drivers: net: ethernet: cpsw: change cpts_active_slave to active_slave

Change cpts_active_slave to active_slave so that the same DT property
can be used to ethtool and SIOCGMIIPHY.

CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/cpsw.txt

@@ -15,7 +15,8 @@ Required properties:
 - mac_control		: Specifies Default MAC control register content
 			  for the specific platform
 - slaves		: Specifies number for slaves
-- cpts_active_slave	: Specifies the slave to use for time stamping
+- active_slave		: Specifies the slave to use for time stamping,
+			  ethtool and SIOCGMIIPHY
 - cpts_clock_mult	: Numerator to convert input clock ticks into nanoseconds
 - cpts_clock_shift	: Denominator to convert input clock ticks into nanoseconds
 
@@ -52,7 +53,7 @@ Examples:
 		rx_descs = <64>;
 		mac_control = <0x20>;
 		slaves = <2>;
-		cpts_active_slave = <0>;
+		active_slave = <0>;
 		cpts_clock_mult = <0x80000000>;
 		cpts_clock_shift = <29>;
 		cpsw_emac0: slave@0 {
@@ -78,7 +79,7 @@ Examples:
 		rx_descs = <64>;
 		mac_control = <0x20>;
 		slaves = <2>;
-		cpts_active_slave = <0>;
+		active_slave = <0>;
 		cpts_clock_mult = <0x80000000>;
 		cpts_clock_shift = <29>;
 		cpsw_emac0: slave@0 {

arch/arm/boot/dts/am33xx.dtsi

@@ -349,7 +349,7 @@
 			rx_descs = <64>;
 			mac_control = <0x20>;
 			slaves = <2>;
-			cpts_active_slave = <0>;
+			active_slave = <0>;
 			cpts_clock_mult = <0x80000000>;
 			cpts_clock_shift = <29>;
 			reg = <0x4a100000 0x800

drivers/net/ethernet/ti/cpsw.c

@@ -942,7 +942,7 @@ static void cpsw_ndo_change_rx_flags(struct net_device *ndev, int flags)
 
 static void cpsw_hwtstamp_v1(struct cpsw_priv *priv)
 {
-	struct cpsw_slave *slave = &priv->slaves[priv->data.cpts_active_slave];
+	struct cpsw_slave *slave = &priv->slaves[priv->data.active_slave];
 	u32 ts_en, seq_id;
 
 	if (!priv->cpts->tx_enable && !priv->cpts->rx_enable) {
@@ -971,7 +971,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv)
 	if (priv->data.dual_emac)
 		slave = &priv->slaves[priv->emac_port];
 	else
-		slave = &priv->slaves[priv->data.cpts_active_slave];
+		slave = &priv->slaves[priv->data.active_slave];
 
 	ctrl = slave_read(slave, CPSW2_CONTROL);
 	ctrl &= ~CTRL_ALL_TS_MASK;
@@ -1282,12 +1282,12 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
 	}
 	data->slaves = prop;
 
-	if (of_property_read_u32(node, "cpts_active_slave", &prop)) {
-		pr_err("Missing cpts_active_slave property in the DT.\n");
+	if (of_property_read_u32(node, "active_slave", &prop)) {
+		pr_err("Missing active_slave property in the DT.\n");
 		ret = -EINVAL;
 		goto error_ret;
 	}
-	data->cpts_active_slave = prop;
+	data->active_slave = prop;
 
 	if (of_property_read_u32(node, "cpts_clock_mult", &prop)) {
 		pr_err("Missing cpts_clock_mult property in the DT.\n");

include/linux/platform_data/cpsw.h

@@ -30,7 +30,7 @@ struct cpsw_platform_data {
 	u32	channels;	/* number of cpdma channels (symmetric) */
 	u32	slaves;		/* number of slave cpgmac ports */
 	struct cpsw_slave_data	*slave_data;
-	u32	cpts_active_slave; /* time stamping slave */
+	u32	active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
 	u32	cpts_clock_mult;  /* convert input clock ticks to nanoseconds */
 	u32	cpts_clock_shift; /* convert input clock ticks to nanoseconds */
 	u32	ale_entries;	/* ale table size */