diff options
author | Guenter Roeck <linux@roeck-us.net> | 2015-03-30 11:13:49 -0700 |
---|---|---|
committer | Guenter Roeck <linux@roeck-us.net> | 2016-04-19 06:32:36 -0700 |
commit | 8638d0afb4df0d3cebcd10c3056dcb4a52432941 (patch) | |
tree | 98782c5a44d7678d49ab8f75231825ec3bc87504 /drivers/hwmon/it87.c | |
parent | d376684880beb603a11fb6593489a21398d2a491 (diff) | |
download | linux-8638d0afb4df0d3cebcd10c3056dcb4a52432941.tar.bz2 |
hwmon: (it87) Convert to use new hwmon API
Convert to use devm_hwmon_device_register_with_groups to simplify
code and reduce code size. This also attaches sysfs attributes
to the hwmon device and no longer to the platform device.
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r-- | drivers/hwmon/it87.c | 93 |
1 files changed, 19 insertions, 74 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index e4fb466fd9c3..e02c972ef81e 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -458,7 +458,7 @@ struct it87_sio_data { * The structure is dynamically allocated. */ struct it87_data { - struct device *hwmon_dev; + const struct attribute_group *groups[7]; enum chips type; u16 features; u8 peci_mask; @@ -1739,14 +1739,6 @@ static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2); /* AVCC3 */ static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0); -static ssize_t show_name(struct device *dev, struct device_attribute - *devattr, char *buf) -{ - struct it87_data *data = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", data->name); -} -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - static umode_t it87_in_is_visible(struct kobject *kobj, struct attribute *attr, int index) { @@ -1887,10 +1879,10 @@ static umode_t it87_is_visible(struct kobject *kobj, struct device *dev = container_of(kobj, struct device, kobj); struct it87_data *data = dev_get_drvdata(dev); - if ((index == 3 || index == 4) && !data->has_vid) + if ((index == 2 || index == 3) && !data->has_vid) return 0; - if (index > 4 && !(data->in_internal & (1 << (index - 5)))) + if (index > 3 && !(data->in_internal & (1 << (index - 4)))) return 0; return attr->mode; @@ -1899,10 +1891,9 @@ static umode_t it87_is_visible(struct kobject *kobj, static struct attribute *it87_attributes[] = { &dev_attr_alarms.attr, &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, - &dev_attr_name.attr, - &dev_attr_vrm.attr, /* 3 */ - &dev_attr_cpu0_vid.attr, /* 4 */ - &sensor_dev_attr_in3_label.dev_attr.attr, /* 5 .. 8 */ + &dev_attr_vrm.attr, /* 2 */ + &dev_attr_cpu0_vid.attr, /* 3 */ + &sensor_dev_attr_in3_label.dev_attr.attr, /* 4 .. 7 */ &sensor_dev_attr_in7_label.dev_attr.attr, &sensor_dev_attr_in8_label.dev_attr.attr, &sensor_dev_attr_in9_label.dev_attr.attr, @@ -2460,16 +2451,6 @@ exit: return err; } -static void it87_remove_files(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &it87_group); - sysfs_remove_group(&dev->kobj, &it87_group_in); - sysfs_remove_group(&dev->kobj, &it87_group_temp); - sysfs_remove_group(&dev->kobj, &it87_group_fan); - sysfs_remove_group(&dev->kobj, &it87_group_pwm); - sysfs_remove_group(&dev->kobj, &it87_group_auto_pwm); -} - /* Called when we have found a new IT87. */ static void it87_init_device(struct platform_device *pdev) { @@ -2646,7 +2627,7 @@ static int it87_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct it87_sio_data *sio_data = dev_get_platdata(dev); int enable_pwm_interface; - int err = 0; + struct device *hwmon_dev; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT, @@ -2666,7 +2647,6 @@ static int it87_probe(struct platform_device *pdev) data->features = it87_devices[sio_data->type].features; data->peci_mask = it87_devices[sio_data->type].peci_mask; data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask; - data->name = it87_devices[sio_data->type].name; /* * IT8705F Datasheet 0.4.1, 3h == Version G. * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J. @@ -2742,59 +2722,25 @@ static int it87_probe(struct platform_device *pdev) data->vid = sio_data->vid_value; } - /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &it87_group); - if (err) - return err; - - err = sysfs_create_group(&dev->kobj, &it87_group_in); - if (err) - goto error; - - err = sysfs_create_group(&dev->kobj, &it87_group_temp); - if (err) - goto error; - - err = sysfs_create_group(&dev->kobj, &it87_group_fan); - if (err) - goto error; + /* Prepare for sysfs hooks */ + data->groups[0] = &it87_group; + data->groups[1] = &it87_group_in; + data->groups[2] = &it87_group_temp; + data->groups[3] = &it87_group_fan; if (enable_pwm_interface) { data->has_pwm = (1 << ARRAY_SIZE(IT87_REG_PWM)) - 1; data->has_pwm &= ~sio_data->skip_pwm; - err = sysfs_create_group(&dev->kobj, &it87_group_pwm); - if (err) - goto error; - if (has_old_autopwm(data)) { - err = sysfs_create_group(&dev->kobj, - &it87_group_auto_pwm); - if (err) - goto error; - } - } - - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error; + data->groups[4] = &it87_group_pwm; + if (has_old_autopwm(data)) + data->groups[5] = &it87_group_auto_pwm; } - return 0; - -error: - it87_remove_files(dev); - return err; -} - -static int it87_remove(struct platform_device *pdev) -{ - struct it87_data *data = platform_get_drvdata(pdev); - - hwmon_device_unregister(data->hwmon_dev); - it87_remove_files(&pdev->dev); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, + it87_devices[sio_data->type].name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static struct platform_driver it87_driver = { @@ -2802,7 +2748,6 @@ static struct platform_driver it87_driver = { .name = DRVNAME, }, .probe = it87_probe, - .remove = it87_remove, }; static int __init it87_device_add(int index, unsigned short address, |