tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Oleksij Rempel
and committed by
David S. Miller
5972157c
8f469506
+55
-35
+45
-34
drivers/of/of_mdio.c
+45
-34
drivers/of/of_mdio.c
···
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return register_mii_timestamper(arg.np, arg.args[0]);
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}
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int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
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struct device_node *child, u32 addr)
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{
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int rc;
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rc = of_irq_get(child, 0);
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if (rc == -EPROBE_DEFER)
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return rc;
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if (rc > 0) {
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phy->irq = rc;
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mdio->irq[addr] = rc;
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} else {
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phy->irq = mdio->irq[addr];
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}
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if (of_property_read_bool(child, "broken-turn-around"))
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mdio->phy_ignore_ta_mask |= 1 << addr;
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of_property_read_u32(child, "reset-assert-us",
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&phy->mdio.reset_assert_delay);
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of_property_read_u32(child, "reset-deassert-us",
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&phy->mdio.reset_deassert_delay);
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/* Associate the OF node with the device structure so it
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* can be looked up later */
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of_node_get(child);
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phy->mdio.dev.of_node = child;
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phy->mdio.dev.fwnode = of_fwnode_handle(child);
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/* All data is now stored in the phy struct;
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* register it */
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rc = phy_device_register(phy);
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if (rc) {
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of_node_put(child);
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return rc;
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}
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dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
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child, addr);
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return 0;
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}
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EXPORT_SYMBOL(of_mdiobus_phy_device_register);
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static int of_mdiobus_register_phy(struct mii_bus *mdio,
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struct device_node *child, u32 addr)
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{
···
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return PTR_ERR(phy);
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}
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-
rc = of_irq_get(child, 0);
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if (rc == -EPROBE_DEFER) {
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-
if (mii_ts)
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unregister_mii_timestamper(mii_ts);
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phy_device_free(phy);
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return rc;
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}
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if (rc > 0) {
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phy->irq = rc;
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mdio->irq[addr] = rc;
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} else {
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phy->irq = mdio->irq[addr];
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}
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if (of_property_read_bool(child, "broken-turn-around"))
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mdio->phy_ignore_ta_mask |= 1 << addr;
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-
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of_property_read_u32(child, "reset-assert-us",
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&phy->mdio.reset_assert_delay);
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of_property_read_u32(child, "reset-deassert-us",
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&phy->mdio.reset_deassert_delay);
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-
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/* Associate the OF node with the device structure so it
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* can be looked up later */
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of_node_get(child);
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phy->mdio.dev.of_node = child;
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phy->mdio.dev.fwnode = of_fwnode_handle(child);
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/* All data is now stored in the phy struct;
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* register it */
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rc = phy_device_register(phy);
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rc = of_mdiobus_phy_device_register(mdio, phy, child, addr);
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if (rc) {
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if (mii_ts)
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unregister_mii_timestamper(mii_ts);
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phy_device_free(phy);
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-
of_node_put(child);
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return rc;
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}
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···
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if (mii_ts)
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phy->mii_ts = mii_ts;
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dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
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child, addr);
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return 0;
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}
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+10
-1
include/linux/of_mdio.h
+10
-1
include/linux/of_mdio.h
···
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extern int of_phy_register_fixed_link(struct device_node *np);
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extern void of_phy_deregister_fixed_link(struct device_node *np);
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extern bool of_phy_is_fixed_link(struct device_node *np);
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-
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extern int of_mdiobus_phy_device_register(struct mii_bus *mdio,
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struct phy_device *phy,
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struct device_node *child, u32 addr);
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static inline int of_mdio_parse_addr(struct device *dev,
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const struct device_node *np)
···
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static inline bool of_phy_is_fixed_link(struct device_node *np)
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{
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return false;
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}
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static inline int of_mdiobus_phy_device_register(struct mii_bus *mdio,
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struct phy_device *phy,
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struct device_node *child, u32 addr)
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{
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return -ENOSYS;
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}
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#endif
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