linux-kernel - [RFC net-next v2 2/5] net: phy: introduce mdiobus_get_mdio

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Date:   Thu, 29 Aug 2019 01:47:19 +0800
From:   Ong Boon Leong <boon.leong.ong@...el.com>
To:     davem@...emloft.net, linux@...linux.org.uk,
        mcoquelin.stm32@...il.com, joabreu@...opsys.com,
        f.fainelli@...il.com, andrew@...n.ch
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        peppe.cavallaro@...com, alexandre.torgue@...com,
        weifeng.voon@...el.com
Subject: [RFC net-next v2 2/5] net: phy: introduce mdiobus_get_mdio_device

Add the function to get mdio_device based on the mdio addr.

Signed-off-by: Ong Boon Leong <boon.leong.ong@...el.com>
---
 drivers/net/phy/mdio_bus.c | 6 ++++++
 include/linux/mdio.h       | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 06658d9197a1..96ef94f87ff1 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -130,6 +130,12 @@ struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr)
 }
 EXPORT_SYMBOL(mdiobus_get_phy);
 
+struct mdio_device *mdiobus_get_mdio_device(struct mii_bus *bus, int addr)
+{
+	return bus->mdio_map[addr];
+}
+EXPORT_SYMBOL(mdiobus_get_mdio_device);
+
 bool mdiobus_is_registered_device(struct mii_bus *bus, int addr)
 {
 	return bus->mdio_map[addr];
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index e8242ad88c81..e0ccd56a7ac0 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -315,6 +315,7 @@ int mdiobus_register_device(struct mdio_device *mdiodev);
 int mdiobus_unregister_device(struct mdio_device *mdiodev);
 bool mdiobus_is_registered_device(struct mii_bus *bus, int addr);
 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr);
+struct mdio_device *mdiobus_get_mdio_device(struct mii_bus *bus, int addr);
 
 /**
  * mdio_module_driver() - Helper macro for registering mdio drivers
-- 
2.17.0