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https://github.com/brain-hackers/u-boot-brain
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net: keystone_net: use mdio_reset function
Don't use mdio_enable twice while eth open. Also rename it to keystone2_mdio_reset as more appropriate name. Acked-by: Vitaly Andrianov <vitalya@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
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@ -38,7 +38,6 @@ struct rx_buff_desc net_rx_buffs = {
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.rx_flow = 22,
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};
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static void keystone2_eth_mdio_enable(void);
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static void keystone2_net_serdes_setup(void);
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static int gen_get_link_speed(int phy_addr);
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@ -71,7 +70,7 @@ int keystone2_eth_read_mac_addr(struct eth_device *dev)
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return 0;
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}
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static void keystone2_eth_mdio_enable(void)
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static void keystone2_mdio_reset(void)
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{
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u_int32_t clkdiv;
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@ -397,7 +396,6 @@ int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num)
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/* Eth device open */
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static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
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{
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u_int32_t clkdiv;
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int link;
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struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
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@ -410,9 +408,6 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
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keystone2_net_serdes_setup();
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if (sys_has_mdio)
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keystone2_eth_mdio_enable();
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keystone_sgmii_config(eth_priv->slave_port - 1,
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eth_priv->sgmii_link_type);
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@ -440,14 +435,7 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
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hw_config_streaming_switch();
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if (sys_has_mdio) {
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/* Init MDIO & get link state */
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clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
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writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE |
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MDIO_CONTROL_FAULT, &adap_mdio->control)
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;
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/* We need to wait for MDIO to start */
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udelay(1000);
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keystone2_mdio_reset();
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link = keystone_get_link_status(dev);
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if (link == 0) {
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