netdev - [PATCH net-next 07/11] net: stmmac: imx: use generic stmmac_set_clk_tx

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Message-Id: <E1tna0k-0052t2-Cc@rmk-PC.armlinux.org.uk>
Date: Thu, 27 Feb 2025 09:16:54 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Fabio Estevam <festevam@...il.com>,
	imx@...ts.linux.dev,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH net-next 07/11] net: stmmac: imx: use generic
 stmmac_set_clk_tx_rate()

Convert non-i.MX93 users to use the generic stmmac_set_clk_tx_rate() to
configure the MAC transmit clock rate.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/stmicro/stmmac/dwmac-imx.c   | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
index 610204b51e3f..5d279fa54b3e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -192,6 +192,19 @@ static void imx_dwmac_exit(struct platform_device *pdev, void *priv)
 	/* nothing to do now */
 }
 
+static int imx_dwmac_set_clk_tx_rate(void *bsp_priv, struct clk *clk_tx_i,
+				     phy_interface_t interface, int speed)
+{
+	struct imx_priv_data *dwmac = bsp_priv;
+
+	interface = dwmac->plat_dat->mac_interface;
+	if (interface == PHY_INTERFACE_MODE_RMII ||
+	    interface == PHY_INTERFACE_MODE_MII)
+		return 0;
+
+	return stmmac_set_clk_tx_rate(bsp_priv, clk_tx_i, interface, speed);
+}
+
 static void imx_dwmac_fix_speed(void *priv, int speed, unsigned int mode)
 {
 	struct plat_stmmacenet_data *plat_dat;
@@ -358,7 +371,6 @@ static int imx_dwmac_probe(struct platform_device *pdev)
 	plat_dat->init = imx_dwmac_init;
 	plat_dat->exit = imx_dwmac_exit;
 	plat_dat->clks_config = imx_dwmac_clks_config;
-	plat_dat->fix_mac_speed = imx_dwmac_fix_speed;
 	plat_dat->bsp_priv = dwmac;
 	dwmac->plat_dat = plat_dat;
 	dwmac->base_addr = stmmac_res.addr;
@@ -371,8 +383,13 @@ static int imx_dwmac_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_dwmac_init;
 
-	if (dwmac->ops->fix_mac_speed)
+	if (dwmac->ops->fix_mac_speed) {
 		plat_dat->fix_mac_speed = dwmac->ops->fix_mac_speed;
+	} else if (!dwmac->ops->mac_rgmii_txclk_auto_adj) {
+		plat_dat->clk_tx_i = dwmac->clk_tx;
+		plat_dat->set_clk_tx_rate = imx_dwmac_set_clk_tx_rate;
+	}
+
 	dwmac->plat_dat->fix_soc_reset = dwmac->ops->fix_soc_reset;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-- 
2.30.2