diff mbox series

[net-next,v2,3/4] net: phy: c45: add support for 1000BASE-T1

Message ID 20230710205900.52894-4-eichest@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Add a driver for the Marvell 88Q2110 PHY | 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: 1341 this patch: 1341
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 1364 this patch: 1364
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: 1364 this patch: 1364
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 30 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Stefan Eichenberger July 10, 2023, 8:58 p.m. UTC
Add support for 1000BASE-T1 to the forced link setup.

Signed-off-by: Stefan Eichenberger <eichest@gmail.com>
---
 drivers/net/phy/phy-c45.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

Comments

Francesco Dolcini July 10, 2023, 9:14 p.m. UTC | #1
On Mon, Jul 10, 2023 at 10:58:59PM +0200, Stefan Eichenberger wrote:
> Add support for 1000BASE-T1 to the forced link setup.
> 
> Signed-off-by: Stefan Eichenberger <eichest@gmail.com>
> ---
>  drivers/net/phy/phy-c45.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
> index 93ed072233779..ec1232066b914 100644
> --- a/drivers/net/phy/phy-c45.c
> +++ b/drivers/net/phy/phy-c45.c
...

> @@ -176,6 +176,12 @@ int genphy_c45_pma_setup_forced(struct phy_device *phydev)
>  		ret = genphy_c45_pma_baset1_setup_master_slave(phydev);
>  		if (ret < 0)
>  			return ret;
> +
> +		bt1_ctrl = 0;
> +		if (phydev->speed == SPEED_1000)
> +			bt1_ctrl = MDIO_PMA_PMD_BT1_CTRL_STRAP_B1000;
> +		phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_PMD_BT1_CTRL,
> +			       MDIO_PMA_PMD_BT1_CTRL_STRAP, bt1_ctrl);

check the return value here?
diff mbox series

Patch

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index 93ed072233779..ec1232066b914 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -108,7 +108,7 @@  EXPORT_SYMBOL_GPL(genphy_c45_pma_baset1_setup_master_slave);
  */
 int genphy_c45_pma_setup_forced(struct phy_device *phydev)
 {
-	int ctrl1, ctrl2, ret;
+	int bt1_ctrl, ctrl1, ctrl2, ret;
 
 	/* Half duplex is not supported */
 	if (phydev->duplex != DUPLEX_FULL)
@@ -176,6 +176,12 @@  int genphy_c45_pma_setup_forced(struct phy_device *phydev)
 		ret = genphy_c45_pma_baset1_setup_master_slave(phydev);
 		if (ret < 0)
 			return ret;
+
+		bt1_ctrl = 0;
+		if (phydev->speed == SPEED_1000)
+			bt1_ctrl = MDIO_PMA_PMD_BT1_CTRL_STRAP_B1000;
+		phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_PMD_BT1_CTRL,
+			       MDIO_PMA_PMD_BT1_CTRL_STRAP, bt1_ctrl);
 	}
 
 	return genphy_c45_an_disable_aneg(phydev);
@@ -976,6 +982,10 @@  int genphy_c45_pma_read_abilities(struct phy_device *phydev)
 					 phydev->supported,
 					 val & MDIO_PMA_PMD_BT1_B10L_ABLE);
 
+			linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+					 phydev->supported,
+					 val & MDIO_PMA_PMD_BT1_B1000_ABLE);
+
 			val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_T1_STAT);
 			if (val < 0)
 				return val;