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net: phy: nxp-c45-tja11xx: run cable test with the PHY in test mode

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For TJA1120, the enable bit for cable test is not writable if the PHY is
not in test mode.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-10-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Radu Pirea (NXP OSS)
2023-07-31 12:16:17 +03:00
committed by Jakub Kicinski
parent 425c8348df
commit c552c110d4
1 changed files with 5 additions and 0 deletions
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5
drivers/net/phy/nxp-c45-tja11xx.c
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@@ -145,6 +145,7 @@
#define VEND1_PORT_FUNC_ENABLES 0x8048
#define PTP_ENABLE BIT(3)
#define PHY_TEST_ENABLE BIT(0)
#define VEND1_PORT_PTP_CONTROL 0x9000
#define PORT_PTP_CONTROL_BYPASS BIT(11)
@@ -1258,6 +1259,8 @@ static int nxp_c45_cable_test_start(struct phy_device *phydev)
{
const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(phydev);
phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
VEND1_PORT_FUNC_ENABLES, PHY_TEST_ENABLE);
return phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, regmap->cable_test,
CABLE_TEST_ENABLE | CABLE_TEST_START);
}
@@ -1299,6 +1302,8 @@ static int nxp_c45_cable_test_get_status(struct phy_device *phydev,
phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, regmap->cable_test,
CABLE_TEST_ENABLE);
phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
VEND1_PORT_FUNC_ENABLES, PHY_TEST_ENABLE);
return nxp_c45_start_op(phydev);
}