linux-kernel - [PATCH net-next v2 2/3] net: mdio: mscc-miim: replace magic numbers for the bus reset

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Message-Id: <20220313002536.13068-3-michael@walle.cc>
Date:   Sun, 13 Mar 2022 01:25:35 +0100
From:   Michael Walle <michael@...le.cc>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Michael Walle <michael@...le.cc>
Subject: [PATCH net-next v2 2/3] net: mdio: mscc-miim: replace magic numbers for the bus reset

Replace the magic numbers by macros which are already defined. It seems
the original commit missed to use them.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 drivers/net/mdio/mdio-mscc-miim.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c
index 64fb76c1e395..7773d5019e66 100644
--- a/drivers/net/mdio/mdio-mscc-miim.c
+++ b/drivers/net/mdio/mdio-mscc-miim.c
@@ -158,18 +158,18 @@ static int mscc_miim_reset(struct mii_bus *bus)
 {
 	struct mscc_miim_dev *miim = bus->priv;
 	int offset = miim->phy_reset_offset;
+	int mask = PHY_CFG_PHY_ENA | PHY_CFG_PHY_COMMON_RESET |
+		   PHY_CFG_PHY_RESET;
 	int ret;
 
 	if (miim->phy_regs) {
-		ret = regmap_write(miim->phy_regs,
-				   MSCC_PHY_REG_PHY_CFG + offset, 0);
+		ret = regmap_write(miim->phy_regs, offset, 0);
 		if (ret < 0) {
 			WARN_ONCE(1, "mscc reset set error %d\n", ret);
 			return ret;
 		}
 
-		ret = regmap_write(miim->phy_regs,
-				   MSCC_PHY_REG_PHY_CFG + offset, 0x1ff);
+		ret = regmap_write(miim->phy_regs, offset, mask);
 		if (ret < 0) {
 			WARN_ONCE(1, "mscc reset clear error %d\n", ret);
 			return ret;
@@ -272,7 +272,7 @@ static int mscc_miim_probe(struct platform_device *pdev)
 
 	miim = bus->priv;
 	miim->phy_regs = phy_regmap;
-	miim->phy_reset_offset = 0;
+	miim->phy_reset_offset = MSCC_PHY_REG_PHY_CFG;
 
 	ret = of_mdiobus_register(bus, pdev->dev.of_node);
 	if (ret < 0) {
-- 
2.30.2