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net: stmmac: starfive: use generic stmmac_set_clk_tx_rate()

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

Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/E1tna0V-0052sk-1L@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle)
2025-02-27 09:16:39 +00:00
committed by Jakub Kicinski
parent 17c24f6dc6
commit c81eb3da0b
1 changed files with 4 additions and 22 deletions
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26
drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
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@@ -27,27 +27,9 @@ struct starfive_dwmac_data {
struct starfive_dwmac {
struct device *dev;
struct clk *clk_tx;
const struct starfive_dwmac_data *data;
};
static void starfive_dwmac_fix_mac_speed(void *priv, int speed, unsigned int mode)
{
struct starfive_dwmac *dwmac = priv;
long rate;
int err;
rate = rgmii_clock(speed);
if (rate < 0) {
dev_err(dwmac->dev, "invalid speed %d\n", speed);
return;
}
err = clk_set_rate(dwmac->clk_tx, rate);
if (err)
dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
}
static int starfive_dwmac_set_mode(struct plat_stmmacenet_data *plat_dat)
{
struct starfive_dwmac *dwmac = plat_dat->bsp_priv;
@@ -122,9 +104,9 @@ static int starfive_dwmac_probe(struct platform_device *pdev)
dwmac->data = device_get_match_data(&pdev->dev);
dwmac->clk_tx = devm_clk_get_enabled(&pdev->dev, "tx");
if (IS_ERR(dwmac->clk_tx))
return dev_err_probe(&pdev->dev, PTR_ERR(dwmac->clk_tx),
plat_dat->clk_tx_i = devm_clk_get_enabled(&pdev->dev, "tx");
if (IS_ERR(plat_dat->clk_tx_i))
return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat->clk_tx_i),
"error getting tx clock\n");
clk_gtx = devm_clk_get_enabled(&pdev->dev, "gtx");
@@ -139,7 +121,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev)
* internally, because rgmii_rxin will be adaptively adjusted.
*/
if (!device_property_read_bool(&pdev->dev, "starfive,tx-use-rgmii-clk"))
plat_dat->fix_mac_speed = starfive_dwmac_fix_mac_speed;
plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate;
dwmac->dev = &pdev->dev;
plat_dat->bsp_priv = dwmac;