From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from db8outboundpool.messaging.microsoft.com (mail-db8lp0188.outbound.messaging.microsoft.com [213.199.154.188]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "MSIT Machine Auth CA 2" (not verified)) by ozlabs.org (Postfix) with ESMTPS id D33952C0097 for ; Mon, 11 Nov 2013 23:21:38 +1100 (EST) From: To: , Subject: [PATCH 1/4] phylib: Add Clause 45 read/write functions Date: Mon, 11 Nov 2013 19:04:02 +0800 Message-ID: <1384167864-2457-1-git-send-email-shh.xie@gmail.com> MIME-Version: 1.0 Content-Type: text/plain Cc: Shruti@freescale.com, Shaohui Xie , madalin.bucur@freescale.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- 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