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Diffstat (limited to 'include/linux/rtc.h')
-rw-r--r--include/linux/rtc.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index faf00a1472d4..c8bb4a2b48c3 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -272,4 +272,20 @@ static inline int rtc_nvmem_register(struct rtc_device *rtc,
static inline void rtc_nvmem_unregister(struct rtc_device *rtc) {}
#endif
+#ifdef CONFIG_RTC_INTF_SYSFS
+int rtc_add_group(struct rtc_device *rtc, const struct attribute_group *grp);
+int rtc_add_groups(struct rtc_device *rtc, const struct attribute_group **grps);
+#else
+static inline
+int rtc_add_group(struct rtc_device *rtc, const struct attribute_group *grp)
+{
+ return 0;
+}
+
+static inline
+int rtc_add_groups(struct rtc_device *rtc, const struct attribute_group **grps)
+{
+ return 0;
+}
+#endif
#endif /* _LINUX_RTC_H_ */