| #ifdef CONFIG_RTC_INTF_DEV | 
 |  | 
 | extern void __init rtc_dev_init(void); | 
 | extern void __exit rtc_dev_exit(void); | 
 | extern void rtc_dev_prepare(struct rtc_device *rtc); | 
 | extern void rtc_dev_add_device(struct rtc_device *rtc); | 
 | extern void rtc_dev_del_device(struct rtc_device *rtc); | 
 |  | 
 | #else | 
 |  | 
 | static inline void rtc_dev_init(void) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_dev_exit(void) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_dev_prepare(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_dev_add_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_dev_del_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_RTC_INTF_PROC | 
 |  | 
 | extern void rtc_proc_add_device(struct rtc_device *rtc); | 
 | extern void rtc_proc_del_device(struct rtc_device *rtc); | 
 |  | 
 | #else | 
 |  | 
 | static inline void rtc_proc_add_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_proc_del_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_RTC_INTF_SYSFS | 
 |  | 
 | extern void __init rtc_sysfs_init(struct class *); | 
 | extern void rtc_sysfs_add_device(struct rtc_device *rtc); | 
 | extern void rtc_sysfs_del_device(struct rtc_device *rtc); | 
 |  | 
 | #else | 
 |  | 
 | static inline void rtc_sysfs_init(struct class *rtc) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_sysfs_add_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | static inline void rtc_sysfs_del_device(struct rtc_device *rtc) | 
 | { | 
 | } | 
 |  | 
 | #endif |