diff options
| author | Jia Wang <wangjia@ultrarisc.com> | 2026-09-07 15:46:52 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2026-09-10 10:38:02 +0200 |
| commit | 345d78e3098044b792d7d130c7f5e72ca86f5491 (patch) | |
| tree | 30c4783ff4a5355cfd38aa9550f1d18c77a83577 | |
| parent | 7d1cbb9ba9336780639554581207e8ee147dd7b3 (diff) | |
| download | linux-next-345d78e3098044b792d7d130c7f5e72ca86f5491.tar.gz linux-next-345d78e3098044b792d7d130c7f5e72ca86f5491.zip | |
net: stmmac: eic7700: Use common RGMII delay handling
Describe the EIC7700 inherent TX delay through the common stmmac
platform data and let stmmac_pltfr_probe() adjust the PHY interface
mode.
Keep the existing programmable TX and RX delay configuration in the
EIC7700 glue driver.
Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260907-dwmac-ultrarisc-v2-3-9a39bf8db313@ultrarisc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c index eab8c13fbdcc..0d654ec07f33 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c @@ -198,18 +198,9 @@ static int eic7700_dwmac_probe(struct platform_device *pdev) /* * The MAC silicon unconditionally adds ~2 ns TX delay; prevent * the PHY from also adding TX delay to avoid doubling it. - * - * DT specifies rgmii-id (TX from MAC silicon, RX from PHY); - * override to rgmii-rxid so the PHY only adds its RX delay. + * The common platform code adjusts the PHY interface accordingly. */ - if (data->has_internal_tx_delay) { - plat_dat->phy_interface = - phy_fix_phy_mode_for_mac_delays(plat_dat->phy_interface, - true, false); - if (plat_dat->phy_interface == PHY_INTERFACE_MODE_NA) - return dev_err_probe(&pdev->dev, -EINVAL, - "phy interface mode is NA\n"); - } + plat_dat->has_internal_tx_delay = data->has_internal_tx_delay; /* Read rx-internal-delay-ps and update rx_clk delay */ if (!of_property_read_u32(pdev->dev.of_node, |