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path: root/drivers/net/dsa/sja1105/sja1105_main.c
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-rw-r--r--drivers/net/dsa/sja1105/sja1105_main.c85
1 files changed, 42 insertions, 43 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index d0563ef59acf..f8454f3b6f9c 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -15,7 +15,6 @@
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
-#include <linux/pcs/pcs-xpcs.h>
#include <linux/netdev_features.h>
#include <linux/netdevice.h>
#include <linux/if_bridge.h>
@@ -1257,29 +1256,11 @@ static int sja1105_parse_dt(struct sja1105_private *priv)
return rc;
}
-/* Convert link speed from SJA1105 to ethtool encoding */
-static int sja1105_port_speed_to_ethtool(struct sja1105_private *priv,
- u64 speed)
-{
- if (speed == priv->info->port_speed[SJA1105_SPEED_10MBPS])
- return SPEED_10;
- if (speed == priv->info->port_speed[SJA1105_SPEED_100MBPS])
- return SPEED_100;
- if (speed == priv->info->port_speed[SJA1105_SPEED_1000MBPS])
- return SPEED_1000;
- if (speed == priv->info->port_speed[SJA1105_SPEED_2500MBPS])
- return SPEED_2500;
- return SPEED_UNKNOWN;
-}
-
-/* Set link speed in the MAC configuration for a specific port. */
-static int sja1105_adjust_port_config(struct sja1105_private *priv, int port,
- int speed_mbps)
+static int sja1105_set_port_speed(struct sja1105_private *priv, int port,
+ int speed_mbps)
{
struct sja1105_mac_config_entry *mac;
- struct device *dev = priv->ds->dev;
u64 speed;
- int rc;
/* On P/Q/R/S, one can read from the device via the MAC reconfiguration
* tables. On E/T, MAC reconfig tables are not readable, only writable.
@@ -1313,7 +1294,7 @@ static int sja1105_adjust_port_config(struct sja1105_private *priv, int port,
speed = priv->info->port_speed[SJA1105_SPEED_2500MBPS];
break;
default:
- dev_err(dev, "Invalid speed %iMbps\n", speed_mbps);
+ dev_err(priv->ds->dev, "Invalid speed %iMbps\n", speed_mbps);
return -EINVAL;
}
@@ -1325,11 +1306,31 @@ static int sja1105_adjust_port_config(struct sja1105_private *priv, int port,
* we need to configure the PCS only (if even that).
*/
if (priv->phy_mode[port] == PHY_INTERFACE_MODE_SGMII)
- mac[port].speed = priv->info->port_speed[SJA1105_SPEED_1000MBPS];
+ speed = priv->info->port_speed[SJA1105_SPEED_1000MBPS];
else if (priv->phy_mode[port] == PHY_INTERFACE_MODE_2500BASEX)
- mac[port].speed = priv->info->port_speed[SJA1105_SPEED_2500MBPS];
- else
- mac[port].speed = speed;
+ speed = priv->info->port_speed[SJA1105_SPEED_2500MBPS];
+
+ mac[port].speed = speed;
+
+ return 0;
+}
+
+/* Write the MAC Configuration Table entry and, if necessary, the CGU settings,
+ * after a link speedchange for this port.
+ */
+static int sja1105_set_port_config(struct sja1105_private *priv, int port)
+{
+ struct sja1105_mac_config_entry *mac;
+ struct device *dev = priv->ds->dev;
+ int rc;
+
+ /* On P/Q/R/S, one can read from the device via the MAC reconfiguration
+ * tables. On E/T, MAC reconfig tables are not readable, only writable.
+ * We have to *know* what the MAC looks like. For the sake of keeping
+ * the code common, we'll use the static configuration tables as a
+ * reasonable approximation for both E/T and P/Q/R/S.
