rtc: omap: let the core handle range

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

Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index bbff0e2..2f28e21 100644 (file)
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -271,7 +271,7 @@ static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 }
 
 /* this hardware doesn't support "don't care" alarm fields */
-static int tm2bcd(struct rtc_time *tm)
+static void tm2bcd(struct rtc_time *tm)
 {
        tm->tm_sec = bin2bcd(tm->tm_sec);
        tm->tm_min = bin2bcd(tm->tm_min);
@@ -279,13 +279,7 @@ static int tm2bcd(struct rtc_time *tm)
        tm->tm_mday = bin2bcd(tm->tm_mday);
 
        tm->tm_mon = bin2bcd(tm->tm_mon + 1);
-
-       /* epoch == 1900 */
-       if (tm->tm_year < 100 || tm->tm_year > 199)
-               return -EINVAL;
        tm->tm_year = bin2bcd(tm->tm_year - 100);
-
-       return 0;
 }
 
 static void bcd2tm(struct rtc_time *tm)
@@ -328,8 +322,7 @@ static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
        struct omap_rtc *rtc = dev_get_drvdata(dev);
 
-       if (tm2bcd(tm) < 0)
-               return -EINVAL;
+       tm2bcd(tm);
 
        local_irq_disable();
        rtc_wait_not_busy(rtc);
@@ -378,8 +371,7 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
        struct omap_rtc *rtc = dev_get_drvdata(dev);
        u8 reg, irqwake_reg = 0;
 
-       if (tm2bcd(&alm->time) < 0)
-               return -EINVAL;
+       tm2bcd(&alm->time);
 
        local_irq_disable();
        rtc_wait_not_busy(rtc);
@@ -444,11 +436,7 @@ again:
        rtc_tm_to_time(&tm, &now);
        rtc_time_to_tm(now + 1, &tm);
 
-       if (tm2bcd(&tm) < 0) {
-               dev_err(&rtc->rtc->dev, "power off failed\n");
-               rtc->type->lock(rtc);
-               return;
-       }
+       tm2bcd(&tm);
 
        rtc_wait_not_busy(rtc);
 
@@ -845,6 +833,8 @@ static int omap_rtc_probe(struct platform_device *pdev)
        }
 
        rtc->rtc->ops = &omap_rtc_ops;
+       rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+       rtc->rtc->range_max = RTC_TIMESTAMP_END_2099;
        omap_rtc_nvmem_config.priv = rtc;
 
        /* handle periodic and alarm irqs */