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rtc: sc27xx: Remove interrupts disable and clear in probe() 

When registering one rtc device, it will check to see if there is an
alarm already set in rtc hardware by issuing __rtc_read_alarm(). So
we should not disable the RTC interrupts and clear the interrupts
status in probe() function.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Baolin Wang 2018-10-18 16:52:28 +08:00 committed by Alexandre Belloni
parent 7db5adfa63
commit b2ddc48582
1 changed files with 0 additions and 20 deletions
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20
drivers/rtc/rtc-sc27xx.c
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@ -129,19 +129,6 @@ static int sprd_rtc_clear_alarm_ints(struct sprd_rtc *rtc)
SPRD_RTC_ALM_INT_MASK);
}
static int sprd_rtc_disable_ints(struct sprd_rtc *rtc)
{
int ret;
ret = regmap_update_bits(rtc->regmap, rtc->base + SPRD_RTC_INT_EN,
SPRD_RTC_INT_MASK, 0);
if (ret)
return ret;
return regmap_write(rtc->regmap, rtc->base + SPRD_RTC_INT_CLR,
SPRD_RTC_INT_MASK);
}
static int sprd_rtc_lock_alarm(struct sprd_rtc *rtc, bool lock)
{
int ret;
@ -609,13 +596,6 @@ static int sprd_rtc_probe(struct platform_device *pdev)
rtc->dev = &pdev->dev;
platform_set_drvdata(pdev, rtc);
/* clear all RTC interrupts and disable all RTC interrupts */
ret = sprd_rtc_disable_ints(rtc);
if (ret) {
dev_err(&pdev->dev, "failed to disable RTC interrupts\n");
return ret;
}
/* check if RTC time values are valid */
ret = sprd_rtc_check_power_down(rtc);
if (ret) {