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authorJames Morris <james.morris@microsoft.com>2018-11-12 20:07:41 +0300
committerJames Morris <james.morris@microsoft.com>2018-11-12 20:07:41 +0300
commit26b76320a8a550472bbb8f42257df83fcb8d8df6 (patch)
tree8a5b569f4f070bf4971e24e7fccfe3004b8fc4ba /include/linux/rtc.h
parentf09c296ebf407f98f4ca70892e612b54484bf663 (diff)
parentccda4af0f4b92f7b4c308d3acc262f4a7e3affad (diff)
downloadlinux-26b76320a8a550472bbb8f42257df83fcb8d8df6.tar.xz
Merge tag 'v4.20-rc2' into next-general
Sync to Linux 4.20-rc2 for downstream developers.
Diffstat (limited to 'include/linux/rtc.h')
-rw-r--r--include/linux/rtc.h21
1 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 6aedc30003e7..c8bb4a2b48c3 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -167,17 +167,12 @@ struct rtc_device {
#define RTC_TIMESTAMP_BEGIN_2000 946684800LL /* 2000-01-01 00:00:00 */
#define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */
-extern struct rtc_device *rtc_device_register(const char *name,
- struct device *dev,
- const struct rtc_class_ops *ops,
- struct module *owner);
extern struct rtc_device *devm_rtc_device_register(struct device *dev,
const char *name,
const struct rtc_class_ops *ops,
struct module *owner);
struct rtc_device *devm_rtc_allocate_device(struct device *dev);
int __rtc_register_device(struct module *owner, struct rtc_device *rtc);
-extern void rtc_device_unregister(struct rtc_device *rtc);
extern void devm_rtc_device_unregister(struct device *dev,
struct rtc_device *rtc);
@@ -277,4 +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_ */