diff mbox series

[2/2] net: phy: aquantia: enable USXGMII autoneg on AQR107

Message ID 20231117100848.424372-2-robimarko@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [1/2] net: phy: aquantia: validate PHY mode on AQR107 | expand

Checks

Context Check Description
netdev/series_format warning Single patches do not need cover letters; Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be 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: 1127 this patch: 1127
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 1154 this patch: 1154
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: 1154 this patch: 1154
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 24 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Robert Marko Nov. 17, 2023, 10:05 a.m. UTC 
In case USXGMII is being used as the PHY interface mode then USXGMII
autoneg must be enabled as well.

HW defaults to USXGMII autoneg being disabled which then results in
autoneg timeout, so enable it in case USXGMII is used.

Signed-off-by: Robert Marko <robimarko@gmail.com>
---
 drivers/net/phy/aquantia/aquantia_main.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aquantia/aquantia_main.c
index 7711e052e737..c602873052a0 100644
--- a/drivers/net/phy/aquantia/aquantia_main.c
+++ b/drivers/net/phy/aquantia/aquantia_main.c
@@ -26,6 +26,9 @@ 
 #define PHY_ID_AQR412	0x03a1b712
 #define PHY_ID_AQR113C	0x31c31c12
 
+#define MDIO_PHYXS_XAUI_RX_VEND2		0xc441
+#define MDIO_PHYXS_XAUI_RX_VEND2_USX_AUTONEG_EN	BIT(3)
+
 #define MDIO_PHYXS_VEND_IF_STATUS		0xe812
 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_MASK	GENMASK(7, 3)
 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_KR	0
@@ -545,6 +548,15 @@  static int aqr107_config_init(struct phy_device *phydev)
 
 	aqr107_validate_mode(phydev, phydev->interface);
 
+	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII) {
+		ret = phy_modify_mmd(phydev, MDIO_MMD_PHYXS,
+				     MDIO_PHYXS_XAUI_RX_VEND2,
+				     MDIO_PHYXS_XAUI_RX_VEND2_USX_AUTONEG_EN,
+				     MDIO_PHYXS_XAUI_RX_VEND2_USX_AUTONEG_EN);
+		if (ret)
+			return ret;
+	}
+
 	return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
 }