diff options
author | Guenter Roeck <linux@roeck-us.net> | 2013-11-23 23:03:17 +0400 |
---|---|---|
committer | Matthew Garrett <matthew.garrett@nebula.com> | 2014-01-21 17:44:03 +0400 |
commit | 50a639fb158c6aafe86ba7d6104de69518a9d09a (patch) | |
tree | 6a6899f5c654c8749737410ad75828b19ca8ad12 /drivers/platform | |
parent | c2be45f09bb0b37ba1f87f39fbb04886f94e3e58 (diff) | |
download | linux-50a639fb158c6aafe86ba7d6104de69518a9d09a.tar.xz |
asus-wmi: Convert to use devm_hwmon_device_register_with_groups
Simplify the code and avoid race conditions due to late sysfs attribute
registration. Also replace SENSOR_DEVICE_ATTR with DEVICE_ATTR;
the additional parameter is not used and thus unnecessary.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r-- | drivers/platform/x86/asus-wmi.c | 48 |
1 files changed, 11 insertions, 37 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 19c313b056c3..e9e22a51e703 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -184,7 +184,6 @@ struct asus_wmi { struct input_dev *inputdev; struct backlight_device *backlight_device; - struct device *hwmon_device; struct platform_device *platform_device; struct led_classdev wlan_led; @@ -1071,20 +1070,12 @@ static ssize_t asus_hwmon_temp1(struct device *dev, return sprintf(buf, "%d\n", value); } -static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL, 0); -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL, 0); - -static ssize_t -show_name(struct device *dev, struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "asus\n"); -} -static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); +static DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL); +static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL); static struct attribute *hwmon_attributes[] = { - &sensor_dev_attr_pwm1.dev_attr.attr, - &sensor_dev_attr_temp1_input.dev_attr.attr, - &sensor_dev_attr_name.dev_attr.attr, + &dev_attr_pwm1.attr, + &dev_attr_temp1_input.attr, NULL }; @@ -1098,9 +1089,9 @@ static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, int dev_id = -1; u32 value = ASUS_WMI_UNSUPPORTED_METHOD; - if (attr == &sensor_dev_attr_pwm1.dev_attr.attr) + if (attr == &dev_attr_pwm1.attr) dev_id = ASUS_WMI_DEVID_FAN_CTRL; - else if (attr == &sensor_dev_attr_temp1_input.dev_attr.attr) + else if (attr == &dev_attr_temp1_input.attr) dev_id = ASUS_WMI_DEVID_THERMAL_CTRL; if (dev_id != -1) { @@ -1135,35 +1126,20 @@ static struct attribute_group hwmon_attribute_group = { .is_visible = asus_hwmon_sysfs_is_visible, .attrs = hwmon_attributes }; - -static void asus_wmi_hwmon_exit(struct asus_wmi *asus) -{ - struct device *hwmon; - - hwmon = asus->hwmon_device; - if (!hwmon) - return; - sysfs_remove_group(&hwmon->kobj, &hwmon_attribute_group); - hwmon_device_unregister(hwmon); - asus->hwmon_device = NULL; -} +__ATTRIBUTE_GROUPS(hwmon_attribute); static int asus_wmi_hwmon_init(struct asus_wmi *asus) { struct device *hwmon; - int result; - hwmon = hwmon_device_register(&asus->platform_device->dev); + hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev, + "asus", asus, + hwmon_attribute_groups); if (IS_ERR(hwmon)) { pr_err("Could not register asus hwmon device\n"); return PTR_ERR(hwmon); } - dev_set_drvdata(hwmon, asus); - asus->hwmon_device = hwmon; - result = sysfs_create_group(&hwmon->kobj, &hwmon_attribute_group); - if (result) - asus_wmi_hwmon_exit(asus); - return result; + return 0; } /* @@ -1834,7 +1810,6 @@ fail_backlight: fail_rfkill: asus_wmi_led_exit(asus); fail_leds: - asus_wmi_hwmon_exit(asus); fail_hwmon: asus_wmi_input_exit(asus); fail_input: @@ -1852,7 +1827,6 @@ static int asus_wmi_remove(struct platform_device *device) wmi_remove_notify_handler(asus->driver->event_guid); asus_wmi_backlight_exit(asus); asus_wmi_input_exit(asus); - asus_wmi_hwmon_exit(asus); asus_wmi_led_exit(asus); asus_wmi_rfkill_exit(asus); asus_wmi_debugfs_exit(asus); |