Thread (20 messages) 20 messages, 5 authors, 2026-02-05
STALE143d

[PATCH net-next 3/6] net: stmmac: rk: rk3328: gmac2phy only supports RMII

From: Russell King (Oracle) <hidden>
Date: 2026-02-04 09:14:42
Also in: linux-arm-kernel, linux-rockchip
Subsystem: arm/rockchip soc support, networking drivers, stmmac ethernet driver, the rest · Maintainers: Heiko Stuebner, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

As detailed in a previous commit ("net: stmmac: rk: convert rk3328 to
use bsp_priv->id") rk3328 gmac2phy only supports RMII, whereas gmac2io
supports both RMII and RGMII. Clear supports_rgmii for gmac2phy.

Signed-off-by: Russell King (Oracle) <redacted>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 25ad8600e9e2..8dd2122fd9b1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -465,6 +465,7 @@ static int rk3328_init(struct rk_priv_data *bsp_priv)
 	case 1: /* gmac2phy */
 		bsp_priv->gmac_grf_reg = RK3328_GRF_MAC_CON2;
 		bsp_priv->clock_grf_reg = RK3328_GRF_MAC_CON2;
+		bsp_priv->supports_rgmii = false;
 		return 0;
 
 	default:
-- 
2.47.3
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