diff options
| author | Axel Lin <axel.lin@ingics.com> | 2014-07-09 09:25:12 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2014-09-22 11:14:51 -0700 |
| commit | e7d275e7619510314dbb9207896bb12074d71c81 (patch) | |
| tree | 4163b90598737793e7dbd0f73fc03d18ddab8242 /drivers/hwmon | |
| parent | 8e35762fd5f2b074cff3e5c176c80008c70cc8f3 (diff) | |
hwmon: (da9055) Convert to devm_hwmon_device_register_with_groups
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/da9055-hwmon.c | 52 |
1 files changed, 9 insertions, 43 deletions
diff --git a/drivers/hwmon/da9055-hwmon.c b/drivers/hwmon/da9055-hwmon.c index 35eb7738d71..9916a3fb4bb 100644 --- a/drivers/hwmon/da9055-hwmon.c +++ b/drivers/hwmon/da9055-hwmon.c @@ -36,7 +36,6 @@ struct da9055_hwmon { struct da9055 *da9055; - struct device *class_device; struct mutex hwmon_lock; struct mutex irq_lock; struct completion done; @@ -200,13 +199,6 @@ static ssize_t da9055_read_tjunc(struct device *dev, + 3076332, 10000)); } -static ssize_t da9055_hwmon_show_name(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - return sprintf(buf, "da9055\n"); -} - static ssize_t show_label(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -236,10 +228,7 @@ static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, da9055_read_tjunc, NULL, static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL, DA9055_ADC_TJUNC); -static DEVICE_ATTR(name, S_IRUGO, da9055_hwmon_show_name, NULL); - -static struct attribute *da9055_attr[] = { - &dev_attr_name.attr, +static struct attribute *da9055_attrs[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_label.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, @@ -254,15 +243,16 @@ static struct attribute *da9055_attr[] = { NULL }; -static const struct attribute_group da9055_attr_group = {.attrs = da9055_attr}; +ATTRIBUTE_GROUPS(da9055); static int da9055_hwmon_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct da9055_hwmon *hwmon; + struct device *hwmon_dev; int hwmon_irq, ret; - hwmon = devm_kzalloc(&pdev->dev, sizeof(struct da9055_hwmon), - GFP_KERNEL); + hwmon = devm_kzalloc(dev, sizeof(struct da9055_hwmon), GFP_KERNEL); if (!hwmon) return -ENOMEM; @@ -272,8 +262,6 @@ static int da9055_hwmon_probe(struct platform_device *pdev) init_completion(&hwmon->done); hwmon->da9055 = dev_get_drvdata(pdev->dev.parent); - platform_set_drvdata(pdev, hwmon); - hwmon_irq = platform_get_irq_byname(pdev, "HWMON"); if (hwmon_irq < 0) return hwmon_irq; @@ -288,36 +276,14 @@ static int da9055_hwmon_probe(struct platform_device *pdev) return ret; } - ret = sysfs_create_group(&pdev->dev.kobj, &da9055_attr_group); - if (ret) - return ret; - - hwmon->class_device = hwmon_device_register(&pdev->dev); - if (IS_ERR(hwmon->class_device)) { - ret = PTR_ERR(hwmon->class_device); - goto err; - } - - return 0; - -err: - sysfs_remove_group(&pdev->dev.kobj, &da9055_attr_group); - return ret; -} - -static int da9055_hwmon_remove(struct platform_device *pdev) -{ - struct da9055_hwmon *hwmon = platform_get_drvdata(pdev); - - sysfs_remove_group(&pdev->dev.kobj, &da9055_attr_group); - hwmon_device_unregister(hwmon->class_device); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "da9055", + hwmon, + da9055_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static struct platform_driver da9055_hwmon_driver = { .probe = da9055_hwmon_probe, - .remove = da9055_hwmon_remove, .driver = { .name = "da9055-hwmon", .owner = THIS_MODULE, |