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WMI: make use of class device's attributres 

Instead of adding modalias attribute manually set it up as class's
device attribute so driver core will create and remove it for us.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Dmitry Torokhov 2010-08-26 00:15:25 -07:00 committed by Matthew Garrett
parent 8e07514db8
commit 614ef43222
1 changed files with 7 additions and 8 deletions
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15
drivers/platform/x86/wmi.c
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@ -649,7 +649,7 @@ EXPORT_SYMBOL_GPL(wmi_has_guid);
/*
* sysfs interface
*/
static ssize_t show_modalias(struct device *dev, struct device_attribute *attr,
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
char guid_string[37];
@ -663,7 +663,11 @@ static ssize_t show_modalias(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "wmi:%s\n", guid_string);
}
static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
static struct device_attribute wmi_dev_attrs[] = {
__ATTR_RO(modalias),
__ATTR_NULL
};
static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
{
@ -696,6 +700,7 @@ static struct class wmi_class = {
.name = "wmi",
.dev_release = wmi_dev_free,
.dev_uevent = wmi_dev_uevent,
.dev_attrs = wmi_dev_attrs,
};
static int wmi_create_devs(void)
@ -728,10 +733,6 @@ static int wmi_create_devs(void)
result = device_register(guid_dev);
if (result)
return result;
result = device_create_file(guid_dev, &dev_attr_modalias);
if (result)
return result;
}
return 0;
@ -751,8 +752,6 @@ static void wmi_remove_devs(void)
guid_dev = wblock->dev;
gblock = &wblock->gblock;
device_remove_file(guid_dev, &dev_attr_modalias);
device_unregister(guid_dev);
}
}