net: dsa: microchip: move ksz8->shifts to ksz_common

This patch moves ksz8->shifts from ksz8795.c to ksz_common.c. The shifts
are dereferenced using dev->info->shifts.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz8.h

@@ -12,20 +12,7 @@
 #include <net/dsa.h>
 #include "ksz_common.h"
 
-enum ksz_shifts {
-	VLAN_TABLE_MEMBERSHIP_S,
-	VLAN_TABLE,
-	STATIC_MAC_FWD_PORTS,
-	STATIC_MAC_FID,
-	DYNAMIC_MAC_ENTRIES_H,
-	DYNAMIC_MAC_ENTRIES,
-	DYNAMIC_MAC_FID,
-	DYNAMIC_MAC_TIMESTAMP,
-	DYNAMIC_MAC_SRC_PORT,
-};
-
 struct ksz8 {
-	const u8 *shifts;
 	void *priv;
 };
 

drivers/net/dsa/microchip/ksz8795.c

@@ -26,29 +26,6 @@
 #include "ksz8795_reg.h"
 #include "ksz8.h"
 
-static const u8 ksz8795_shifts[] = {
-	[VLAN_TABLE_MEMBERSHIP_S]	= 7,
-	[VLAN_TABLE]			= 16,
-	[STATIC_MAC_FWD_PORTS]		= 16,
-	[STATIC_MAC_FID]		= 24,
-	[DYNAMIC_MAC_ENTRIES_H]		= 3,
-	[DYNAMIC_MAC_ENTRIES]		= 29,
-	[DYNAMIC_MAC_FID]		= 16,
-	[DYNAMIC_MAC_TIMESTAMP]		= 27,
-	[DYNAMIC_MAC_SRC_PORT]		= 24,
-};
-
-static u8 ksz8863_shifts[] = {
-	[VLAN_TABLE_MEMBERSHIP_S]	= 16,
-	[STATIC_MAC_FWD_PORTS]		= 16,
-	[STATIC_MAC_FID]		= 22,
-	[DYNAMIC_MAC_ENTRIES_H]		= 3,
-	[DYNAMIC_MAC_ENTRIES]		= 24,
-	[DYNAMIC_MAC_FID]		= 16,
-	[DYNAMIC_MAC_TIMESTAMP]		= 24,
-	[DYNAMIC_MAC_SRC_PORT]		= 20,
-};
-
 static bool ksz_is_ksz88x3(struct ksz_device *dev)
 {
 	return dev->chip_id == 0x8830;
@@ -374,7 +351,6 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
 int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
 			 u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
 	const u8 *shifts;
 	const u32 *masks;
@@ -383,7 +359,7 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
 	u8 data;
 	int rc;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 	masks = dev->info->masks;
 	regs = dev->info->regs;
 
@@ -438,13 +414,12 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
 int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
 			 struct alu_struct *alu)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
 	const u8 *shifts;
 	const u32 *masks;
 	u64 data;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 	masks = dev->info->masks;
 
 	ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data);
@@ -477,13 +452,12 @@ int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
 void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
 			  struct alu_struct *alu)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	u32 data_hi, data_lo;
 	const u8 *shifts;
 	const u32 *masks;
 	u64 data;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 	masks = dev->info->masks;
 
 	data_lo = ((u32)alu->mac[2] << 24) |
@@ -510,11 +484,10 @@ void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
 static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
 			   u8 *member, u8 *valid)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	const u8 *shifts;
 	const u32 *masks;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 	masks = dev->info->masks;
 
 	*fid = vlan & masks[VLAN_TABLE_FID];
@@ -526,11 +499,10 @@ static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
 static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
 			 u16 *vlan)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	const u8 *shifts;
 	const u32 *masks;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 	masks = dev->info->masks;
 
 	*vlan = fid;
@@ -541,12 +513,11 @@ static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
 
 static void ksz8_r_vlan_entries(struct ksz_device *dev, u16 addr)
 {
-	struct ksz8 *ksz8 = dev->priv;
 	const u8 *shifts;
 	u64 data;
 	int i;
 
-	shifts = ksz8->shifts;
+	shifts = dev->info->shifts;
 
 	ksz8_r_table(dev, TABLE_VLAN, addr, &data);
 	addr *= 4;
@@ -1366,18 +1337,10 @@ u32 ksz8_get_port_addr(int port, int offset)
 
 int ksz8_switch_init(struct ksz_device *dev)
 {
-	struct ksz8 *ksz8 = dev->priv;
-
 	dev->cpu_port = fls(dev->info->cpu_ports) - 1;
 	dev->phy_port_cnt = dev->info->port_cnt - 1;
 	dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports;
 
