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-rw-r--r--drivers/net/dsa/mv88e6123_61_65.c1
-rw-r--r--drivers/net/dsa/mv88e6131.c1
-rw-r--r--drivers/net/dsa/mv88e6171.c1
-rw-r--r--drivers/net/dsa/mv88e6352.c1
-rw-r--r--drivers/net/dsa/mv88e6xxx.c58
-rw-r--r--drivers/net/dsa/mv88e6xxx.h2
6 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6123_61_65.c b/drivers/net/dsa/mv88e6123_61_65.c
index 71a29a7ce538..3de2a6d73fdc 100644
--- a/drivers/net/dsa/mv88e6123_61_65.c
+++ b/drivers/net/dsa/mv88e6123_61_65.c
@@ -129,6 +129,7 @@ struct dsa_switch_driver mv88e6123_61_65_switch_driver = {
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
+ .adjust_link = mv88e6xxx_adjust_link,
#ifdef CONFIG_NET_DSA_HWMON
.get_temp = mv88e6xxx_get_temp,
#endif
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 32f4a08e9bc9..3e8386529965 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -182,6 +182,7 @@ struct dsa_switch_driver mv88e6131_switch_driver = {
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
+ .adjust_link = mv88e6xxx_adjust_link,
};
MODULE_ALIAS("platform:mv88e6085");
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 735f04cd83ee..d54b7400e8d8 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -108,6 +108,7 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
+ .adjust_link = mv88e6xxx_adjust_link,
#ifdef CONFIG_NET_DSA_HWMON
.get_temp = mv88e6xxx_get_temp,
#endif
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index 14b71779df99..1f5129c105fb 100644
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -328,6 +328,7 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
+ .adjust_link = mv88e6xxx_adjust_link,
.set_eee = mv88e6xxx_set_eee,
.get_eee = mv88e6xxx_get_eee,
#ifdef CONFIG_NET_DSA_HWMON
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 3774f53d28d7..1a8c45f3e680 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -14,6 +14,7 @@
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
#include <linux/if_bridge.h>
#include <linux/jiffies.h>
#include <linux/list.h>
@@ -560,6 +561,63 @@ static bool mv88e6xxx_6352_family(struct dsa_switch *ds)
return false;
}
+/* We expect the switch to perform auto negotiation if there is a real
+ * phy. However, in the case of a fixed link phy, we force the port
+ * settings from the fixed link settings.
+ */
+void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port,
+ struct phy_device *phydev)
+{
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+ u32 ret, reg;
+
+ if (!phy_is_pseudo_fixed_link(phydev))
+ return;
+
+ mutex_lock(&ps->smi_mutex);
+
+ ret = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_PCS_CTRL);
+ if (ret < 0)
+ goto out;
+
+ reg = ret & ~(PORT_PCS_CTRL_LINK_UP |
+ PORT_PCS_CTRL_FORCE_LINK |
+ PORT_PCS_CTRL_DUPLEX_FULL |
+ PORT_PCS_CTRL_FORCE_DUPLEX |
+ PORT_PCS_CTRL_UNFORCED);
+
+ reg |= PORT_PCS_CTRL_FORCE_LINK;
+ if (phydev->link)
+ reg |= PORT_PCS_CTRL_LINK_UP;
+
+ if (mv88e6xxx_6065_family(ds) && phydev->speed > SPEED_100)
+ goto out;
+
+ switch (phydev->speed) {
+ case SPEED_1000:
+ reg |= PORT_PCS_CTRL_1000;
+ break;
+ case SPEED_100:
+ reg |= PORT_PCS_CTRL_100;
+ break;
+ case SPEED_10:
+ reg |= PORT_PCS_CTRL_10;
+ break;
+ default:
+ pr_info("Unknown speed");
+ goto out;
+ }
+
+ reg |= PORT_PCS_CTRL_FORCE_DUPLEX;
+ if (phydev->duplex == DUPLEX_FULL)
+ reg |= PORT_PCS_CTRL_DUPLEX_FULL;
+
+ _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_PCS_CTRL, reg);
+
+out:
+ mutex_unlock(&ps->smi_mutex);
+}
+
/* Must be called with SMI mutex held */
static int _mv88e6xxx_stats_wait(struct dsa_switch *ds)
{
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 72ca887feb0d..79003c55fe62 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -446,6 +446,8 @@ void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
uint64_t *data);
int mv88e6xxx_get_sset_count(struct dsa_switch *ds);
int mv88e6xxx_get_sset_count_basic(struct dsa_switch *ds);
+void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port,
+ struct phy_device *phydev);
int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port);
void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
struct ethtool_regs *regs, void *_p);