hwmon: (gl520sm) Put register addresses in arrays

This allows for some code refactoring, making the binary slightly
smaller. This is also required to use dynamic sysfs callbacks for
voltage and temperature files.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

drivers/hwmon/gl520sm.c

@@ -56,37 +56,14 @@ That's why _TEMP2 and _IN4 access the same register
 
 #define GL520_REG_VID_INPUT		0x02
 
-#define GL520_REG_IN0_INPUT		0x15
-#define GL520_REG_IN0_LIMIT		0x0c
-#define GL520_REG_IN0_MIN		GL520_REG_IN0_LIMIT
-#define GL520_REG_IN0_MAX		GL520_REG_IN0_LIMIT
-
-#define GL520_REG_IN1_INPUT		0x14
-#define GL520_REG_IN1_LIMIT		0x09
-#define GL520_REG_IN1_MIN		GL520_REG_IN1_LIMIT
-#define GL520_REG_IN1_MAX		GL520_REG_IN1_LIMIT
-
-#define GL520_REG_IN2_INPUT		0x13
-#define GL520_REG_IN2_LIMIT		0x0a
-#define GL520_REG_IN2_MIN		GL520_REG_IN2_LIMIT
-#define GL520_REG_IN2_MAX		GL520_REG_IN2_LIMIT
-
-#define GL520_REG_IN3_INPUT		0x0d
-#define GL520_REG_IN3_LIMIT		0x0b
-#define GL520_REG_IN3_MIN		GL520_REG_IN3_LIMIT
-#define GL520_REG_IN3_MAX		GL520_REG_IN3_LIMIT
-
-#define GL520_REG_IN4_INPUT		0x0e
-#define GL520_REG_IN4_MAX		0x17
-#define GL520_REG_IN4_MIN		0x18
-
-#define GL520_REG_TEMP1_INPUT		0x04
-#define GL520_REG_TEMP1_MAX		0x05
-#define GL520_REG_TEMP1_MAX_HYST	0x06
-
-#define GL520_REG_TEMP2_INPUT		0x0e
-#define GL520_REG_TEMP2_MAX		0x17
-#define GL520_REG_TEMP2_MAX_HYST	0x18
+static const u8 GL520_REG_IN_INPUT[]	= { 0x15, 0x14, 0x13, 0x0d, 0x0e };
+static const u8 GL520_REG_IN_LIMIT[]	= { 0x0c, 0x09, 0x0a, 0x0b };
+static const u8 GL520_REG_IN_MIN[]	= { 0x0c, 0x09, 0x0a, 0x0b, 0x18 };
+static const u8 GL520_REG_IN_MAX[]	= { 0x0c, 0x09, 0x0a, 0x0b, 0x17 };
+
+static const u8 GL520_REG_TEMP_INPUT[]		= { 0x04, 0x0e };
+static const u8 GL520_REG_TEMP_MAX[]		= { 0x05, 0x17 };
+static const u8 GL520_REG_TEMP_MAX_HYST[]	= { 0x06, 0x18 };
 
 #define GL520_REG_FAN_INPUT		0x07
 #define GL520_REG_FAN_MIN		0x08
@@ -191,9 +168,9 @@ static DEVICE_ATTR(type##item, S_IRUGO, get_##type##0##item, NULL);
 sysfs_ro_n(cpu, n, _vid, GL520_REG_VID_INPUT)
 
 #define sysfs_in(n) \
-sysfs_ro_n(in, n, _input, GL520_REG_IN##n##INPUT) \
-sysfs_rw_n(in, n, _min, GL520_REG_IN##n##_MIN) \
-sysfs_rw_n(in, n, _max, GL520_REG_IN##n##_MAX)
+sysfs_ro_n(in, n, _input, GL520_REG_IN_INPUT[n]) \
+sysfs_rw_n(in, n, _min, GL520_REG_IN_MIN[n]) \
+sysfs_rw_n(in, n, _max, GL520_REG_IN_MAX[n])
 
 #define sysfs_fan(n) \
 sysfs_ro_n(fan, n, _input, GL520_REG_FAN_INPUT) \
@@ -204,9 +181,9 @@ sysfs_rw_n(fan, n, _div, GL520_REG_FAN_DIV)
 sysfs_rw_n(fan, n, _off, GL520_REG_FAN_OFF)
 
 #define sysfs_temp(n) \
-sysfs_ro_n(temp, n, _input, GL520_REG_TEMP##n##_INPUT) \
-sysfs_rw_n(temp, n, _max, GL520_REG_TEMP##n##_MAX) \
-sysfs_rw_n(temp, n, _max_hyst, GL520_REG_TEMP##n##_MAX_HYST)
+sysfs_ro_n(temp, n, _input, GL520_REG_TEMP_INPUT[(n) - 1]) \
+sysfs_rw_n(temp, n, _max, GL520_REG_TEMP_MAX[(n) - 1]) \
+sysfs_rw_n(temp, n, _max_hyst, GL520_REG_TEMP_MAX_HYST[(n) - 1])
 
