linux-kernel - [PATCH v7 07/14] net: phy: at803x: add the possible

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Message-ID: <20231214094813.24690-8-quic_luoj@quicinc.com>
Date:   Thu, 14 Dec 2023 17:48:06 +0800
From:   Luo Jie <quic_luoj@...cinc.com>
To:     <andrew@...n.ch>, <davem@...emloft.net>, <edumazet@...gle.com>,
        <kuba@...nel.org>, <pabeni@...hat.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <hkallweit1@...il.com>, <linux@...linux.org.uk>, <corbet@....net>,
        <p.zabel@...gutronix.de>, <f.fainelli@...il.com>
CC:     <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>
Subject: [PATCH v7 07/14] net: phy: at803x: add the possible_interfaces

When qca808x works on the interface mode sgmii or
2500base-x, the interface mode can be switched according
to the PHY link speed.

Signed-off-by: Luo Jie <quic_luoj@...cinc.com>
---
 drivers/net/phy/at803x.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index b6b41b1a4352..c186ef8e798f 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -2101,10 +2101,22 @@ static void qca808x_link_change_notify(struct phy_device *phydev)
 			QCA8081_PHY_FIFO_RSTN, phydev->link ? QCA8081_PHY_FIFO_RSTN : 0);
 }
 
+static void qca808x_fill_possible_interfaces(struct phy_device *phydev)
+{
+	unsigned long *possible = phydev->possible_interfaces;
+
+	if (phydev->interface != PHY_INTERFACE_MODE_10G_QXGMII) {
+		__set_bit(PHY_INTERFACE_MODE_2500BASEX, possible);
+		__set_bit(PHY_INTERFACE_MODE_SGMII, possible);
+	}
+}
+
 static int qca8084_config_init(struct phy_device *phydev)
 {
 	int ret;
 
+	qca808x_fill_possible_interfaces(phydev);
+
 	/* Invert ADC clock edge */
 	ret = at803x_debug_reg_mask(phydev, QCA8084_ADC_CLK_SEL,
 				    QCA8084_ADC_CLK_SEL_ACLK,
-- 
2.42.0