rtc: pic32: let the core handle range

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-pic32.c b/drivers/rtc/rtc-pic32.c
index 43bd701..7824acc 100644 (file)
--- a/drivers/rtc/rtc-pic32.c
+++ b/drivers/rtc/rtc-pic32.c
@@ -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)