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64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From 1c86828dff88e28b8ade6bddeee0163a023faf91 Mon Sep 17 00:00:00 2001
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From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
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Date: Tue, 3 Dec 2024 15:31:12 +0000
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Subject: [PATCH 06/13] net: phy: marvell: implement phy_inband_caps() method
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Provide an implementation for phy_inband_caps() for Marvell PHYs used
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on SFP modules, so that phylink knows the PHYs capabilities.
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Link: https://patch.msgid.link/E1tIUro-006IUC-Rq@rmk-PC.armlinux.org.uk
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/phy/marvell.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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--- a/drivers/net/phy/marvell.c
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+++ b/drivers/net/phy/marvell.c
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@@ -716,6 +716,20 @@ static int marvell_config_aneg_fiber(str
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return genphy_check_and_restart_aneg(phydev, changed);
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}
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+static unsigned int m88e1111_inband_caps(struct phy_device *phydev,
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+ phy_interface_t interface)
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+{
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+ /* In 1000base-X and SGMII modes, the inband mode can be changed
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+ * through the Fibre page BMCR ANENABLE bit.
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+ */
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+ if (interface == PHY_INTERFACE_MODE_1000BASEX ||
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+ interface == PHY_INTERFACE_MODE_SGMII)
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+ return LINK_INBAND_DISABLE | LINK_INBAND_ENABLE |
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+ LINK_INBAND_BYPASS;
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+
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+ return 0;
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+}
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+
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static int m88e1111_config_aneg(struct phy_device *phydev)
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{
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int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
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@@ -3704,6 +3718,7 @@ static struct phy_driver marvell_drivers
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.name = "Marvell 88E1112",
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/* PHY_GBIT_FEATURES */
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.probe = marvell_probe,
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+ .inband_caps = m88e1111_inband_caps,
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.config_init = m88e1112_config_init,
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.config_aneg = marvell_config_aneg,
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.config_intr = marvell_config_intr,
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@@ -3725,6 +3740,7 @@ static struct phy_driver marvell_drivers
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/* PHY_GBIT_FEATURES */
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.flags = PHY_POLL_CABLE_TEST,
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.probe = marvell_probe,
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+ .inband_caps = m88e1111_inband_caps,
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.config_init = m88e1111gbe_config_init,
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.config_aneg = m88e1111_config_aneg,
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.read_status = marvell_read_status,
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@@ -3748,6 +3764,7 @@ static struct phy_driver marvell_drivers
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.name = "Marvell 88E1111 (Finisar)",
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/* PHY_GBIT_FEATURES */
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.probe = marvell_probe,
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+ .inband_caps = m88e1111_inband_caps,
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.config_init = m88e1111gbe_config_init,
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.config_aneg = m88e1111_config_aneg,
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.read_status = marvell_read_status,
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