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hwmon: (core) Rename groups parameter in API to extra_groups 

The 'groups' parameter of hwmon_device_register_with_info() and
devm_hwmon_device_register_with_info() is only necessary if extra
non-standard attributes need to be provided. Rename the parameter
to extra_groups and clarify the documentation.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2016-10-16 17:20:43 -07:00
parent b2a4cc3a06
commit 848ba0a2f2
3 changed files with 19 additions and 19 deletions
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16
Documentation/hwmon/hwmon-kernel-api.txt
View File

@ -37,14 +37,14 @@ struct device *
hwmon_device_register_with_info(struct device *dev,
const char *name, void *drvdata,
const struct hwmon_chip_info *info,
const struct attribute_group **groups);
const struct attribute_group **extra_groups);
struct device *
devm_hwmon_device_register_with_info(struct device *dev,
const char *name,
void *drvdata,
const struct hwmon_chip_info *info,
const struct attribute_group **groups);
const struct attribute_group **extra_groups);
void hwmon_device_unregister(struct device *dev);
void devm_hwmon_device_unregister(struct device *dev);
@ -100,9 +100,9 @@ const char *name Device name
void *drvdata Driver private data
const struct hwmon_chip_info *info
Pointer to chip description.
const struct attribute_group **groups
Null-terminated list of additional sysfs attribute
groups.
const struct attribute_group **extra_groups
Null-terminated list of additional non-standard
sysfs attribute groups.
This function returns a pointer to the created hardware monitoring device
on success and a negative error code for failure.
@ -287,9 +287,9 @@ Driver-provided sysfs attributes
If the hardware monitoring device is registered with
hwmon_device_register_with_info or devm_hwmon_device_register_with_info,
it is most likely not necessary to provide sysfs attributes. Only non-standard
sysfs attributes need to be provided when one of those registration functions
is used.
it is most likely not necessary to provide sysfs attributes. Only additional
non-standard sysfs attributes need to be provided when one of those registration
functions is used.
The header file linux/hwmon-sysfs.h provides a number of useful macros to
declare and use hardware monitoring sysfs attributes.

8
drivers/hwmon/hwmon.c
View File

@ -659,8 +659,8 @@ EXPORT_SYMBOL_GPL(hwmon_device_register_with_groups);
* @dev: the parent device
* @name: hwmon name attribute
* @drvdata: driver data to attach to created device
* @info: Pointer to hwmon chip information
* @groups - pointer to list of driver specific attribute groups
* @info: pointer to hwmon chip information
* @extra_groups: pointer to list of additional non-standard attribute groups
*
* hwmon_device_unregister() must be called when the device is no
* longer needed.
@ -671,12 +671,12 @@ struct device *
hwmon_device_register_with_info(struct device *dev, const char *name,
void *drvdata,
const struct hwmon_chip_info *chip,
const struct attribute_group **groups)
const struct attribute_group **extra_groups)
{
if (chip && (!chip->ops || !chip->ops->is_visible || !chip->info))
return ERR_PTR(-EINVAL);
return __hwmon_device_register(dev, name, drvdata, chip, groups);
return __hwmon_device_register(dev, name, drvdata, chip, extra_groups);
}
EXPORT_SYMBOL_GPL(hwmon_device_register_with_info);

4
include/linux/hwmon.h
View File

@ -377,12 +377,12 @@ struct device *
hwmon_device_register_with_info(struct device *dev,
const char *name, void *drvdata,
const struct hwmon_chip_info *info,
const struct attribute_group **groups);
const struct attribute_group **extra_groups);
struct device *
devm_hwmon_device_register_with_info(struct device *dev,
const char *name, void *drvdata,
const struct hwmon_chip_info *info,
const struct attribute_group **groups);
const struct attribute_group **extra_groups);
void hwmon_device_unregister(struct device *dev);
void devm_hwmon_device_unregister(struct device *dev);