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Diffstat (limited to 'include/linux/rtc.h')
-rw-r--r--include/linux/rtc.h41
1 files changed, 25 insertions, 16 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 6aedc30003e7..f89bfbb54902 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -67,7 +67,7 @@ extern struct class *rtc_class;
*
* The (current) exceptions are mostly filesystem hooks:
* - the proc() hook for procfs
- * - non-ioctl() chardev hooks: open(), release(), read_callback()
+ * - non-ioctl() chardev hooks: open(), release()
*
* REVISIT those periodic irq calls *do* have ops_lock when they're
* issued through ioctl() ...
@@ -81,21 +81,21 @@ struct rtc_class_ops {
int (*proc)(struct device *, struct seq_file *);
int (*set_mmss64)(struct device *, time64_t secs);
int (*set_mmss)(struct device *, unsigned long secs);
- int (*read_callback)(struct device *, int data);
int (*alarm_irq_enable)(struct device *, unsigned int enabled);
int (*read_offset)(struct device *, long *offset);
int (*set_offset)(struct device *, long offset);
};
+struct rtc_device;
+
struct rtc_timer {
struct timerqueue_node node;
ktime_t period;
- void (*func)(void *private_data);
- void *private_data;
+ void (*func)(struct rtc_device *rtc);
+ struct rtc_device *rtc;
int enabled;
};
-
/* flags */
#define RTC_DEV_BUSY 0
@@ -138,7 +138,6 @@ struct rtc_device {
bool registered;
- struct nvmem_device *nvmem;
/* Old ABI support */
bool nvram_old_abi;
struct bin_attribute *nvram;
@@ -167,19 +166,12 @@ 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);
extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
@@ -205,11 +197,12 @@ extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
unsigned int enabled);
void rtc_handle_legacy_irq(struct rtc_device *rtc, int num, int mode);
-void rtc_aie_update_irq(void *private);
-void rtc_uie_update_irq(void *private);
+void rtc_aie_update_irq(struct rtc_device *rtc);
+void rtc_uie_update_irq(struct rtc_device *rtc);
enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer);
-void rtc_timer_init(struct rtc_timer *timer, void (*f)(void *p), void *data);
+void rtc_timer_init(struct rtc_timer *timer, void (*f)(struct rtc_device *r),
+ struct rtc_device *rtc);
int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer,
ktime_t expires, ktime_t period);
void rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer);
@@ -277,4 +270,20 @@ 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_ */