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Date: Tue, 26 Nov 2013 17:51:52 +0800 From: <shh.xie@...il.com> To: <davem@...emloft.net>, <jg1.han@...sung.com>, <mugunthanvnm@...com>, <f.fainelli@...il.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> CC: <Emilian.Medve@...escale.com>, <madalin.bucur@...escale.com> Subject: [PATCH 1/5][v2] phylib: Add Clause 45 read/write functions From: Andy Fleming <afleming@...escale.com> Need an extra parameter to read or write Clause 45 PHYs, so need a different API with the extra parameter. Signed-off-by: Andy Fleming <afleming@...escale.com> Signed-off-by: Shaohui Xie <Shaohui.Xie@...escale.com> --- v2: no change. include/linux/phy.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/include/linux/phy.h b/include/linux/phy.h index 48a4dc3..2549b42 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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