Merge tag 'hwmon-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - Add support for trace events to hwmon core

 - Add support for NCT6797D, NCT6798D, MAX31725/6, LTM4686

 - Support all AMD Family 15h Model 6xh and Model 7xh processors in
   k10temp driver

 - Convert ina3221 driver to _info API

 - Fixes, cleanups, and improvements in various drivers

* tag 'hwmon-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (46 commits)
  hwmon: (pmbus) Fix page count auto-detection.
  hwmon: (pmbus) remove redundant 'default n' from Kconfig
  hwmon: (core) Add trace events to _attr_show/store functions
  hwmon: (ina3221) Use _info API to register hwmon device
  hwmon: (npcm-750-pwm-fan) Change initial pwm target to 255
  hwmon: (ina3221) Validate shunt resistor value from DT
  hwmon: (tmp421) make const array 'names' static
  hwmon: (core) Add hwmon_in_enable attribute
  hwmon: (ina3221) mark PM functions as __maybe_unused
  hwmon: (ina3221) Read channel input source info from DT
  dt-bindings: hwmon: Add ina3221 documentation
  hwmon: (ina3221) Add suspend and resume functions
  hwmon: (ina3221) Fix INA3221_CONFIG_MODE macros
  hwmon: (ina3221) Add INA3221_CONFIG to volatile_table
  MAINTAINERS: Update PMBUS maintainer entry
  hwmon: (pwm-fan) Set fan speed to 0 on suspend
  hwmon: (pwm-fan) Silence error on probe deferral
  hwmon: (scpi-hwmon) remove redundant continue
  hwmon: (nct6775) Add support for NCT6798D
  hwmon: (nct6775) Add support for NCT6797D
  ...

2 files changed, 73 insertions, 0 deletions

diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 9493d4a388db..99e0c1b0b5fb 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -118,6 +118,7 @@ enum hwmon_in_attributes {
 	hwmon_in_max_alarm,
 	hwmon_in_lcrit_alarm,
 	hwmon_in_crit_alarm,
+	hwmon_in_enable,
 };
 
 #define HWMON_I_INPUT		BIT(hwmon_in_input)
@@ -135,6 +136,7 @@ enum hwmon_in_attributes {
 #define HWMON_I_MAX_ALARM	BIT(hwmon_in_max_alarm)
 #define HWMON_I_LCRIT_ALARM	BIT(hwmon_in_lcrit_alarm)
 #define HWMON_I_CRIT_ALARM	BIT(hwmon_in_crit_alarm)
+#define HWMON_I_ENABLE		BIT(hwmon_in_enable)
 
 enum hwmon_curr_attributes {
 	hwmon_curr_input,
diff --git a/include/trace/events/hwmon.h b/include/trace/events/hwmon.h
new file mode 100644
index 000000000000..d7a1d0ffb679
--- /dev/null
+++ b/include/trace/events/hwmon.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hwmon
+
+#if !defined(_TRACE_HWMON_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HWMON_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(hwmon_attr_class,
+
+	TP_PROTO(int index, const char *attr_name, long val),
+
+	TP_ARGS(index, attr_name, val),
+
+	TP_STRUCT__entry(
+		__field(int, index)
+		__string(attr_name, attr_name)
+		__field(long, val)
+	),
+
+	TP_fast_assign(
+		__entry->index = index;
+		__assign_str(attr_name, attr_name);
+		__entry->val = val;
+	),
+
+	TP_printk("index=%d, attr_name=%s, val=%ld",
+		  __entry->index,  __get_str(attr_name), __entry->val)
+);
+
+DEFINE_EVENT(hwmon_attr_class, hwmon_attr_show,
+
+	TP_PROTO(int index, const char *attr_name, long val),
+
+	TP_ARGS(index, attr_name, val)
+);
+
+DEFINE_EVENT(hwmon_attr_class, hwmon_attr_store,
+
+	TP_PROTO(int index, const char *attr_name, long val),
+
+	TP_ARGS(index, attr_name, val)
+);
+
+TRACE_EVENT(hwmon_attr_show_string,
+
+	TP_PROTO(int index, const char *attr_name, const char *s),
+
+	TP_ARGS(index, attr_name, s),
+
+	TP_STRUCT__entry(
+		__field(int, index)
+		__string(attr_name, attr_name)
+		__string(label, s)
+	),
+
+	TP_fast_assign(
+		__entry->index = index;
+		__assign_str(attr_name, attr_name);
+		__assign_str(label, s);
+	),
+
+	TP_printk("index=%d, attr_name=%s, val=%s",
+		  __entry->index, __get_str(attr_name), __get_str(label))
+);
+
+#endif /* _TRACE_HWMON_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>