ar8216: introduce ar8xxx_reg_clear complementing ar8xxx_reg_set

Introduce ar8xxx_reg_clear complementing ar8xxx_reg_set.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

SVN-Revision: 44004

target/linux/generic/files/drivers/net/phy/ar8216.c

@@ -957,13 +957,11 @@ ar8216_set_mirror_regs(struct ar8xxx_priv *priv)
 		   AR8216_GLOBAL_CPUPORT_MIRROR_PORT,
 		   (0xF << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S));
 	for (port = 0; port < AR8216_NUM_PORTS; port++) {
-		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
-			   AR8216_PORT_CTRL_MIRROR_RX,
-			   0);
+		ar8xxx_reg_clear(priv, AR8216_REG_PORT_CTRL(port),
+			   AR8216_PORT_CTRL_MIRROR_RX);
 
-		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
-			   AR8216_PORT_CTRL_MIRROR_TX,
-			   0);
+		ar8xxx_reg_clear(priv, AR8216_REG_PORT_CTRL(port),
+			   AR8216_PORT_CTRL_MIRROR_TX);
 	}
 
 	/* now enable mirroring if necessary */

target/linux/generic/files/drivers/net/phy/ar8216.h

@@ -536,4 +536,10 @@ ar8xxx_reg_set(struct ar8xxx_priv *priv, int reg, u32 val)
 	ar8xxx_rmw(priv, reg, 0, val);
 }
 
+static inline void
+ar8xxx_reg_clear(struct ar8xxx_priv *priv, int reg, u32 val)
+{
+	ar8xxx_rmw(priv, reg, val, 0);
+}
+
 #endif

target/linux/generic/files/drivers/net/phy/ar8327.c

@@ -865,13 +865,11 @@ ar8327_set_mirror_regs(struct ar8xxx_priv *priv)
 		   AR8327_FWD_CTRL0_MIRROR_PORT,
 		   (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S));
 	for (port = 0; port < AR8327_NUM_PORTS; port++) {
-		ar8xxx_rmw(priv, AR8327_REG_PORT_LOOKUP(port),
-			   AR8327_PORT_LOOKUP_ING_MIRROR_EN,
-			   0);
+		ar8xxx_reg_clear(priv, AR8327_REG_PORT_LOOKUP(port),
+			   AR8327_PORT_LOOKUP_ING_MIRROR_EN);
 
-		ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(port),
-			   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN,
-			   0);
+		ar8xxx_reg_clear(priv, AR8327_REG_PORT_HOL_CTRL1(port),
+			   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN);
 	}
 
 	/* now enable mirroring if necessary */