From: Nikita Yushchenko <nikita.yo...@cogentembedded.com>
Depending on the auto-negotiated speed the PHY may change the interface
mode. Check for new mode and set phydev->interface accordingly.
Signed-off-by: Nikita Yushchenko <nikita.yo...@cogentembedded.com>
Signed-off-by: Andrew Lunn <and...@lunn.ch>
[hkallwe...@gmail.com: picked from bigger patch and reworked]
Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
drivers/net/phy/aquantia_main.c | 46 +++++++++++++++++++++++++++++++--
1 file changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c
index 74c16b85d..034b82d41 100644
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
+#include <linux/bitfield.h>
#include <linux/phy.h>
#include "aquantia.h"
@@ -22,6 +23,13 @@
#define PHY_ID_AQCS109 0x03a1b5c2
#define PHY_ID_AQR405 0x03a1b4b0
+#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
+#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_XFI 2
+#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_SGMII 6
+#define MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII 10
+
#define MDIO_AN_VEND_PROV 0xc400
#define MDIO_AN_VEND_PROV_1000BASET_FULL BIT(15)
#define MDIO_AN_VEND_PROV_1000BASET_HALF BIT(14)
@@ -178,6 +186,40 @@ static int aqr_read_status(struct phy_device *phydev)
return genphy_c45_read_status(phydev);
}
+static int aqr107_read_status(struct phy_device *phydev)
+{
+ int val, ret;
+
+ ret = aqr_read_status(phydev);
+ if (ret)
+ return ret;
+
+ if (!phydev->link)
+ return 0;
+
+ val = phy_read_mmd(phydev, MDIO_MMD_PHYXS, MDIO_PHYXS_VEND_IF_STATUS);
+ if (val < 0)
+ return val;
+
+ switch (FIELD_GET(MDIO_PHYXS_VEND_IF_STATUS_TYPE_MASK, val)) {
+ case MDIO_PHYXS_VEND_IF_STATUS_TYPE_KR:
+ case MDIO_PHYXS_VEND_IF_STATUS_TYPE_XFI:
+ phydev->interface = PHY_INTERFACE_MODE_10GKR;
+ break;
+ case MDIO_PHYXS_VEND_IF_STATUS_TYPE_SGMII:
+ phydev->interface = PHY_INTERFACE_MODE_SGMII;
+ break;
+ case MDIO_PHYXS_VEND_IF_STATUS_TYPE_OCSGMII:
+ phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
+ break;
+ default:
+ phydev->interface = PHY_INTERFACE_MODE_NA;
+ break;
+ }
+
+ return 0;
+}
+
static int aqr107_config_init(struct phy_device *phydev)
{
/* Check that the PHY interface type is compatible */
@@ -254,7 +296,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
- .read_status = aqr_read_status,
+ .read_status = aqr107_read_status,
},
{
PHY_ID_MATCH_MODEL(PHY_ID_AQCS109),
@@ -266,7 +308,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
- .read_status = aqr_read_status,
+ .read_status = aqr107_read_status,
},
{
PHY_ID_MATCH_MODEL(PHY_ID_AQR405),
--
2.21.0
