1 files changed, 0 insertions, 189 deletions

diff --git a/drivers/hwmon/pmbus/ir35221.c b/drivers/hwmon/pmbus/ir35221.c
index 8b906b44484b..977315b0fd90 100644
--- a/drivers/hwmon/pmbus/ir35221.c
+++ b/drivers/hwmon/pmbus/ir35221.c
@@ -25,168 +25,19 @@
 #define IR35221_MFR_IOUT_VALLEY		0xcb
 #define IR35221_MFR_TEMP_VALLEY		0xcc
 
-static long ir35221_reg2data(int data, enum pmbus_sensor_classes class)
-{
-	s16 exponent;
-	s32 mantissa;
-	long val;
-
-	/* We only modify LINEAR11 formats */
-	exponent = ((s16)data) >> 11;
-	mantissa = ((s16)((data & 0x7ff) << 5)) >> 5;
-
-	val = mantissa * 1000L;
-
-	/* scale result to micro-units for power sensors */
-	if (class == PSC_POWER)
-		val = val * 1000L;
-
-	if (exponent >= 0)
-		val <<= exponent;
-	else
-		val >>= -exponent;
-
-	return val;
-}
-
-#define MAX_MANTISSA	(1023 * 1000)
-#define MIN_MANTISSA	(511 * 1000)
-
-static u16 ir35221_data2reg(long val, enum pmbus_sensor_classes class)
-{
-	s16 exponent = 0, mantissa;
-	bool negative = false;
-
-	if (val == 0)
-		return 0;
-
-	if (val < 0) {
-		negative = true;
-		val = -val;
-	}
-
-	/* Power is in uW. Convert to mW before converting. */
-	if (class == PSC_POWER)
-		val = DIV_ROUND_CLOSEST(val, 1000L);
-
-	/* Reduce large mantissa until it fits into 10 bit */
-	while (val >= MAX_MANTISSA && exponent < 15) {
-		exponent++;
-		val >>= 1;
-	}
-	/* Increase small mantissa to improve precision */
-	while (val < MIN_MANTISSA && exponent > -15) {
-		exponent--;
-		val <<= 1;
-	}
-
-	/* Convert mantissa from milli-units to units */
-	mantissa = DIV_ROUND_CLOSEST(val, 1000);
-
-	/* Ensure that resulting number is within range */
-	if (mantissa > 0x3ff)
-		mantissa = 0x3ff;
-
-	/* restore sign */
-	if (negative)
-		mantissa = -mantissa;
-
-	/* Convert to 5 bit exponent, 11 bit mantissa */
-	return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800);
-}
-
-static u16 ir35221_scale_result(s16 data, int shift,
-				enum pmbus_sensor_classes class)
-{
-	long val;
-
-	val = ir35221_reg2data(data, class);
-
-	if (shift < 0)
-		val >>= -shift;
-	else
-		val <<= shift;
-
-	return ir35221_data2reg(val, class);
-}
-
 static int ir35221_read_word_data(struct i2c_client *client, int page, int reg)
 {
 	int ret;
 
