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path: root/drivers/net/dsa/microchip/ksz_common.c
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.c')
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c118
1 files changed, 76 insertions, 42 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 8a03baa6aecc..89f0796894af 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1339,6 +1339,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.supports_rgmii = {false, false, true},
.internal_phy = {true, true, false},
.gbit_capable = {false, false, true},
+ .ptp_capable = true,
.wr_table = &ksz8563_register_set,
.rd_table = &ksz8563_register_set,
},
@@ -1550,6 +1551,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.internal_phy = {true, true, true, true,
true, false, false},
.gbit_capable = {true, true, true, true, true, true, true},
+ .ptp_capable = true,
.wr_table = &ksz9477_register_set,
.rd_table = &ksz9477_register_set,
},
@@ -1677,6 +1679,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.supports_rgmii = {false, false, true},
.internal_phy = {true, true, false},
.gbit_capable = {true, true, true},
+ .ptp_capable = true,
},
[KSZ8567] = {
@@ -1712,6 +1715,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
true, false, false},
.gbit_capable = {false, false, false, false, false,
true, true},
+ .ptp_capable = true,
},
[KSZ9567] = {
@@ -1744,6 +1748,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.internal_phy = {true, true, true, true,
true, false, false},
.gbit_capable = {true, true, true, true, true, true, true},
+ .ptp_capable = true,
},
[LAN9370] = {
@@ -1773,6 +1778,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.supports_rmii = {false, false, false, false, true},
.supports_rgmii = {false, false, false, false, true},
.internal_phy = {true, true, true, true, false},
+ .ptp_capable = true,
},
[LAN9371] = {
@@ -1802,6 +1808,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.supports_rmii = {false, false, false, false, true, true},
.supports_rgmii = {false, false, false, false, true, true},
.internal_phy = {true, true, true, true, false, false},
+ .ptp_capable = true,
},
[LAN9372] = {
@@ -1835,6 +1842,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
true, true, false, false},
.internal_phy = {true, true, true, true,
false, false, true, true},
+ .ptp_capable = true,
},
[LAN9373] = {
@@ -1868,6 +1876,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
true, true, false, false},
.internal_phy = {true, true, true, false,
false, false, true, true},
+ .ptp_capable = true,
},
[LAN9374] = {
@@ -1901,6 +1910,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
true, true, false, false},
.internal_phy = {true, true, true, true,
false, false, true, true},
+ .ptp_capable = true,
},
[LAN9646] = {
@@ -2544,7 +2554,11 @@ static int ksz_mdio_register(struct ksz_device *dev)
bus->read = ksz_sw_mdio_read;
bus->write = ksz_sw_mdio_write;
bus->name = "ksz user smi";
- snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index);
+ if (ds->dst->index != 0) {
+ snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d-%d", ds->dst->index, ds->index);
+ } else {
+ snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index);
+ }
}
ret = ksz_parse_dt_phy_config(dev, bus, mdio_np);
@@ -2805,16 +2819,21 @@ static int ksz_setup(struct dsa_switch *ds)
if (ret)
goto out_girq;
- ret = ksz_ptp_irq_setup(ds, dp->index);
- if (ret)
- goto out_pirq;
+ if (dev->info->ptp_capable) {
+ ret = ksz_ptp_irq_setup(ds, dp->index);
+ if (ret)
+ goto out_pirq;
+ }
}
}
- ret = ksz_ptp_clock_register(ds);
- if (ret) {
- dev_err(dev->dev, "Failed to register PTP clock: %d\n", ret);
- goto out_ptpirq;
+ if (dev->info->ptp_capable) {
+ ret = ksz_ptp_clock_register(ds);
+ if (ret) {
+ dev_err(dev->dev, "Failed to register PTP clock: %d\n",
+ ret);
+ goto out_ptpirq;
+ }
}
ret = ksz_mdio_register(dev);
@@ -2834,9 +2853,10 @@ static int ksz_setup(struct dsa_switch *ds)
return 0;
