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target_linux_generic/backport-6.12/601-08-v6.14-net-phy-marvell-implement-config_inband-method.patch
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From a219912e0fec73c346e64ef47013cb2e152f88fc Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Tue, 3 Dec 2024 15:31:23 +0000
Subject: [PATCH 08/13] net: phy: marvell: implement config_inband() method
Implement the config_inband() method for Marvell 88E1112, 88E1111,
and Finisar's 88E1111 variant.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tIUrz-006IUO-3r@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/phy/marvell.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -730,6 +730,34 @@ static unsigned int m88e1111_inband_caps
return 0;
}
+static int m88e1111_config_inband(struct phy_device *phydev, unsigned int modes)
+{
+ u16 extsr, bmcr;
+ int err;
+
+ if (phydev->interface != PHY_INTERFACE_MODE_1000BASEX &&
+ phydev->interface != PHY_INTERFACE_MODE_SGMII)
+ return -EINVAL;
+
+ if (modes == LINK_INBAND_BYPASS)
+ extsr = MII_M1111_HWCFG_SERIAL_AN_BYPASS;
+ else
+ extsr = 0;
+
+ if (modes == LINK_INBAND_DISABLE)
+ bmcr = 0;
+ else
+ bmcr = BMCR_ANENABLE;
+
+ err = phy_modify(phydev, MII_M1111_PHY_EXT_SR,
+ MII_M1111_HWCFG_SERIAL_AN_BYPASS, extsr);
+ if (err < 0)
+ return extsr;
+
+ return phy_modify_paged(phydev, MII_MARVELL_FIBER_PAGE, MII_BMCR,
+ BMCR_ANENABLE, bmcr);
+}
+
static int m88e1111_config_aneg(struct phy_device *phydev)
{
int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
@@ -3719,6 +3747,7 @@ static struct phy_driver marvell_drivers
/* PHY_GBIT_FEATURES */
.probe = marvell_probe,
.inband_caps = m88e1111_inband_caps,
+ .config_inband = m88e1111_config_inband,
.config_init = m88e1112_config_init,
.config_aneg = marvell_config_aneg,
.config_intr = marvell_config_intr,
@@ -3741,6 +3770,7 @@ static struct phy_driver marvell_drivers
.flags = PHY_POLL_CABLE_TEST,
.probe = marvell_probe,
.inband_caps = m88e1111_inband_caps,
+ .config_inband = m88e1111_config_inband,
.config_init = m88e1111gbe_config_init,
.config_aneg = m88e1111_config_aneg,
.read_status = marvell_read_status,
@@ -3765,6 +3795,7 @@ static struct phy_driver marvell_drivers
/* PHY_GBIT_FEATURES */
.probe = marvell_probe,
.inband_caps = m88e1111_inband_caps,
+ .config_inband = m88e1111_config_inband,
.config_init = m88e1111gbe_config_init,
.config_aneg = m88e1111_config_aneg,
.read_status = marvell_read_status,