This function will be needed for genphy_c45_ethtool_get_eee() provided
by next patch.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/phy/phy.c | 4 ++--
 include/linux/phy.h   | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 3378ca4f49b6..41cfb24c48c1 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c

@@ -242,11 +242,11 @@ unsigned int phy_supported_speeds(struct phy_device *phy,
  *
  * Description: Returns true if there is a valid setting, false otherwise.
  */
-static inline bool phy_check_valid(int speed, int duplex,
-				   unsigned long *features)
+bool phy_check_valid(int speed, int duplex, unsigned long *features)
 {
 	return !!phy_lookup_setting(speed, duplex, features, true);
 }
+EXPORT_SYMBOL(phy_check_valid);
 
 /**
  * phy_sanitize_settings - make sure the PHY is set to supported speed and duplex

diff --git a/include/linux/phy.h b/include/linux/phy.h
index c183a8a27986..7a8e541de3f3 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h

@@ -1619,6 +1619,7 @@ int phy_start_aneg(struct phy_device *phydev);
 int phy_aneg_done(struct phy_device *phydev);
 int phy_speed_down(struct phy_device *phydev, bool sync);
 int phy_speed_up(struct phy_device *phydev);
+bool phy_check_valid(int speed, int duplex, unsigned long *features);
 
 int phy_restart_aneg(struct phy_device *phydev);
 int phy_reset_after_clk_enable(struct phy_device *phydev);