rtc: zynqmp: 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-zynqmp.c b/drivers/rtc/rtc-zynqmp.c
index f0dd207..bb95094 100644 (file)
--- a/drivers/rtc/rtc-zynqmp.c
+++ b/drivers/rtc/rtc-zynqmp.c
@@ -49,7 +49,6 @@
 
 #define RTC_CALIB_DEF          0x198233
 #define RTC_CALIB_MASK         0x1FFFFF
-#define RTC_SEC_MAX_VAL                0xFFFFFFFF
 
 struct xlnx_rtc_dev {
        struct rtc_device       *rtc;
@@ -71,9 +70,6 @@ static int xlnx_rtc_set_time(struct device *dev, struct rtc_time *tm)
         */
        new_time = rtc_tm_to_time64(tm) + 1;
 
-       if (new_time > RTC_SEC_MAX_VAL)
-               return -EINVAL;
-
        /*
         * Writing into calibration register will clear the Tick Counter and
         * force the next second to be signaled exactly in 1 second period
@@ -154,9 +150,6 @@ static int xlnx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 
        alarm_time = rtc_tm_to_time64(&alrm->time);
 
-       if (alarm_time > RTC_SEC_MAX_VAL)
-               return -EINVAL;
-
        writel((u32)alarm_time, (xrtcdev->reg_base + RTC_ALRM));
 
        xlnx_rtc_alarm_irq_enable(dev, alrm->enabled);
@@ -227,6 +220,7 @@ static int xlnx_rtc_probe(struct platform_device *pdev)
                return PTR_ERR(xrtcdev->rtc);
 
        xrtcdev->rtc->ops = &xlnx_rtc_ops;
+       xrtcdev->rtc->range_max = U32_MAX;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);