 #define sysfs_alarms() \
 sysfs_ro(alarms, , GL520_REG_ALARMS) \
@@ -717,7 +694,7 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
-	int val;
+	int val, i;
 
 	mutex_lock(&data->update_lock);
 
@@ -729,18 +706,13 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 		data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
 		data->vid = gl520_read_value(client, GL520_REG_VID_INPUT) & 0x1f;
 
-		val = gl520_read_value(client, GL520_REG_IN0_LIMIT);
-		data->in_min[0] = val & 0xff;
-		data->in_max[0] = (val >> 8) & 0xff;
-		val = gl520_read_value(client, GL520_REG_IN1_LIMIT);
-		data->in_min[1] = val & 0xff;
-		data->in_max[1] = (val >> 8) & 0xff;
-		val = gl520_read_value(client, GL520_REG_IN2_LIMIT);
-		data->in_min[2] = val & 0xff;
-		data->in_max[2] = (val >> 8) & 0xff;
-		val = gl520_read_value(client, GL520_REG_IN3_LIMIT);
-		data->in_min[3] = val & 0xff;
-		data->in_max[3] = (val >> 8) & 0xff;
+		for (i = 0; i < 4; i++) {
+			data->in_input[i] = gl520_read_value(client,
+							GL520_REG_IN_INPUT[i]);
+			val = gl520_read_value(client, GL520_REG_IN_LIMIT[i]);
+			data->in_min[i] = val & 0xff;
+			data->in_max[i] = (val >> 8) & 0xff;
+		}
 
 		val = gl520_read_value(client, GL520_REG_FAN_INPUT);
 		data->fan_input[0] = (val >> 8) & 0xff;
@@ -750,9 +722,12 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 		data->fan_min[0] = (val >> 8) & 0xff;
 		data->fan_min[1] = val & 0xff;
 
-		data->temp_input[0] = gl520_read_value(client, GL520_REG_TEMP1_INPUT);
-		data->temp_max[0] = gl520_read_value(client, GL520_REG_TEMP1_MAX);
-		data->temp_max_hyst[0] = gl520_read_value(client, GL520_REG_TEMP1_MAX_HYST);
+		data->temp_input[0] = gl520_read_value(client,
+						GL520_REG_TEMP_INPUT[0]);
+		data->temp_max[0] = gl520_read_value(client,
+						GL520_REG_TEMP_MAX[0]);
+		data->temp_max_hyst[0] = gl520_read_value(client,
+						GL520_REG_TEMP_MAX_HYST[0]);
 
 		val = gl520_read_value(client, GL520_REG_FAN_DIV);
 		data->fan_div[0] = (val >> 6) & 0x03;
@@ -764,20 +739,21 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 		val = gl520_read_value(client, GL520_REG_CONF);
 		data->beep_enable = !((val >> 2) & 1);
 
-		data->in_input[0] = gl520_read_value(client, GL520_REG_IN0_INPUT);
-		data->in_input[1] = gl520_read_value(client, GL520_REG_IN1_INPUT);
-		data->in_input[2] = gl520_read_value(client, GL520_REG_IN2_INPUT);
-		data->in_input[3] = gl520_read_value(client, GL520_REG_IN3_INPUT);
-
 		/* Temp1 and Vin4 are the same input */
 		if (data->two_temps) {
-			data->temp_input[1] = gl520_read_value(client, GL520_REG_TEMP2_INPUT);
-			data->temp_max[1] = gl520_read_value(client, GL520_REG_TEMP2_MAX);
-			data->temp_max_hyst[1] = gl520_read_value(client, GL520_REG_TEMP2_MAX_HYST);
+			data->temp_input[1] = gl520_read_value(client,
+						GL520_REG_TEMP_INPUT[1]);
+			data->temp_max[1] = gl520_read_value(client,
+						GL520_REG_TEMP_MAX[1]);
+			data->temp_max_hyst[1] = gl520_read_value(client,
+						GL520_REG_TEMP_MAX_HYST[1]);
 		} else {
-			data->in_input[4] = gl520_read_value(client, GL520_REG_IN4_INPUT);
-			data->in_min[4] = gl520_read_value(client, GL520_REG_IN4_MIN);
-			data->in_max[4] = gl520_read_value(client, GL520_REG_IN4_MAX);
+			data->in_input[4] = gl520_read_value(client,
+						GL520_REG_IN_INPUT[4]);
+			data->in_min[4] = gl520_read_value(client,
+						GL520_REG_IN_MIN[4]);
+			data->in_max[4] = gl520_read_value(client,
+						GL520_REG_IN_MAX[4]);
 		}
 
 		data->last_updated = jiffies;