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Commit 3b128fe0 authored by Mike Frysinger's avatar Mike Frysinger Committed by Linus Torvalds
Browse files

blackfin RTC driver: disable the write complete irq upon close 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 605eb8b3

drivers/rtc/rtc-bfin.c

+4 −4
Original line number Diff line number Diff line
@@ -144,13 +144,13 @@ static void bfin_rtc_sync_pending(struct device *dev) 
 * Initialize the RTC.  Enable pre-scaler to scale RTC clock

 * to 1Hz and clear interrupt/status registers.

 */

static void bfin_rtc_reset(struct device *dev)

static void bfin_rtc_reset(struct device *dev, u16 rtc_ictl)

{

	struct bfin_rtc *rtc = dev_get_drvdata(dev);

	dev_dbg_stamp(dev);

	bfin_rtc_sync_pending(dev);

	bfin_write_RTC_PREN(0x1);

	bfin_write_RTC_ICTL(RTC_ISTAT_WRITE_COMPLETE);

	bfin_write_RTC_ICTL(rtc_ictl);

	bfin_write_RTC_SWCNT(0);

	bfin_write_RTC_ALARM(0);

	bfin_write_RTC_ISTAT(0xFFFF);
@@ -226,7 +226,7 @@ static int bfin_rtc_open(struct device *dev) 


	ret = request_irq(IRQ_RTC, bfin_rtc_interrupt, IRQF_SHARED, to_platform_device(dev)->name, dev);

	if (!ret)

		bfin_rtc_reset(dev);

		bfin_rtc_reset(dev, RTC_ISTAT_WRITE_COMPLETE);



	return ret;

}
@@ -234,7 +234,7 @@ static int bfin_rtc_open(struct device *dev) 
static void bfin_rtc_release(struct device *dev)

{

	dev_dbg_stamp(dev);

	bfin_rtc_reset(dev);

	bfin_rtc_reset(dev, 0);

	free_irq(IRQ_RTC, dev);

}