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Merge "rtc-pm8xxx: Clear Alarm register on resume"

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qctecmdr 2020-03-14 15:40:41 -07:00 • committed by Gerrit - the friendly Code Review server
commit 462ccc5bb6
1 changed files with 12 additions and 1 deletions
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13
drivers/rtc/rtc-pm8xxx.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2010-2011, 2019, The Linux Foundation. All rights reserved. */
/* Copyright (c) 2010-2011, 2019-2020, The Linux Foundation. All rights reserved. */
#include <linux/of.h>
#include <linux/module.h>
@ -301,6 +301,7 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev);
const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
unsigned int ctrl_reg;
u8 value[NUM_8_BIT_RTC_REGS] = {0};
spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags);
@ -319,6 +320,16 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
goto rtc_rw_fail;
}
/* Clear Alarm register */
if (!enable) {
rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value,
sizeof(value));
if (rc) {
dev_err(dev, "Write to RTC ALARM register failed\n");
goto rtc_rw_fail;
}
}
rtc_rw_fail:
spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags);
return rc;