diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2025-02-24 09:25:54 +0000 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2025-04-04 14:29:40 +0100 |
| commit | 548145c8f0b831a5d42c69bafb6ad5b95d127002 (patch) | |
| tree | c02a650575160d58a53fc86e39d9ca2ef73cbc2f /drivers/net/ethernet | |
| parent | 854983ce97637ac9652f85a42fac962410484934 (diff) | |
net: stmmac: qcom-ethqos: use rgmii_clock() to set the link clock
The link clock operates at twice the RGMII clock rate. Therefore, we
can use the rgmii_clock() helper to set this clock rate.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index 192f270197c8..eafe637540b6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -169,30 +169,17 @@ static void rgmii_dump(void *priv) rgmii_readl(ethqos, EMAC_SYSTEM_LOW_POWER_DEBUG)); } -/* Clock rates */ -#define RGMII_1000_NOM_CLK_FREQ (250 * 1000 * 1000UL) -#define RGMII_ID_MODE_100_LOW_SVS_CLK_FREQ (50 * 1000 * 1000UL) -#define RGMII_ID_MODE_10_LOW_SVS_CLK_FREQ (5 * 1000 * 1000UL) - static void ethqos_update_link_clk(struct qcom_ethqos *ethqos, int speed) { + long rate; + if (!phy_interface_mode_is_rgmii(ethqos->phy_mode)) return; - switch (speed) { - case SPEED_1000: - ethqos->link_clk_rate = RGMII_1000_NOM_CLK_FREQ; - break; - - case SPEED_100: - ethqos->link_clk_rate = RGMII_ID_MODE_100_LOW_SVS_CLK_FREQ; - break; - - case SPEED_10: - ethqos->link_clk_rate = RGMII_ID_MODE_10_LOW_SVS_CLK_FREQ; - break; - } + rate = rgmii_clock(speed); + if (rate > 0) + ethqos->link_clk_rate = rate * 2; clk_set_rate(ethqos->link_clk, ethqos->link_clk_rate); } |