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extcon: Remove porting compatibility of swich class

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This patch removes the porting compatibility for switch class
because there is no any usage and requirement of swich class
over a couple of years.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi
2017-01-01 21:14:26 +09:00
parent db0f3baaa3
commit c9d0f1d121
2 changed files with 0 additions and 143 deletions
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20
drivers/extcon/extcon.c
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@@ -230,9 +230,6 @@ struct extcon_cable {
};
static struct class *extcon_class;
#if defined(CONFIG_ANDROID)
static struct class_compat *switch_class;
#endif /* CONFIG_ANDROID */
static LIST_HEAD(extcon_dev_list);
static DEFINE_MUTEX(extcon_dev_list_lock);
@@ -1032,12 +1029,6 @@ static int create_extcon_class(void)
if (IS_ERR(extcon_class))
return PTR_ERR(extcon_class);
extcon_class->dev_groups = extcon_groups;
#if defined(CONFIG_ANDROID)
switch_class = class_compat_register("switch");
if (WARN(!switch_class, "cannot allocate"))
return -ENOMEM;
#endif /* CONFIG_ANDROID */
}
return 0;
@@ -1259,10 +1250,6 @@ int extcon_dev_register(struct extcon_dev *edev)
put_device(&edev->dev);
goto err_dev;
}
#if defined(CONFIG_ANDROID)
if (switch_class)
ret = class_compat_create_link(switch_class, &edev->dev, NULL);
#endif /* CONFIG_ANDROID */
spin_lock_init(&edev->lock);
@@ -1350,10 +1337,6 @@ void extcon_dev_unregister(struct extcon_dev *edev)
kfree(edev->cables);
}
#if defined(CONFIG_ANDROID)
if (switch_class)
class_compat_remove_link(switch_class, &edev->dev, NULL);
#endif
put_device(&edev->dev);
}
EXPORT_SYMBOL_GPL(extcon_dev_unregister);
@@ -1424,9 +1407,6 @@ module_init(extcon_class_init);
static void __exit extcon_class_exit(void)
{
#if defined(CONFIG_ANDROID)
class_compat_unregister(switch_class);
#endif
class_destroy(extcon_class);
}
module_exit(extcon_class_exit);