From: Andy Fleming
You need an extra parameter to read or write Clause 45 PHYs, so
we need a different API with the extra parameter.
Signed-off-by: Andy Fleming
Signed-off-by: Shaohui Xie <shaohui....@freescale.com>
---
include/linux/phy.h | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 64ab823..684925a 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -498,6 +498,21 @@ static inline int phy_read(struct phy_device *phydev, u32
regnum)
}
/**
+ * phy_read_mmd - Convenience function for reading a register
+ * from an MMD on a given PHY.
+ * @phydev: The phy_device struct
+ * @devad: The MMD to read from
+ * @regnum: The register on the MMD to read
+ *
+ * Same rules as for phy_read();
+ */
+static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32
regnum)
+{
+ return mdiobus_read(phydev->bus, phydev->addr,
+ MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff));
+}
+
+/**
* phy_write - Convenience function for writing a given PHY register
* @phydev: the phy_device struct
* @regnum: register number to write
@@ -533,6 +548,24 @@ static inline bool phy_is_internal(struct phy_device
*phydev)
return phydev->is_internal;
}
+/**
+ * phy_write_mmd - Convenience function for writing a register
+ * on an MMD on a given PHY.
+ * @phydev: The phy_device struct
+ * @devad: The MMD to read from
+ * @regnum: The register on the MMD to read
+ * @val: value to write to @regnum
+ *
+ * Same rules as for phy_write();
+ */
+static inline int phy_write_mmd(struct phy_device *phydev, int devad,
+ u32 regnum, u16 val)
+{
+ regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
+
+ return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
+}
+
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);
--
1.8.4.1
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