 	switch (reg) {
-	case PMBUS_IOUT_OC_FAULT_LIMIT:
-	case PMBUS_IOUT_OC_WARN_LIMIT:
-		ret = pmbus_read_word_data(client, page, reg);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, 1, PSC_CURRENT_OUT);
-		break;
-	case PMBUS_VIN_OV_FAULT_LIMIT:
-	case PMBUS_VIN_OV_WARN_LIMIT:
-	case PMBUS_VIN_UV_WARN_LIMIT:
-		ret = pmbus_read_word_data(client, page, reg);
-		ret = ir35221_scale_result(ret, -4, PSC_VOLTAGE_IN);
-		break;
-	case PMBUS_IIN_OC_WARN_LIMIT:
-		ret = pmbus_read_word_data(client, page, reg);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -1, PSC_CURRENT_IN);
-		break;
-	case PMBUS_READ_VIN:
-		ret = pmbus_read_word_data(client, page, PMBUS_READ_VIN);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -5, PSC_VOLTAGE_IN);
-		break;
-	case PMBUS_READ_IIN:
-		ret = pmbus_read_word_data(client, page, PMBUS_READ_IIN);
-		if (ret < 0)
-			break;
-		if (page == 0)
-			ret = ir35221_scale_result(ret, -4, PSC_CURRENT_IN);
-		else
-			ret = ir35221_scale_result(ret, -5, PSC_CURRENT_IN);
-		break;
-	case PMBUS_READ_POUT:
-		ret = pmbus_read_word_data(client, page, PMBUS_READ_POUT);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -1, PSC_POWER);
-		break;
-	case PMBUS_READ_PIN:
-		ret = pmbus_read_word_data(client, page, PMBUS_READ_PIN);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -1, PSC_POWER);
-		break;
-	case PMBUS_READ_IOUT:
-		ret = pmbus_read_word_data(client, page, PMBUS_READ_IOUT);
-		if (ret < 0)
-			break;
-		if (page == 0)
-			ret = ir35221_scale_result(ret, -1, PSC_CURRENT_OUT);
-		else
-			ret = ir35221_scale_result(ret, -2, PSC_CURRENT_OUT);
-		break;
 	case PMBUS_VIRT_READ_VIN_MAX:
 		ret = pmbus_read_word_data(client, page, IR35221_MFR_VIN_PEAK);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -5, PSC_VOLTAGE_IN);
 		break;
 	case PMBUS_VIRT_READ_VOUT_MAX:
 		ret = pmbus_read_word_data(client, page, IR35221_MFR_VOUT_PEAK);
 		break;
 	case PMBUS_VIRT_READ_IOUT_MAX:
 		ret = pmbus_read_word_data(client, page, IR35221_MFR_IOUT_PEAK);
-		if (ret < 0)
-			break;
-		if (page == 0)
-			ret = ir35221_scale_result(ret, -1, PSC_CURRENT_IN);
-		else
-			ret = ir35221_scale_result(ret, -2, PSC_CURRENT_IN);
 		break;
 	case PMBUS_VIRT_READ_TEMP_MAX:
 		ret = pmbus_read_word_data(client, page, IR35221_MFR_TEMP_PEAK);
@@ -194,9 +45,6 @@ static int ir35221_read_word_data(struct i2c_client *client, int page, int reg)
 	case PMBUS_VIRT_READ_VIN_MIN:
 		ret = pmbus_read_word_data(client, page,
 					   IR35221_MFR_VIN_VALLEY);
-		if (ret < 0)
-			break;
-		ret = ir35221_scale_result(ret, -5, PSC_VOLTAGE_IN);
 		break;
 	case PMBUS_VIRT_READ_VOUT_MIN:
 		ret = pmbus_read_word_data(client, page,
@@ -205,12 +53,6 @@ static int ir35221_read_word_data(struct i2c_client *client, int page, int reg)
 	case PMBUS_VIRT_READ_IOUT_MIN:
 		ret = pmbus_read_word_data(client, page,
 					   IR35221_MFR_IOUT_VALLEY);
-		if (ret < 0)
-			break;
-		if (page == 0)
-			ret = ir35221_scale_result(ret, -1, PSC_CURRENT_IN);
-		else
-			ret = ir35221_scale_result(ret, -2, PSC_CURRENT_IN);
 		break;
 	case PMBUS_VIRT_READ_TEMP_MIN:
 		ret = pmbus_read_word_data(client, page,
@@ -224,36 +66,6 @@ static int ir35221_read_word_data(struct i2c_client *client, int page, int reg)
 	return ret;
 }
 
-static int ir35221_write_word_data(struct i2c_client *client, int page, int reg,
-				   u16 word)
-{
-	int ret;
-	u16 val;
-
-	switch (reg) {
-	case PMBUS_IOUT_OC_FAULT_LIMIT:
-	case PMBUS_IOUT_OC_WARN_LIMIT:
-		val = ir35221_scale_result(word, -1, PSC_CURRENT_OUT);
-		ret = pmbus_write_word_data(client, page, reg, val);
-		break;
-	case PMBUS_VIN_OV_FAULT_LIMIT:
-	case PMBUS_VIN_OV_WARN_LIMIT:
-	case PMBUS_VIN_UV_WARN_LIMIT:
-		val = ir35221_scale_result(word, 4, PSC_VOLTAGE_IN);
-		ret = pmbus_write_word_data(client, page, reg, val);
-		break;
-	case PMBUS_IIN_OC_WARN_LIMIT:
-		val = ir35221_scale_result(word, 1, PSC_CURRENT_IN);
-		ret = pmbus_write_word_data(client, page, reg, val);
-		break;
-	default:
-		ret = -ENODATA;
-		break;
-	}
-
-	return ret;
-}
-
 static int ir35221_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
@@ -292,7 +104,6 @@ static int ir35221_probe(struct i2c_client *client,
 	if (!info)
 		return -ENOMEM;
 
-	info->write_word_data = ir35221_write_word_data;
 	info->read_word_data = ir35221_read_word_data;
 
 	info->pages = 2;