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Date: Tue, 28 Sep 2021 12:19:36 +0800 From: Wong Vee Khee <vee.khee.wong@...ux.intel.com> To: Andrew Lunn <andrew@...n.ch>, Jose Abreu <Jose.Abreu@...opsys.com>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Vladimir Oltean <vladimir.oltean@....com>, Wong Vee Khee <veekhee@...il.com> Subject: [PATCH net-next 1/2] net: pcs: xpcs: introduce xpcs_modify() helper function In some cases we need to call mdiobus_modify() to avoid calling mdiobus_write() when it is not required. Introduce a xpcs_modify() helper function that allow us to call mdiobus_modify() in the pcs-xpcs module. Signed-off-by: Wong Vee Khee <vee.khee.wong@...ux.intel.com> --- drivers/net/pcs/pcs-xpcs.c | 9 +++++++++ drivers/net/pcs/pcs-xpcs.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index fb0a83dc09ac..da8c81d25edd 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -191,6 +191,15 @@ int xpcs_write(struct dw_xpcs *xpcs, int dev, u32 reg, u16 val) return mdiobus_write(bus, addr, reg_addr, val); } +int xpcs_modify(struct dw_xpcs *xpcs, int dev, u32 reg, u16 mask, u16 set) +{ + u32 reg_addr = mdiobus_c45_addr(dev, reg); + struct mii_bus *bus = xpcs->mdiodev->bus; + int addr = xpcs->mdiodev->addr; + + return mdiobus_modify(bus, addr, reg_addr, mask, set); +} + static int xpcs_read_vendor(struct dw_xpcs *xpcs, int dev, u32 reg) { return xpcs_read(xpcs, dev, DW_VENDOR | reg); diff --git a/drivers/net/pcs/pcs-xpcs.h b/drivers/net/pcs/pcs-xpcs.h index 35651d32a224..fdb870333395 100644 --- a/drivers/net/pcs/pcs-xpcs.h +++ b/drivers/net/pcs/pcs-xpcs.h @@ -109,6 +109,7 @@ int xpcs_read(struct dw_xpcs *xpcs, int dev, u32 reg); int xpcs_write(struct dw_xpcs *xpcs, int dev, u32 reg, u16 val); +int xpcs_modify(struct dw_xpcs *xpcs, int dev, u32 reg, u16 mask, u16 set); int nxp_sja1105_sgmii_pma_config(struct dw_xpcs *xpcs); int nxp_sja1110_sgmii_pma_config(struct dw_xpcs *xpcs); -- 2.25.1
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