net: stmmac: dwc-qos: use generic stmmac_set_clk_tx_rate()

Use the generic stmmac_set_clk_tx_rate() to configure the MAC transmit
clock.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/E1tna0P-0052se-Tv@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 6cadf24a575c5a7da290fae5b8cf80df3ceed4fe..3f0f4ea6cf2e46c746438403d674b5a367172c26 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -30,7 +30,6 @@ struct tegra_eqos {
 
        struct reset_control *rst;
        struct clk *clk_slave;
-       struct clk *clk_tx;
 
        struct gpio_desc *reset;
 };
@@ -150,7 +149,6 @@ static void tegra_eqos_fix_speed(void *priv, int speed, unsigned int mode)
 {
        struct tegra_eqos *eqos = priv;
        bool needs_calibration = false;
-       long rate = 125000000;
        u32 value;
        int err;
 
@@ -161,7 +159,6 @@ static void tegra_eqos_fix_speed(void *priv, int speed, unsigned int mode)
                fallthrough;
 
        case SPEED_10:
-               rate = rgmii_clock(speed);
                break;
 
        default:
@@ -208,10 +205,6 @@ static void tegra_eqos_fix_speed(void *priv, int speed, unsigned int mode)
                value &= ~AUTO_CAL_CONFIG_ENABLE;
                writel(value, eqos->regs + AUTO_CAL_CONFIG);
        }
-
-       err = clk_set_rate(eqos->clk_tx, rate);
-       if (err < 0)
-               dev_err(eqos->dev, "failed to set TX rate: %d\n", err);
 }
 
 static int tegra_eqos_init(struct platform_device *pdev, void *priv)
@@ -247,7 +240,7 @@ static int tegra_eqos_probe(struct platform_device *pdev,
        if (!is_of_node(dev->fwnode))
                goto bypass_clk_reset_gpio;
 
-       eqos->clk_tx = dwc_eth_find_clk(plat_dat, "tx");
+       plat_dat->clk_tx_i = dwc_eth_find_clk(plat_dat, "tx");
 
        eqos->reset = devm_gpiod_get(&pdev->dev, "phy-reset", GPIOD_OUT_HIGH);
        if (IS_ERR(eqos->reset)) {
@@ -281,6 +274,7 @@ static int tegra_eqos_probe(struct platform_device *pdev,
 
 bypass_clk_reset_gpio:
        plat_dat->fix_mac_speed = tegra_eqos_fix_speed;
+       plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate;
        plat_dat->init = tegra_eqos_init;
        plat_dat->bsp_priv = eqos;
        plat_dat->flags |= STMMAC_FLAG_SPH_DISABLE;