From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Mon, 4 Mar 2019 10:19:02 +0000 (+0100)
Subject: rtc: pic32: let the core handle range
X-Git-Tag: v5.4-rc1~1470^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c145e5f4a4b76971d42098775a2443bdd4884de4;p=platform%2Fkernel%2Flinux-rpi.git

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
--- 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)