net: dsa: microchip: move start of switch to ksz_setup

This patch move the setting the start bit from the individual switch
configuration to ksz_setup
Signed-off-by: NArun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz8795_reg.h

@@ -16,7 +16,6 @@
 
 #define SW_REVISION_M			0x0E
 #define SW_REVISION_S			1
-#define SW_START			0x01
 
 #define KSZ8863_REG_SW_RESET		0x43
 

drivers/net/dsa/microchip/ksz9477.c

@@ -1287,9 +1287,6 @@ static int ksz9477_setup(struct dsa_switch *ds)
 	/* enable global MIB counter freeze function */
 	ksz_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true);
 
-	/* start switch */
-	ksz_cfg(dev, REG_SW_OPERATION, SW_START, true);
-
 	return 0;
 }
 

drivers/net/dsa/microchip/ksz9477_reg.h

@@ -165,7 +165,6 @@
 
 #define SW_DOUBLE_TAG			BIT(7)
 #define SW_RESET			BIT(1)
-#define SW_START			BIT(0)
 
 #define REG_SW_MAC_ADDR_0		0x0302
 #define REG_SW_MAC_ADDR_1		0x0303

drivers/net/dsa/microchip/ksz_common.c

@@ -155,6 +155,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -190,6 +191,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -211,6 +213,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -231,6 +234,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
+		.start_ctrl_reg = 0x01,
 		.supports_mii = {false, false, true},
 		.supports_rmii = {false, false, true},
 		.internal_phy = {true, true, false},
@@ -251,6 +255,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, false},
 		.supports_rmii	= {false, false, false, false,
@@ -276,6 +281,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, true},
 		.supports_rmii	= {false, false, false, false,
@@ -300,6 +306,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, true},
 		.supports_rmii = {false, false, true},
 		.supports_rgmii = {false, false, true},
@@ -321,6 +328,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   false, true, true},
 		.supports_rmii	= {false, false, false, false,
@@ -345,6 +353,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, false, false, true},
 		.supports_rmii = {false, false, false, false, true},
 		.supports_rgmii = {false, false, false, false, true},
@@ -365,6 +374,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii = {false, false, false, false, true, true},
 		.supports_rmii = {false, false, false, false, true, true},
 		.supports_rgmii = {false, false, false, false, true, true},
@@ -385,6 +395,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -409,6 +420,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -433,6 +445,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.stp_ctrl_reg = 0x0B04,
 		.broadcast_ctrl_reg =  0x0332,
 		.multicast_ctrl_reg = 0x0331,
+		.start_ctrl_reg = 0x0300,
 		.supports_mii	= {false, false, false, false,
 				   true, true, false, false},
 		.supports_rmii	= {false, false, false, false,
@@ -672,6 +685,10 @@ int ksz_setup(struct dsa_switch *ds)
 			return ret;
 	}
 
+	/* start switch */
+	regmap_update_bits(dev->regmap[0], dev->info->start_ctrl_reg,
+			   SW_START, SW_START);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ksz_setup);

drivers/net/dsa/microchip/ksz_common.h

@@ -49,6 +49,7 @@ struct ksz_chip_data {
 	int stp_ctrl_reg;
 	int broadcast_ctrl_reg;
 	int multicast_ctrl_reg;
+	int start_ctrl_reg;
 	bool supports_mii[KSZ_MAX_NUM_PORTS];
 	bool supports_rmii[KSZ_MAX_NUM_PORTS];
 	bool supports_rgmii[KSZ_MAX_NUM_PORTS];
@@ -429,6 +430,8 @@ static inline void ksz_regmap_unlock(void *__mtx)
 
 #define MULTICAST_STORM_DISABLE		BIT(6)
 
+#define SW_START			0x01
+
 /* Regmap tables generation */
 #define KSZ_SPI_OP_RD		3
 #define KSZ_SPI_OP_WR		2