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rtc: mxc_v2: let the core handle rtc range

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This RTC is a 32-bit second counter.

This also solves an issue where mxc_rtc_set_alarm() can return with the
lock taken.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-05-19 10:04:46 +02:00
parent 5490a1e018
commit 95fbfa14b4
1 changed files with 1 additions and 10 deletions
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11
drivers/rtc/rtc-mxc_v2.c
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@ -165,11 +165,6 @@ static int mxc_rtc_set_time(struct device *dev, struct rtc_time *tm)
time64_t time = rtc_tm_to_time64(tm);
int ret;
if (time > U32_MAX) {
dev_err(dev, "RTC exceeded by %llus\n", time - U32_MAX);
return -EINVAL;
}
ret = mxc_rtc_lock(pdata);
if (ret)
return ret;
@ -248,11 +243,6 @@ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (ret)
return ret;
if (time > U32_MAX) {
dev_err(dev, "Hopefully I am out of service by then :-(\n");
return -EINVAL;
}
writel((u32)time, pdata->ioaddr + SRTC_LPSAR);
/* clear alarm interrupt status bit */
@ -348,6 +338,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
return PTR_ERR(pdata->rtc);
pdata->rtc->ops = &mxc_rtc_ops;
pdata->rtc->range_max = U32_MAX;
clk_disable(pdata->clk);
platform_set_drvdata(pdev, pdata);