Thread (35 messages) 35 messages, 7 authors, 2026-01-22

Re: [PATCH net-next 10/14] net: stmmac: use integrated PCS for BASE-X modes

From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2026-01-19 13:20:40
Also in: linux-arm-kernel, linux-arm-msm, linux-phy


On 19/01/2026 13:34, Russell King (Oracle) wrote:
dwmac-qcom-ethqos supports SGMII and 2500BASE-X using the integrated
PCS, so we need to expand the PCS support to include support for
BASE-X modes.

Add support to the prereset configuration to detect 2500BASE-X, and
arrange for stmmac_mac_select_pcs() to return the integrated PCS if
its supported_interfaces bitmap reports support for the interface mode.

This results in priv->hw->pcs now being write-only, so remove it.

Signed-off-by: Russell King (Oracle) <redacted>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>

Maxime

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