netdev - [PATCH RFC net-next 13/16] net: pcs: pcs-mtk-lynxi: implement pcs_inband

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Message-Id: <E1tFrov-005xQq-W8@rmk-PC.armlinux.org.uk>
Date: Tue, 26 Nov 2024 09:25:21 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexander Couzens <lynxis@...0.eu>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Daniel Golle <daniel@...rotopia.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ioana Ciornei <ioana.ciornei@....com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jose Abreu <Jose.Abreu@...opsys.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Marcin Wojtas <marcin.s.wojtas@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH RFC net-next 13/16] net: pcs: pcs-mtk-lynxi: implement
 pcs_inband_caps() method

Report the PCS in-band capabilities to phylink for the LynxI PCS.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/pcs/pcs-mtk-lynxi.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/pcs/pcs-mtk-lynxi.c b/drivers/net/pcs/pcs-mtk-lynxi.c
index 4f63abe638c4..7de804535229 100644
--- a/drivers/net/pcs/pcs-mtk-lynxi.c
+++ b/drivers/net/pcs/pcs-mtk-lynxi.c
@@ -88,6 +88,21 @@ static struct mtk_pcs_lynxi *pcs_to_mtk_pcs_lynxi(struct phylink_pcs *pcs)
 	return container_of(pcs, struct mtk_pcs_lynxi, pcs);
 }
 
+static unsigned int mtk_pcs_lynxi_inband_caps(struct phylink_pcs *pcs,
+					      phy_interface_t interface)
+{
+	switch (interface) {
+	case PHY_INTERFACE_MODE_1000BASEX:
+	case PHY_INTERFACE_MODE_2500BASEX:
+	case PHY_INTERFACE_MODE_SGMII:
+	case PHY_INTERFACE_MODE_QSGMII:
+		return LINK_INBAND_DISABLE | LINK_INBAND_ENABLE;
+
+	default:
+		return 0;
+	}
+}
+
 static void mtk_pcs_lynxi_get_state(struct phylink_pcs *pcs,
 				    struct phylink_link_state *state)
 {
@@ -241,6 +256,7 @@ static void mtk_pcs_lynxi_disable(struct phylink_pcs *pcs)
 }
 
 static const struct phylink_pcs_ops mtk_pcs_lynxi_ops = {
+	.pcs_inband_caps = mtk_pcs_lynxi_inband_caps,
 	.pcs_get_state = mtk_pcs_lynxi_get_state,
 	.pcs_config = mtk_pcs_lynxi_config,
 	.pcs_an_restart = mtk_pcs_lynxi_restart_an,
-- 
2.30.2