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net: dwmac-intel-plat: Use helper rgmii_clock

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Utilize a new helper function rgmii_clock().

When in, remove dead code in kmb_eth_fix_mac_speed().

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/20241205-upstream_s32cc_gmac-v8-7-ec1d180df815@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jan Petrous (OSS)
2024-12-05 17:43:04 +01:00
committed by Jakub Kicinski
parent 839b75ea4d
commit 8470bfc835
1 changed files with 4 additions and 18 deletions
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22
drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
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@@ -31,27 +31,13 @@ struct intel_dwmac_data {
static void kmb_eth_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
{
struct intel_dwmac *dwmac = priv;
unsigned long rate;
long rate;
int ret;
rate = clk_get_rate(dwmac->tx_clk);
switch (speed) {
case SPEED_1000:
rate = 125000000;
break;
case SPEED_100:
rate = 25000000;
break;
case SPEED_10:
rate = 2500000;
break;
default:
rate = rgmii_clock(speed);
if (rate < 0) {
dev_err(dwmac->dev, "Invalid speed\n");
break;
return;
}
ret = clk_set_rate(dwmac->tx_clk, rate);