net: mdio: of: export part of of_mdiobus_register_phy()
This function will be needed in tja11xx driver for secondary PHY
support.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 9f982c0..a04afe7 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -60,6 +60,50 @@ static struct mii_timestamper *of_find_mii_timestamper(struct device_node *node)
return register_mii_timestamper(arg.np, arg.args[0]);
}
+int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
+ struct device_node *child, u32 addr)
+{
+ int rc;
+
+ rc = of_irq_get(child, 0);
+ if (rc == -EPROBE_DEFER)
+ return rc;
+
+ if (rc > 0) {
+ phy->irq = rc;
+ mdio->irq[addr] = rc;
+ } else {
+ phy->irq = mdio->irq[addr];
+ }
+
+ if (of_property_read_bool(child, "broken-turn-around"))
+ mdio->phy_ignore_ta_mask |= 1 << addr;
+
+ of_property_read_u32(child, "reset-assert-us",
+ &phy->mdio.reset_assert_delay);
+ of_property_read_u32(child, "reset-deassert-us",
+ &phy->mdio.reset_deassert_delay);
+
+ /* Associate the OF node with the device structure so it
+ * can be looked up later */
+ of_node_get(child);
+ phy->mdio.dev.of_node = child;
+ phy->mdio.dev.fwnode = of_fwnode_handle(child);
+
+ /* All data is now stored in the phy struct;
+ * register it */
+ rc = phy_device_register(phy);
+ if (rc) {
+ of_node_put(child);
+ return rc;
+ }
+
+ dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
+ child, addr);
+ return 0;
+}
+EXPORT_SYMBOL(of_mdiobus_phy_device_register);
+
static int of_mdiobus_register_phy(struct mii_bus *mdio,
struct device_node *child, u32 addr)
{
@@ -86,42 +130,11 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
return PTR_ERR(phy);
}
- rc = of_irq_get(child, 0);
- if (rc == -EPROBE_DEFER) {
- if (mii_ts)
- unregister_mii_timestamper(mii_ts);
- phy_device_free(phy);
- return rc;
- }
- if (rc > 0) {
- phy->irq = rc;
- mdio->irq[addr] = rc;
- } else {
- phy->irq = mdio->irq[addr];
- }
-
- if (of_property_read_bool(child, "broken-turn-around"))
- mdio->phy_ignore_ta_mask |= 1 << addr;
-
- of_property_read_u32(child, "reset-assert-us",
- &phy->mdio.reset_assert_delay);
- of_property_read_u32(child, "reset-deassert-us",
- &phy->mdio.reset_deassert_delay);
-
- /* Associate the OF node with the device structure so it
- * can be looked up later */
- of_node_get(child);
- phy->mdio.dev.of_node = child;
- phy->mdio.dev.fwnode = of_fwnode_handle(child);
-
- /* All data is now stored in the phy struct;
- * register it */
- rc = phy_device_register(phy);
+ rc = of_mdiobus_phy_device_register(mdio, phy, child, addr);
if (rc) {
if (mii_ts)
unregister_mii_timestamper(mii_ts);
phy_device_free(phy);
- of_node_put(child);
return rc;
}
@@ -132,8 +145,6 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
if (mii_ts)
phy->mii_ts = mii_ts;
- dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
- child, addr);
return 0;
}
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 491a2b7..0f61a4a 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -30,7 +30,9 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
extern int of_phy_register_fixed_link(struct device_node *np);
extern void of_phy_deregister_fixed_link(struct device_node *np);
extern bool of_phy_is_fixed_link(struct device_node *np);
-
+extern int of_mdiobus_phy_device_register(struct mii_bus *mdio,
+ struct phy_device *phy,
+ struct device_node *child, u32 addr);
static inline int of_mdio_parse_addr(struct device *dev,
const struct device_node *np)
@@ -118,6 +120,13 @@ static inline bool of_phy_is_fixed_link(struct device_node *np)
{
return false;
}
+
+static inline int of_mdiobus_phy_device_register(struct mii_bus *mdio,
+ struct phy_device *phy,
+ struct device_node *child, u32 addr)
+{
+ return -ENOSYS;
+}
#endif