leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

firmware loader: rely on driver core to create class attribute

Browse Source 
Do not create 'timeout' attribute manually, let driver core do it for us.
This also ensures that attribute is cleaned up properly.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov 2010-03-13 23:49:13 -08:00 committed by Greg Kroah-Hartman
parent e9045f9178
commit 673fae90d5
1 changed files with 24 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/base/firmware_class.c
View File

@ -101,9 +101,26 @@ firmware_timeout_store(struct class *class,
return count;
}
static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store);
static struct class_attribute firmware_class_attrs[] = {
__ATTR(timeout, S_IWUSR | S_IRUGO,
firmware_timeout_show, firmware_timeout_store),
__ATTR_NULL
};
static void fw_dev_release(struct device *dev);
static void fw_dev_release(struct device *dev)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
int i;
for (i = 0; i < fw_priv->nr_pages; i++)
__free_page(fw_priv->pages[i]);
kfree(fw_priv->pages);
kfree(fw_priv->fw_id);
kfree(fw_priv);
kfree(dev);
module_put(THIS_MODULE);
}
static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
{
@ -121,6 +138,7 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
static struct class firmware_class = {
.name = "firmware",
.class_attrs = firmware_class_attrs,
.dev_uevent = firmware_uevent,
.dev_release = fw_dev_release,
};
@ -370,21 +388,6 @@ static struct bin_attribute firmware_attr_data_tmpl = {
.write = firmware_data_write,
};
static void fw_dev_release(struct device *dev)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
int i;
for (i = 0; i < fw_priv->nr_pages; i++)
__free_page(fw_priv->pages[i]);
kfree(fw_priv->pages);
kfree(fw_priv->fw_id);
kfree(fw_priv);
kfree(dev);
module_put(THIS_MODULE);
}
static void
firmware_class_timeout(u_long data)
{
@ -689,26 +692,12 @@ request_firmware_nowait(
return 0;
}
static int __init
firmware_class_init(void)
static int __init firmware_class_init(void)
{
int error;
error = class_register(&firmware_class);
if (error) {
printk(KERN_ERR "%s: class_register failed\n", __func__);
return error;
}
error = class_create_file(&firmware_class, &class_attr_timeout);
if (error) {
printk(KERN_ERR "%s: class_create_file failed\n",
__func__);
class_unregister(&firmware_class);
}
return error;
return class_register(&firmware_class);
}
static void __exit
firmware_class_exit(void)
static void __exit firmware_class_exit(void)
{
class_unregister(&firmware_class);
}