1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 9e11039dd7a3..8e4bc8ab692d 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -508,6 +508,18 @@ static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
         return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
 }
 
+/**
+ * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
+ * @phydev: the phy_device struct
+ *
+ * NOTE: must be kept in sync with addition/removal of PHY_POLL and
+ * PHY_IGNORE_INTERRUPT
+ */
+static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
+{
+        return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
+}
+
 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
                 bool is_c45, struct phy_c45_device_ids *c45_ids);
 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);