hwmon: (w83627hf) push nr+1 offset into *_REG_FAN macros and simplify

patch changes 2 macros to incorporate the +1, and drops the +1 from all the
callers.  This also allows a 'reroll' of an expanded loop, and adjusting
indexes and loop limits on another.

Signed-off-by:  Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

1 files changed, 14 insertions, 13 deletions

diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 410f10687cc4..879d0a6544cc 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -170,8 +170,9 @@ superio_exit(void)
 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
                                            (0x550 + (nr) - 7))
 
-#define W83781D_REG_FAN_MIN(nr) (0x3a + (nr))
-#define W83781D_REG_FAN(nr) (0x27 + (nr))
+/* nr:0-2 for fans:1-3 */
+#define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
+#define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 
 #define W83627HF_REG_TEMP2_CONFIG 0x152
 #define W83627HF_REG_TEMP3_CONFIG 0x252
@@ -582,7 +583,7 @@ store_fan_min(struct device *dev, struct device_attribute *devattr,
 
         mutex_lock(&data->update_lock);
         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
-        w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr+1),
+        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
                              data->fan_min[nr]);
 
         mutex_unlock(&data->update_lock);
@@ -814,7 +815,7 @@ store_fan_div(struct device *dev, struct device_attribute *devattr,
 
         /* Restore fan_min */
         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
-        w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 
         mutex_unlock(&data->update_lock);
         return count;
@@ -1140,7 +1141,7 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
         struct w83627hf_sio_data *sio_data = dev->platform_data;
         struct w83627hf_data *data;
         struct resource *res;
-        int err;
+        int err, i;
 
         static const char *names[] = {
                 "w83627hf",
@@ -1174,9 +1175,9 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
         w83627hf_init_device(pdev);
 
         /* A few vars need to be filled upon startup */
-        data->fan_min[0] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(1));
-        data->fan_min[1] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(2));
-        data->fan_min[2] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(3));
+        for (i = 0; i <= 2; i++)
+                data->fan_min[i] = w83627hf_read_value(
+                                        data, W83627HF_REG_FAN_MIN(i));
         w83627hf_update_fan_div(data);
 
         /* Register common device attributes */
@@ -1554,12 +1555,12 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
                             w83627hf_read_value(data,
                                                W83781D_REG_IN_MAX(i));
                 }
-                for (i = 1; i <= 3; i++) {
-                        data->fan[i - 1] =
-                            w83627hf_read_value(data, W83781D_REG_FAN(i));
-                        data->fan_min[i - 1] =
+                for (i = 0; i <= 2; i++) {
+                        data->fan[i] =
+                            w83627hf_read_value(data, W83627HF_REG_FAN(i));
+                        data->fan_min[i] =
                             w83627hf_read_value(data,
-                                               W83781D_REG_FAN_MIN(i));
+                                               W83627HF_REG_FAN_MIN(i));
                 }
                 for (i = 0; i <= 2; i++) {
                         u8 tmp = w83627hf_read_value(data,