+ */
+ mac = priv->static_config.tables[BLK_IDX_MAC_CONFIG].entries;
/* Write to the dynamic reconfiguration tables */
rc = sja1105_dynamic_config_write(priv, BLK_IDX_MAC_CONFIG, port,
@@ -1356,12 +1357,8 @@ sja1105_mac_select_pcs(struct phylink_config *config, phy_interface_t iface)
{
struct dsa_port *dp = dsa_phylink_to_port(config);
struct sja1105_private *priv = dp->ds->priv;
- struct dw_xpcs *xpcs = priv->xpcs[dp->index];
-
- if (xpcs)
- return &xpcs->pcs;
- return NULL;
+ return priv->pcs[dp->index];
}
static void sja1105_mac_config(struct phylink_config *config,
@@ -1390,7 +1387,8 @@ static void sja1105_mac_link_up(struct phylink_config *config,
struct sja1105_private *priv = dp->ds->priv;
int port = dp->index;
- sja1105_adjust_port_config(priv, port, speed);
+ if (!sja1105_set_port_speed(priv, port, speed))
+ sja1105_set_port_config(priv, port);
sja1105_inhibit_tx(priv, BIT(port), false);
}
@@ -2293,8 +2291,8 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
{
struct ptp_system_timestamp ptp_sts_before;
struct ptp_system_timestamp ptp_sts_after;
- int speed_mbps[SJA1105_MAX_NUM_PORTS];
u16 bmcr[SJA1105_MAX_NUM_PORTS] = {0};
+ u64 mac_speed[SJA1105_MAX_NUM_PORTS];
struct sja1105_mac_config_entry *mac;
struct dsa_switch *ds = priv->ds;
s64 t1, t2, t3, t4;
@@ -2307,17 +2305,16 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
mac = priv->static_config.tables[BLK_IDX_MAC_CONFIG].entries;
- /* Back up the dynamic link speed changed by sja1105_adjust_port_config
+ /* Back up the dynamic link speed changed by sja1105_set_port_speed()
* in order to temporarily restore it to SJA1105_SPEED_AUTO - which the
* switch wants to see in the static config in order to allow us to
* change it through the dynamic interface later.
*/
for (i = 0; i < ds->num_ports; i++) {
- speed_mbps[i] = sja1105_port_speed_to_ethtool(priv,
- mac[i].speed);
+ mac_speed[i] = mac[i].speed;
mac[i].speed = priv->info->port_speed[SJA1105_SPEED_AUTO];
- if (priv->xpcs[i])
+ if (priv->pcs[i])
bmcr[i] = mdiobus_c45_read(priv->mdio_pcs, i,
MDIO_MMD_VEND2, MDIO_CTRL1);
}
@@ -2374,14 +2371,15 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
}
for (i = 0; i < ds->num_ports; i++) {
- struct dw_xpcs *xpcs = priv->xpcs[i];
+ struct phylink_pcs *pcs = priv->pcs[i];
unsigned int neg_mode;
- rc = sja1105_adjust_port_config(priv, i, speed_mbps[i]);
+ mac[i].speed = mac_speed[i];
+ rc = sja1105_set_port_config(priv, i);
if (rc < 0)
goto out;
- if (!xpcs)
+ if (!pcs)
continue;
if (bmcr[i] & BMCR_ANENABLE)
@@ -2389,7 +2387,8 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
else
neg_mode = PHYLINK_PCS_NEG_OUTBAND;
- rc = xpcs_do_config(xpcs, priv->phy_mode[i], NULL, neg_mode);
+ rc = pcs->ops->pcs_config(pcs, neg_mode, priv->phy_mode[i],
+ NULL, true);
if (rc < 0)
goto out;
@@ -2405,8 +2404,8 @@ int sja1105_static_config_reload(struct sja1105_private *priv,
else
speed = SPEED_10;
- xpcs_link_up(&xpcs->pcs, neg_mode, priv->phy_mode[i],
- speed, DUPLEX_FULL);
+ pcs->ops->pcs_link_up(pcs, neg_mode, priv->phy_mode[i],
+ speed, DUPLEX_FULL);
}
}