hwmon: (lm85) Drop dead code

Drop a lot of useless register defines, conversion macros, data structure
members and update code. All these register values were read from the
device but nothing is done out of them, so this is all dead code in
practice.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

1 files changed, 2 insertions, 80 deletions

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 0c0fede..0d31435 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -56,16 +56,9 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
 
 #define	LM85_REG_PWM(nr)		(0x30 + (nr))
 
-#define	ADT7463_REG_OPPOINT(nr)		(0x33 + (nr))
-
-#define	ADT7463_REG_TMIN_CTL1		0x36
-#define	ADT7463_REG_TMIN_CTL2		0x37
-
-#define	LM85_REG_DEVICE			0x3d
 #define	LM85_REG_COMPANY		0x3e
 #define	LM85_REG_VERSTEP		0x3f
 /* These are the recognized values for the above regs */
-#define	LM85_DEVICE_ADX			0x27
 #define	LM85_COMPANY_NATIONAL		0x01
 #define	LM85_COMPANY_ANALOG_DEV		0x41
 #define	LM85_COMPANY_SMSC		0x5c
@@ -91,27 +84,14 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
 #define	LM85_REG_AFAN_CONFIG(nr)	(0x5c + (nr))
 #define	LM85_REG_AFAN_RANGE(nr)		(0x5f + (nr))
 #define	LM85_REG_AFAN_SPIKE1		0x62
-#define	LM85_REG_AFAN_SPIKE2		0x63
 #define	LM85_REG_AFAN_MINPWM(nr)	(0x64 + (nr))
 #define	LM85_REG_AFAN_LIMIT(nr)		(0x67 + (nr))
 #define	LM85_REG_AFAN_CRITICAL(nr)	(0x6a + (nr))
 #define	LM85_REG_AFAN_HYST1		0x6d
 #define	LM85_REG_AFAN_HYST2		0x6e
 
-#define	LM85_REG_TACH_MODE		0x74
-#define	LM85_REG_SPINUP_CTL		0x75
-
-#define	ADM1027_REG_TEMP_OFFSET(nr)	(0x70 + (nr))
-#define	ADM1027_REG_CONFIG2		0x73
-#define	ADM1027_REG_INTMASK1		0x74
-#define	ADM1027_REG_INTMASK2		0x75
 #define	ADM1027_REG_EXTEND_ADC1		0x76
 #define	ADM1027_REG_EXTEND_ADC2		0x77
-#define	ADM1027_REG_CONFIG3		0x78
-#define	ADM1027_REG_FAN_PPR		0x7b
-
-#define	ADT7463_REG_THERM		0x79
-#define	ADT7463_REG_THERM_LIMIT		0x7A
 
 #define EMC6D100_REG_ALARM3             0x7d
 /* IN5, IN6 and IN7 */
@@ -263,13 +243,6 @@ static int ZONE_TO_REG(int zone)
 #define HYST_TO_REG(val)	SENSORS_LIMIT(((val) + 500) / 1000, 0, 15)
 #define HYST_FROM_REG(val)	((val) * 1000)
 