-	if (ksz_is_ksz88x3(dev)) {
-		ksz8->shifts = ksz8863_shifts;
-	} else {
-		ksz8->shifts = ksz8795_shifts;
-	}
-
 	/* We rely on software untagging on the CPU port, so that we
 	 * can support both tagged and untagged VLANs
 	 */

drivers/net/dsa/microchip/ksz_common.c

@@ -240,6 +240,18 @@ static const u32 ksz8795_masks[] = {
 	[DYNAMIC_MAC_TABLE_TIMESTAMP]	= GENMASK(28, 27),
 };
 
+static const u8 ksz8795_shifts[] = {
+	[VLAN_TABLE_MEMBERSHIP_S]	= 7,
+	[VLAN_TABLE]			= 16,
+	[STATIC_MAC_FWD_PORTS]		= 16,
+	[STATIC_MAC_FID]		= 24,
+	[DYNAMIC_MAC_ENTRIES_H]		= 3,
+	[DYNAMIC_MAC_ENTRIES]		= 29,
+	[DYNAMIC_MAC_FID]		= 16,
+	[DYNAMIC_MAC_TIMESTAMP]		= 27,
+	[DYNAMIC_MAC_SRC_PORT]		= 24,
+};
+
 static const u8 ksz8863_regs[] = {
 	[REG_IND_CTRL_0]		= 0x79,
 	[REG_IND_DATA_8]		= 0x7B,
@@ -278,6 +290,17 @@ static const u32 ksz8863_masks[] = {
 	[DYNAMIC_MAC_TABLE_TIMESTAMP]	= GENMASK(23, 22),
 };
 
+static u8 ksz8863_shifts[] = {
+	[VLAN_TABLE_MEMBERSHIP_S]	= 16,
+	[STATIC_MAC_FWD_PORTS]		= 16,
+	[STATIC_MAC_FID]		= 22,
+	[DYNAMIC_MAC_ENTRIES_H]		= 3,
+	[DYNAMIC_MAC_ENTRIES]		= 24,
+	[DYNAMIC_MAC_FID]		= 16,
+	[DYNAMIC_MAC_TIMESTAMP]		= 24,
+	[DYNAMIC_MAC_SRC_PORT]		= 20,
+};
+
 const struct ksz_chip_data ksz_switch_chips[] = {
 	[KSZ8795] = {
 		.chip_id = KSZ8795_CHIP_ID,
@@ -294,6 +317,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.regs = ksz8795_regs,
 		.masks = ksz8795_masks,
+		.shifts = ksz8795_shifts,
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
@@ -333,6 +357,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.regs = ksz8795_regs,
 		.masks = ksz8795_masks,
+		.shifts = ksz8795_shifts,
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
@@ -358,6 +383,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.regs = ksz8795_regs,
 		.masks = ksz8795_masks,
+		.shifts = ksz8795_shifts,
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,
@@ -382,6 +408,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.reg_mib_cnt = MIB_COUNTER_NUM,
 		.regs = ksz8863_regs,
 		.masks = ksz8863_masks,
+		.shifts = ksz8863_shifts,
 		.stp_ctrl_reg = 0x02,
 		.broadcast_ctrl_reg =  0x06,
 		.multicast_ctrl_reg = 0x04,

drivers/net/dsa/microchip/ksz_common.h

@@ -49,6 +49,7 @@ struct ksz_chip_data {
 	u8 reg_mib_cnt;
 	const u8 *regs;
 	const u32 *masks;
+	const u8 *shifts;
 	int stp_ctrl_reg;
 	int broadcast_ctrl_reg;
 	int multicast_ctrl_reg;
@@ -187,6 +188,18 @@ enum ksz_masks {
 	DYNAMIC_MAC_TABLE_TIMESTAMP,
 };
 
+enum ksz_shifts {
+	VLAN_TABLE_MEMBERSHIP_S,
+	VLAN_TABLE,
+	STATIC_MAC_FWD_PORTS,
+	STATIC_MAC_FID,
+	DYNAMIC_MAC_ENTRIES_H,
+	DYNAMIC_MAC_ENTRIES,
+	DYNAMIC_MAC_FID,
+	DYNAMIC_MAC_TIMESTAMP,
+	DYNAMIC_MAC_SRC_PORT,
+};
+
 struct alu_struct {
 	/* entry 1 */
 	u8	is_static:1;