Commit 1560d084 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: remove rtc_irq_register/rtc_irq_unregister 



The rtc_irq_* interface is not used from outside the RTC subsytem since
2016.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent ec623ff0

drivers/rtc/interface.c

+0 −33
Original line number Diff line number Diff line
@@ -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)

{

	/*

include/linux/rtc.h

+0 −4
Original line number Diff line number Diff line
@@ -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,