free_irq; } - dt_mac_addr = of_get_mac_address(port_node); - if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) { - mac_from = "device tree"; - ether_addr_copy(dev->dev_addr, dt_mac_addr); - } else { - if (priv->hw_version == MVPP21) - mvpp21_get_mac_address(port, hw_mac_addr); - if (is_valid_ether_addr(hw_mac_addr)) { - mac_from = "hardware"; - ether_addr_copy(dev->dev_addr, hw_mac_addr); - } else { - mac_from = "random"; - eth_hw_addr_random(dev); - } - } + mvpp2_port_copy_mac_addr(dev, priv, port_node, &mac_from); port->tx_ring_size = MVPP2_MAX_TXD; port->rx_ring_size = MVPP2_MAX_RXD;