diff mbox series

[net-next,v3,10/12] net: phy: nxp-c45-tja11xx: run cable test with the PHY in test mode

Message ID 20230627071853.106215-11-radu-nicolae.pirea@oss.nxp.com (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series Add TJA1120 support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 23 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Radu Pirea (NXP OSS) June 27, 2023, 7:18 a.m. UTC 
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>
---
 drivers/net/phy/nxp-c45-tja11xx.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index a826c845ee7d..8097ac8d6962 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -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);
 }