hwmon: Don't export thermistor beta

Deprecate the use of thermistor beta values as thermal sensor types.
No driver supports changing the beta value anyway.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

3 files changed, 21 insertions, 18 deletions

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index b3a9e1b9dbda..331fa7a1d7d5 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -219,12 +219,12 @@ temp[1-*]_auto_point[1-*]_temp_hyst
 ****************
 
 temp[1-*]_type  Sensor type selection.
-                Integers 1 to 6 or thermistor Beta value (typically 3435)
+                Integers 1 to 6
                 RW
                 1: PII/Celeron Diode
                 2: 3904 transistor
                 3: thermal diode
-                4: thermistor (default/unknown Beta)
+                4: thermistor
                 5: AMD AMDSI
                 6: Intel PECI
                 Not all types are supported by all chips
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 0866739a227c..f0e0e208be9a 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -372,11 +372,8 @@ struct w83627hf_data {
         u8 beep_enable;         /* Boolean */
         u8 pwm[3];              /* Register value */
         u8 pwm_freq[3];         /* Register value */
-        u16 sens[3];            /* 782D/783S only.
-                                   1 = pentium diode; 2 = 3904 diode;
-                                   3000-5000 = thermistor beta.
-                                   Default = 3435.
-                                   Other Betas unimplemented */
+        u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
+                                   4 = thermistor */
         u8 vrm;
         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 };
@@ -1001,7 +998,11 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
                                     tmp & ~BIT_SCFG2[nr - 1]);
                 data->sens[nr - 1] = val;
                 break;
-        case W83781D_DEFAULT_BETA:      /* thermistor */
+        case W83781D_DEFAULT_BETA:
+                dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
+                         "instead\n", W83781D_DEFAULT_BETA);
+                /* fall through */
+        case 4:         /* thermistor */
                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
                 w83627hf_write_value(data, W83781D_REG_SCFG1,
                                     tmp & ~BIT_SCFG1[nr - 1]);
@@ -1009,8 +1010,8 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
                 break;
         default:
                 dev_err(dev,
-                       "Invalid sensor type %ld; must be 1, 2, or %d\n",
-                       (long) val, W83781D_DEFAULT_BETA);
+                       "Invalid sensor type %ld; must be 1, 2, or 4\n",
+                       (long) val);
                 break;
         }
 
@@ -1513,7 +1514,7 @@ static void __devinit w83627hf_init_device(struct platform_device *pdev)
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
         for (i = 1; i <= 3; i++) {
                 if (!(tmp & BIT_SCFG1[i - 1])) {
-                        data->sens[i - 1] = W83781D_DEFAULT_BETA;
+                        data->sens[i - 1] = 4;
                 } else {
                         if (w83627hf_read_value
                             (data,
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 8ed88f3d5767..c12bdf9d9e1d 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -251,9 +251,7 @@ struct w83781d_data {
         u8 pwm2_enable;         /* Boolean */
         u16 sens[3];            /* 782D/783S only.
                                    1 = pentium diode; 2 = 3904 diode;
-                                   3000-5000 = thermistor beta.
-                                   Default = 3435. 
-                                   Other Betas unimplemented */
+                                   4 = thermistor */
         u8 vrm;
 };
 
@@ -721,15 +719,19 @@ store_sensor(struct device *dev, struct device_attribute *da,
                                     tmp & ~BIT_SCFG2[nr]);
                 data->sens[nr] = val;
                 break;
-        case W83781D_DEFAULT_BETA:      /* thermistor */
+        case W83781D_DEFAULT_BETA:
+                dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
+                         "instead\n", W83781D_DEFAULT_BETA);
+                /* fall through */
+        case 4:         /* thermistor */
                 tmp = w83781d_read_value(data, W83781D_REG_SCFG1);
                 w83781d_write_value(data, W83781D_REG_SCFG1,
                                     tmp & ~BIT_SCFG1[nr]);
                 data->sens[nr] = val;
                 break;
         default:
-                dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or %d\n",
-                       (long) val, W83781D_DEFAULT_BETA);
+                dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4\n",
+                       (long) val);
                 break;
         }
 
@@ -1485,7 +1487,7 @@ w83781d_init_device(struct device *dev)
                 tmp = w83781d_read_value(data, W83781D_REG_SCFG1);
                 for (i = 1; i <= 3; i++) {
                         if (!(tmp & BIT_SCFG1[i - 1])) {
-                                data->sens[i - 1] = W83781D_DEFAULT_BETA;
+                                data->sens[i - 1] = 4;
                         } else {
                                 if (w83781d_read_value
                                     (data,