This function was added to the mainline Linux kernel in commit 7f854420
"phy: Add API for {un}registering an mdio device to a bus."
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/phy.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/backport/backport-include/linux/phy.h b/backport/backport-include/linux/phy.h
index 739a831..3491f5a 100644
--- a/backport/backport-include/linux/phy.h
+++ b/backport/backport-include/linux/phy.h
@@ -14,6 +14,12 @@ static inline const char *phydev_name(const struct phy_device *phydev)
{
return dev_name(&phydev->dev);
}
+
+#define mdiobus_is_registered_device LINUX_BACKPORT(mdiobus_is_registered_device)
+static inline bool mdiobus_is_registered_device(struct mii_bus *bus, int addr)
+{
+ return bus->phy_map[addr];
+}
#endif /* < 4.5 */
#endif /* __BACKPORT_LINUX_PHY_H */
--
2.7.0
--
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