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authorBaolin Wang <baolin.wang@linaro.org>2018-10-18 11:52:28 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2018-10-25 03:35:39 +0300
commitb2ddc48582efa157635f7ef815c9d4a657e2cabd (patch)
tree75e45229469995cf98a4d716856109ef1d8c63cf /drivers/rtc
parent7db5adfa63167dac548022c973e00da7f56ffb72 (diff)
downloadlinux-b2ddc48582efa157635f7ef815c9d4a657e2cabd.tar.xz
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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-sc27xx.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/rtc/rtc-sc27xx.c b/drivers/rtc/rtc-sc27xx.c
index 6ac56538682e..4ecabe6c9429 100644
--- a/drivers/rtc/rtc-sc27xx.c
+++ b/drivers/rtc/rtc-sc27xx.c
@@ -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) {