netdev - [PATCH net-next 2/4] net: dsa: mv88e6xxx: Differentiate between 6390 and 6390X cmodes

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Date:   Sun, 11 Nov 2018 00:32:15 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 2/4] net: dsa: mv88e6xxx: Differentiate between 6390 and 6390X cmodes

The X family variants support additional ports modes, for 10G
operation, which the non-X variants don't have. Add a port_set_cmode()
for non-X variants to enforce this.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.c |  7 +++++--
 drivers/net/dsa/mv88e6xxx/port.c | 15 +++++++++++++++
 drivers/net/dsa/mv88e6xxx/port.h |  2 ++
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 13c6d76d9150..733bb137efbf 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3234,6 +3234,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
 	.port_link_state = mv88e6352_port_link_state,
 	.port_get_cmode = mv88e6352_port_get_cmode,
+	.port_set_cmode = mv88e6390_port_set_cmode,
 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3276,6 +3277,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
 	.port_link_state = mv88e6352_port_link_state,
 	.port_get_cmode = mv88e6352_port_get_cmode,
+	.port_set_cmode = mv88e6390x_port_set_cmode,
 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3318,6 +3320,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
 	.port_link_state = mv88e6352_port_link_state,
 	.port_get_cmode = mv88e6352_port_get_cmode,
+	.port_set_cmode = mv88e6390_port_set_cmode,
 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3409,7 +3412,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
 	.port_link_state = mv88e6352_port_link_state,
 	.port_get_cmode = mv88e6352_port_get_cmode,
-	.port_set_cmode = mv88e6390x_port_set_cmode,
+	.port_set_cmode = mv88e6390_port_set_cmode,
 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3714,7 +3717,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
 	.port_link_state = mv88e6352_port_link_state,
 	.port_get_cmode = mv88e6352_port_get_cmode,
-	.port_set_cmode = mv88e6390x_port_set_cmode,
+	.port_set_cmode = mv88e6390_port_set_cmode,
 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index cd7db60a508b..e718404a5e03 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -437,6 +437,21 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
 	return 0;
 }
 
+int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
+			     phy_interface_t mode)
+{
+	switch (mode) {
+	case PHY_INTERFACE_MODE_XGMII:
+	case PHY_INTERFACE_MODE_XAUI:
+	case PHY_INTERFACE_MODE_RXAUI:
+		return -EINVAL;
+	default:
+		break;
+	}
+
+	return mv88e6390x_port_set_cmode(chip, port, mode);
+}
+
 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
 {
 	int err;
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 36904c9bf955..0d81866d0e4a 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -310,6 +310,8 @@ int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
 			       u8 out);
 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
 			       u8 out);
+int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
+			     phy_interface_t mode);
 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
 			      phy_interface_t mode);
 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
-- 
2.19.1