net: macb: Use helper rgmii_clock

Utilize a new helper function rgmii_clock().

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-10-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index daa416fb1724e942c74279ca632814be99ffcae1..640f500f989d5b3de36b9ddcb8ccb8e8863aead3 100644 (file)
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -530,19 +530,9 @@ static void macb_set_tx_clk(struct macb *bp, int speed)
        if (bp->phy_interface == PHY_INTERFACE_MODE_MII)
                return;
 
-       switch (speed) {
-       case SPEED_10:
-               rate = 2500000;
-               break;
-       case SPEED_100:
-               rate = 25000000;
-               break;
-       case SPEED_1000:
-               rate = 125000000;
-               break;
-       default:
+       rate = rgmii_clock(speed);
+       if (rate < 0)
                return;
-       }
 
        rate_rounded = clk_round_rate(bp->tx_clk, rate);
        if (rate_rounded < 0)