Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

Pull hwmon subsystem fixes from Jean Delvare.

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (ntc_thermistor) Fix OF device ID mapping
  hwmon: (ntc_thermistor) Fix dependencies
  hwmon: Document temp[1-*]_min_hyst sysfs attribute

3 files changed, 24 insertions, 7 deletions

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 79f8257dd790..2cc95ad46604 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -327,6 +327,13 @@ temp[1-*]_max_hyst
                 from the max value.
                 RW
 
+temp[1-*]_min_hyst
+                Temperature hysteresis value for min limit.
+                Unit: millidegree Celsius
+                Must be reported as an absolute temperature, NOT a delta
+                from the min value.
+                RW
+
 temp[1-*]_input Temperature input value.
                 Unit: millidegree Celsius
                 RO
@@ -362,6 +369,13 @@ temp[1-*]_lcrit	Temperature critical min value, typically lower than
                 Unit: millidegree Celsius
                 RW
 
+temp[1-*]_lcrit_hyst
+                Temperature hysteresis value for critical min limit.
+                Unit: millidegree Celsius
+                Must be reported as an absolute temperature, NOT a delta
+                from the critical min value.
+                RW
+
 temp[1-*]_offset
                 Temperature offset which is added to the temperature reading
                 by the chip.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index bc196f49ec53..4af0da96c2e2 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1053,7 +1053,7 @@ config SENSORS_PC87427
 
 config SENSORS_NTC_THERMISTOR
         tristate "NTC thermistor support"
-        depends on (!OF && !IIO) || (OF && IIO)
+        depends on !OF || IIO=n || IIO
         help
           This driver supports NTC thermistors sensor reading and its
           interpretation. The driver can also monitor the temperature and
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 8a17f01e8672..e76feb86a1d4 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -44,6 +44,7 @@ struct ntc_compensation {
         unsigned int    ohm;
 };
 
+/* Order matters, ntc_match references the entries by index */
 static const struct platform_device_id ntc_thermistor_id[] = {
         { "ncp15wb473", TYPE_NCPXXWB473 },
         { "ncp18wb473", TYPE_NCPXXWB473 },
@@ -141,7 +142,7 @@ struct ntc_data {
         char name[PLATFORM_NAME_SIZE];
 };
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO)
 static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
 {
         struct iio_channel *channel = pdata->chan;
@@ -163,15 +164,15 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
 
 static const struct of_device_id ntc_match[] = {
         { .compatible = "ntc,ncp15wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[0] },
         { .compatible = "ntc,ncp18wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[1] },
         { .compatible = "ntc,ncp21wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[2] },
         { .compatible = "ntc,ncp03wb473",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWB473] },
+                .data = &ntc_thermistor_id[3] },
         { .compatible = "ntc,ncp15wl333",
-                .data = &ntc_thermistor_id[TYPE_NCPXXWL333] },
+                .data = &ntc_thermistor_id[4] },
         { },
 };
 MODULE_DEVICE_TABLE(of, ntc_match);
@@ -223,6 +224,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
         return NULL;
 }
 
+#define ntc_match       NULL
+
 static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata)
 { }
 #endif