Expose the direct mdiobus read and write functions. These will be needed
to refactor the SIOCGMIIREG and SIOCSMIIREG IOCTLs to fallback to
indirect C45 access if needed.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/net/phy/phy-core.c | 10 ++++++----
include/linux/phy.h | 12 ++++++++++++
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 1f98b6a96c15..2845294053eb 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -542,8 +542,8 @@ static void mmd_phy_indirect(struct mii_bus *bus, int phy_addr, int devad,
devad | MII_MMD_CTRL_NOINCR);
}
-static int mmd_phy_read(struct mii_bus *bus, int phy_addr, bool is_c45,
- int devad, u32 regnum)
+int mmd_phy_read(struct mii_bus *bus, int phy_addr, bool is_c45,
+ int devad, u32 regnum)
{
if (is_c45)
return __mdiobus_c45_read(bus, phy_addr, devad, regnum);
@@ -552,9 +552,10 @@ static int mmd_phy_read(struct mii_bus *bus, int phy_addr, bool is_c45,
/* Read the content of the MMD's selected register */
return __mdiobus_read(bus, phy_addr, MII_MMD_DATA);
}
+EXPORT_SYMBOL(mmd_phy_read);
-static int mmd_phy_write(struct mii_bus *bus, int phy_addr, bool is_c45,
- int devad, u32 regnum, u16 val)
+int mmd_phy_write(struct mii_bus *bus, int phy_addr, bool is_c45,
+ int devad, u32 regnum, u16 val)
{
if (is_c45)
return __mdiobus_c45_write(bus, phy_addr, devad, regnum, val);
@@ -563,6 +564,7 @@ static int mmd_phy_write(struct mii_bus *bus, int phy_addr, bool is_c45,
/* Write the data into MMD's selected register */
return __mdiobus_write(bus, phy_addr, MII_MMD_DATA, val);
}
+EXPORT_SYMBOL(mmd_phy_write);
/**
* __phy_read_mmd - Convenience function for reading a register
diff --git a/include/linux/phy.h b/include/linux/phy.h
index a98bc91a0cde..10af3e3711fa 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1402,6 +1402,18 @@ int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum);
__ret; \
})
+/*
+ * mmd_phy_read - Convenience function for direct mdiobus read.
+ */
+int mmd_phy_read(struct mii_bus *bus, int phy_addr, bool is_c45, int devad,
+ u32 regnum);
+
+/*
+ * mmd_phy_write - Convenience function for direct mdiobus write.
+ */
+int mmd_phy_write(struct mii_bus *bus, int phy_addr, bool is_c45,
+ int devad, u32 regnum, u16 val);
+
/*
* __phy_read_mmd - Convenience function for reading a register
* from an MMD on a given PHY.
--
2.46.0
