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Subject[PATCH 3/8] rtc: remove rtc_irq_register/rtc_irq_unregister
Date
The rtc_irq_* interface is not used from outside the RTC subsytem since
2016.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/interface.c | 33 ---------------------------------
include/linux/rtc.h | 4 ----
2 files changed, 37 deletions(-)

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 6d4012dd6922..2b1b9a0b9f8a 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -719,39 +719,6 @@ void rtc_class_close(struct rtc_device *rtc)
}
EXPORT_SYMBOL_GPL(rtc_class_close);

-int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task)
-{
- int retval = -EBUSY;
-
- if (task == NULL || task->func == NULL)
- return -EINVAL;
-
- /* Cannot register while the char dev is in use */
- if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags))
- return -EBUSY;
-
- spin_lock_irq(&rtc->irq_task_lock);
- if (rtc->irq_task == NULL) {
- rtc->irq_task = task;
- retval = 0;
- }
- spin_unlock_irq(&rtc->irq_task_lock);
-
- clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags);
-
- return retval;
-}
-EXPORT_SYMBOL_GPL(rtc_irq_register);
-
-void rtc_irq_unregister(struct rtc_device *rtc, struct rtc_task *task)
-{
- spin_lock_irq(&rtc->irq_task_lock);
- if (rtc->irq_task == task)
- rtc->irq_task = NULL;
- spin_unlock_irq(&rtc->irq_task_lock);
-}
-EXPORT_SYMBOL_GPL(rtc_irq_unregister);
-
static int rtc_update_hrtimer(struct rtc_device *rtc, int enabled)
{
/*
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 6268208760e9..f868d6b619ab 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -204,10 +204,6 @@ extern void rtc_update_irq(struct rtc_device *rtc,
extern struct rtc_device *rtc_class_open(const char *name);
extern void rtc_class_close(struct rtc_device *rtc);

-extern int rtc_irq_register(struct rtc_device *rtc,
- struct rtc_task *task);
-extern void rtc_irq_unregister(struct rtc_device *rtc,
- struct rtc_task *task);
extern int rtc_irq_set_state(struct rtc_device *rtc,
struct rtc_task *task, int enabled);
extern int rtc_irq_set_freq(struct rtc_device *rtc,
--
2.18.0
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