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rtc: ma35d1: remove hardcoded UIE support

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Let the core handle UIE instead of enabling it forcefully at probe which
means the RTC will generate an interrupt every second even when nobody
cares.

Link: https://lore.kernel.org/r/20231217225831.48581-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2023-12-17 23:58:31 +01:00
parent 33f4ac1654
commit e9a2162495
1 changed files with 0 additions and 20 deletions
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20
drivers/rtc/rtc-ma35d1.c
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@ -79,11 +79,6 @@ static irqreturn_t ma35d1_rtc_interrupt(int irq, void *data)
events |= RTC_AF | RTC_IRQF;
}
if (rtc_irq & RTC_INTSTS_UIF) {
rtc_reg_write(rtc, MA35_REG_RTC_INTSTS, RTC_INTSTS_UIF);
events |= RTC_UF | RTC_IRQF;
}
rtc_update_irq(rtc->rtcdev, 1, events);
return IRQ_HANDLED;
@ -216,7 +211,6 @@ static int ma35d1_rtc_probe(struct platform_device *pdev)
{
struct ma35_rtc *rtc;
struct clk *clk;
u32 regval;
int ret;
rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
@ -264,40 +258,26 @@ static int ma35d1_rtc_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(&pdev->dev, ret, "Failed to register rtc device\n");
regval = rtc_reg_read(rtc, MA35_REG_RTC_INTEN);
regval |= RTC_INTEN_UIEN;
rtc_reg_write(rtc, MA35_REG_RTC_INTEN, regval);
return 0;
}
static int ma35d1_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
struct ma35_rtc *rtc = platform_get_drvdata(pdev);
u32 regval;
if (device_may_wakeup(&pdev->dev))
enable_irq_wake(rtc->irq_num);
regval = rtc_reg_read(rtc, MA35_REG_RTC_INTEN);
regval &= ~RTC_INTEN_UIEN;
rtc_reg_write(rtc, MA35_REG_RTC_INTEN, regval);
return 0;
}
static int ma35d1_rtc_resume(struct platform_device *pdev)
{
struct ma35_rtc *rtc = platform_get_drvdata(pdev);
u32 regval;
if (device_may_wakeup(&pdev->dev))
disable_irq_wake(rtc->irq_num);
regval = rtc_reg_read(rtc, MA35_REG_RTC_INTEN);
regval |= RTC_INTEN_UIEN;
rtc_reg_write(rtc, MA35_REG_RTC_INTEN, regval);
return 0;
}