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[Deepin-Kernel-SIG] [Upstream] [linux 6.6-y] rtc: loongson: clear TOY_MATCH0_REG in loongson_rtc_isr() #584

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Merged
opsiff merged 1 commit into from
Feb 6, 2025
Merged

[Deepin-Kernel-SIG] [Upstream] [linux 6.6-y] rtc: loongson: clear TOY_MATCH0_REG in loongson_rtc_isr() #584

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13 changes: 8 additions & 5 deletions drivers/rtc/rtc-loongson.c
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,13 @@ static irqreturn_t loongson_rtc_isr(int irq, void *id)
struct loongson_rtc_priv *priv = (struct loongson_rtc_priv *)id;

rtc_update_irq(priv->rtcdev, 1, RTC_AF | RTC_IRQF);

/*
* The TOY_MATCH0_REG should be cleared 0 here,
* otherwise the interrupt cannot be cleared.
*/
regmap_write(priv->regmap, TOY_MATCH0_REG, 0);

return IRQ_HANDLED;
}

Expand All @@ -131,11 +138,7 @@ static u32 loongson_rtc_handler(void *id)
writel(RTC_STS, priv->pm_base + PM1_STS_REG);
spin_unlock(&priv->lock);

/*
* The TOY_MATCH0_REG should be cleared 0 here,
* otherwise the interrupt cannot be cleared.
*/
return regmap_write(priv->regmap, TOY_MATCH0_REG, 0);
return ACPI_INTERRUPT_HANDLED;
}

static int loongson_rtc_set_enabled(struct device *dev)
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