-#define OFFSET_TO_REG(val)	SENSORS_LIMIT((val) / 25, -127, 127)
-#define OFFSET_FROM_REG(val)	((val) * 25)
-
-#define PPR_MASK(fan)		(0x03 << ((fan) * 2))
-#define PPR_TO_REG(val, fan)	(SENSORS_LIMIT((val) - 1, 0, 3) << ((fan) * 2))
-#define PPR_FROM_REG(val, fan)	((((val) >> ((fan) * 2)) & 0x03) + 1)
-
 /* Chip sampling rates
  *
  * Some sensors are not updated more frequently than once per second
@@ -330,23 +303,15 @@ struct lm85_data {
 	s8 temp[3];		/* Register value */
 	s8 temp_min[3];		/* Register value */
 	s8 temp_max[3];		/* Register value */
-	s8 temp_offset[3];	/* Register value */
 	u16 fan[4];		/* Register value */
 	u16 fan_min[4];		/* Register value */
 	u8 pwm[3];		/* Register value */
-	u8 spinup_ctl;		/* Register encoding, combined */
-	u8 tach_mode;		/* Register encoding, combined */
 	u8 temp_ext[3];		/* Decoded values */
 	u8 in_ext[8];		/* Decoded values */
-	u8 fan_ppr;		/* Register value */
-	u8 smooth[3];		/* Register encoding */
+	u8 smooth[1];		/* Register encoding */
 	u8 vid;			/* Register value */
 	u8 vrm;			/* VRM version */
 	u8 syncpwm3;		/* Saved PWM3 for TACH 2,3,4 config */
-	u8 oppoint[3];		/* Register value */
-	u16 tmin_ctl;		/* Register value */
-	unsigned long therm_total; /* Cummulative therm count */
-	u8 therm_limit;		/* Register value */
 	u32 alarms;		/* Register encoding, combined */
 	struct lm85_autofan autofan[3];
 	struct lm85_zone zone[3];
@@ -1335,10 +1300,6 @@ static int lm85_read_value(struct i2c_client *client, u8 reg)
 		res = i2c_smbus_read_byte_data(client, reg) & 0xff;
 		res |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
 		break;
-	case ADT7463_REG_TMIN_CTL1:  /* Read WORD MSB, LSB */
-		res = i2c_smbus_read_byte_data(client, reg) << 8;
-		res |= i2c_smbus_read_byte_data(client, reg + 1) & 0xff;
-		break;
 	default:	/* Read BYTE data */
 		res = i2c_smbus_read_byte_data(client, reg);
 		break;
@@ -1365,11 +1326,6 @@ static int lm85_write_value(struct i2c_client *client, u8 reg, int value)
 		res |= i2c_smbus_write_byte_data(client, reg + 1,
 						 (value >> 8) & 0xff);
 		break;
-	case ADT7463_REG_TMIN_CTL1:  /* Write WORD MSB, LSB */
-		res = i2c_smbus_write_byte_data(client, reg,
-						(value >> 8) & 0xff);
-		res |= i2c_smbus_write_byte_data(client, reg + 1, value & 0xff);
-		break;
 	default:	/* Write BYTE data */
 		res = i2c_smbus_write_byte_data(client, reg, value);
 		break;
@@ -1483,12 +1439,7 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 
 		data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
 
-		if (data->type == adt7463) {
-			if (data->therm_total < ULONG_MAX - 256) {
-			    data->therm_total +=
-				lm85_read_value(client, ADT7463_REG_THERM);
-			}
-		} else if (data->type == emc6d100) {
+		if (data->type == emc6d100) {
 			/* Three more voltage sensors */
 			for (i = 5; i <= 7; ++i) {
 				data->in[i] = lm85_read_value(client,
@@ -1585,9 +1536,6 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 		data->autofan[0].min_off = (i & 0x20) != 0;
 		data->autofan[1].min_off = (i & 0x40) != 0;
 		data->autofan[2].min_off = (i & 0x80) != 0;
-		i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2);
-		data->smooth[1] = (i >> 4) & 0x0f;
-		data->smooth[2] = i & 0x0f;
 
 		i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
 		data->zone[0].hyst = (i >> 4) & 0x0f;
@@ -1596,32 +1544,6 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 		i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
 		data->zone[2].hyst = (i >> 4) & 0x0f;
 
-		if (data->type == lm85b || data->type == lm85c) {
-			data->tach_mode = lm85_read_value(client,
-				LM85_REG_TACH_MODE);
-			data->spinup_ctl = lm85_read_value(client,
-				LM85_REG_SPINUP_CTL);
-		} else if (data->type == adt7463 || data->type == adm1027) {
-			if (data->type == adt7463) {
-				for (i = 0; i <= 2; ++i) {
-				    data->oppoint[i] = lm85_read_value(client,
-					ADT7463_REG_OPPOINT(i));
-				}
-				data->tmin_ctl = lm85_read_value(client,
-					ADT7463_REG_TMIN_CTL1);
-				data->therm_limit = lm85_read_value(client,
-					ADT7463_REG_THERM_LIMIT);
-			}
-			for (i = 0; i <= 2; ++i) {
-				data->temp_offset[i] = lm85_read_value(client,
-						ADM1027_REG_TEMP_OFFSET(i));
-			}
-			data->tach_mode = lm85_read_value(client,
-				ADM1027_REG_CONFIG3);
-			data->fan_ppr = lm85_read_value(client,
-				ADM1027_REG_FAN_PPR);
-		}
-
 		data->last_config = jiffies;
 	}  /* last_config */