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rtc: pic32: let the core handle range

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Let the core handle the RTC range instead of open coding it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-03-04 11:19:02 +01:00
parent 6515e23b9f
commit c145e5f4a4
1 changed files with 3 additions and 7 deletions
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10
drivers/rtc/rtc-pic32.c
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@ -180,22 +180,16 @@ static int pic32_rtc_settime(struct device *dev, struct rtc_time *tm)
{
struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);
void __iomem *base = pdata->reg_base;
int year = tm->tm_year - 100;
dev_dbg(dev, "set time %ptR\n", tm);
if (year < 0 || year >= 100) {
dev_err(dev, "rtc only supports 100 years\n");
return -EINVAL;
}
clk_enable(pdata->clk);
writeb(bin2bcd(tm->tm_sec), base + PIC32_RTCSEC);
writeb(bin2bcd(tm->tm_min), base + PIC32_RTCMIN);
writeb(bin2bcd(tm->tm_hour), base + PIC32_RTCHOUR);
writeb(bin2bcd(tm->tm_mday), base + PIC32_RTCDAY);
writeb(bin2bcd(tm->tm_mon + 1), base + PIC32_RTCMON);
writeb(bin2bcd(year), base + PIC32_RTCYEAR);
writeb(bin2bcd(tm->tm_year - 100), base + PIC32_RTCYEAR);
clk_disable(pdata->clk);
return 0;
@ -353,6 +347,8 @@ static int pic32_rtc_probe(struct platform_device *pdev)
return PTR_ERR(pdata->rtc);
pdata->rtc->ops = &pic32_rtcops;
pdata->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
pdata->rtc->range_max = RTC_TIMESTAMP_END_2099;
ret = rtc_register_device(pdata->rtc);
if (ret)