out_ptp_clock_unregister:
- ksz_ptp_clock_unregister(ds);
+ if (dev->info->ptp_capable)
+ ksz_ptp_clock_unregister(ds);
out_ptpirq:
- if (dev->irq > 0)
+ if (dev->irq > 0 && dev->info->ptp_capable)
dsa_switch_for_each_user_port(dp, dev->ds)
ksz_ptp_irq_free(ds, dp->index);
out_pirq:
@@ -2855,11 +2875,13 @@ static void ksz_teardown(struct dsa_switch *ds)
struct ksz_device *dev = ds->priv;
struct dsa_port *dp;
- ksz_ptp_clock_unregister(ds);
+ if (dev->info->ptp_capable)
+ ksz_ptp_clock_unregister(ds);
if (dev->irq > 0) {
dsa_switch_for_each_user_port(dp, dev->ds) {
- ksz_ptp_irq_free(ds, dp->index);
+ if (dev->info->ptp_capable)
+ ksz_ptp_irq_free(ds, dp->index);
ksz_irq_free(&dev->ports[dp->index].pirq);
}
@@ -3444,12 +3466,12 @@ static int ksz_max_mtu(struct dsa_switch *ds, int port)
return -EOPNOTSUPP;
}
-static int ksz_validate_eee(struct dsa_switch *ds, int port)
+static bool ksz_support_eee(struct dsa_switch *ds, int port)
{
struct ksz_device *dev = ds->priv;
if (!dev->info->internal_phy[port])
- return -EOPNOTSUPP;
+ return false;
switch (dev->chip_id) {
case KSZ8563_CHIP_ID:
@@ -3461,41 +3483,16 @@ static int ksz_validate_eee(struct dsa_switch *ds, int port)
case KSZ9896_CHIP_ID:
case KSZ9897_CHIP_ID:
case LAN9646_CHIP_ID:
- return 0;
+ return true;
}
- return -EOPNOTSUPP;
-}
-
-static int ksz_get_mac_eee(struct dsa_switch *ds, int port,
- struct ethtool_keee *e)
-{
- int ret;
-
- ret = ksz_validate_eee(ds, port);
- if (ret)
- return ret;
-
- /* There is no documented control of Tx LPI configuration. */
- e->tx_lpi_enabled = true;
-
- /* There is no documented control of Tx LPI timer. According to tests
- * Tx LPI timer seems to be set by default to minimal value.
- */
- e->tx_lpi_timer = 0;
-
- return 0;
+ return false;
}
static int ksz_set_mac_eee(struct dsa_switch *ds, int port,
struct ethtool_keee *e)
{
struct ksz_device *dev = ds->priv;
- int ret;
-
- ret = ksz_validate_eee(ds, port);
- if (ret)
- return ret;
if (!e->tx_lpi_enabled) {
dev_err(dev->dev, "Disabling EEE Tx LPI is not supported\n");
@@ -4593,6 +4590,23 @@ static int ksz_hsr_leave(struct dsa_switch *ds, int port,
return 0;
}
+static int ksz_suspend(struct dsa_switch *ds)
+{
+ struct ksz_device *dev = ds->priv;
+
+ cancel_delayed_work_sync(&dev->mib_read);
+ return 0;
+}
+
+static int ksz_resume(struct dsa_switch *ds)
+{
+ struct ksz_device *dev = ds->priv;
+
+ if (dev->mib_read_interval)
+ schedule_delayed_work(&dev->mib_read, dev->mib_read_interval);
+ return 0;
+}
+
static const struct dsa_switch_ops ksz_switch_ops = {
.get_tag_protocol = ksz_get_tag_protocol,
.connect_tag_protocol = ksz_connect_tag_protocol,
@@ -4633,6 +4647,8 @@ static const struct dsa_switch_ops ksz_switch_ops = {
.port_max_mtu = ksz_max_mtu,
.get_wol = ksz_get_wol,
.set_wol = ksz_set_wol,
+ .suspend = ksz_suspend,
+ .resume = ksz_resume,
.get_ts_info = ksz_get_ts_info,
.port_hwtstamp_get = ksz_hwtstamp_get,
.port_hwtstamp_set = ksz_hwtstamp_set,
@@ -4641,7 +4657,7 @@ static const struct dsa_switch_ops ksz_switch_ops = {
.cls_flower_add = ksz_cls_flower_add,
.cls_flower_del = ksz_cls_flower_del,
.port_setup_tc = ksz_setup_tc,
- .get_mac_eee = ksz_get_mac_eee,
+ .support_eee = ksz_support_eee,
.set_mac_eee = ksz_set_mac_eee,
.port_get_default_prio = ksz_port_get_default_prio,
.port_set_default_prio = ksz_port_set_default_prio,
@@ -5132,6 +5148,24 @@ void ksz_switch_remove(struct ksz_device *dev)
}
EXPORT_SYMBOL(ksz_switch_remove);
+#ifdef CONFIG_PM_SLEEP
+int ksz_switch_suspend(struct device *dev)
+{
+ struct ksz_device *priv = dev_get_drvdata(dev);
+
+ return dsa_switch_suspend(priv->ds);
+}
+EXPORT_SYMBOL(ksz_switch_suspend);
+
+int ksz_switch_resume(struct device *dev)
+{
+ struct ksz_device *priv = dev_get_drvdata(dev);
+
+ return dsa_switch_resume(priv->ds);
+}
+EXPORT_SYMBOL(ksz_switch_resume);
+#endif
+
MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>");
MODULE_DESCRIPTION("Microchip KSZ Series Switch DSA Driver");
MODULE_LICENSE("GPL");