diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-06-04 16:15:28 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-06-07 20:10:17 +0200 |
| commit | b8e62b58bc004391c68890ab0313317cff07fb6b (patch) | |
| tree | 9608219c04d1ab0dcfaab991f1d02c6aa11fda62 /drivers/rtc | |
| parent | 73318f8b6bf0dbdbff4f21a3fff02d1467479555 (diff) | |
| download | linux-stable-b8e62b58bc004391c68890ab0313317cff07fb6b.tar.gz linux-stable-b8e62b58bc004391c68890ab0313317cff07fb6b.tar.bz2 linux-stable-b8e62b58bc004391c68890ab0313317cff07fb6b.zip | |
rtc: ftrtc010: let the core handle range
The current range handling is highly suspicious. Anyway, let the core
handle it.
The RTC has a 32 bit counter on top of days + hh:mm:ss registers.
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ftrtc010.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-ftrtc010.c b/drivers/rtc/rtc-ftrtc010.c index 2cdc78ffeb17..61f798c6101f 100644 --- a/drivers/rtc/rtc-ftrtc010.c +++ b/drivers/rtc/rtc-ftrtc010.c @@ -95,9 +95,6 @@ static int ftrtc010_rtc_set_time(struct device *dev, struct rtc_time *tm) u32 sec, min, hour, day, offset; timeu64_t time; - if (tm->tm_year >= 2148) /* EPOCH Year + 179 */ - return -EINVAL; - time = rtc_tm_to_time64(tm); sec = readl(rtc->rtc_base + FTRTC010_RTC_SECOND); @@ -120,6 +117,7 @@ static const struct rtc_class_ops ftrtc010_rtc_ops = { static int ftrtc010_rtc_probe(struct platform_device *pdev) { + u32 days, hour, min, sec; struct ftrtc010_rtc *rtc; struct device *dev = &pdev->dev; struct resource *res; @@ -172,6 +170,15 @@ static int ftrtc010_rtc_probe(struct platform_device *pdev) rtc->rtc_dev->ops = &ftrtc010_rtc_ops; + sec = readl(rtc->rtc_base + FTRTC010_RTC_SECOND); + min = readl(rtc->rtc_base + FTRTC010_RTC_MINUTE); + hour = readl(rtc->rtc_base + FTRTC010_RTC_HOUR); + days = readl(rtc->rtc_base + FTRTC010_RTC_DAYS); + + rtc->rtc_dev->range_min = (u64)days * 86400 + hour * 3600 + + min * 60 + sec; + rtc->rtc_dev->range_max = U32_MAX + rtc->rtc_dev->range_min; + ret = devm_request_irq(dev, rtc->rtc_irq, ftrtc010_rtc_interrupt, IRQF_SHARED, pdev->name, dev); if (unlikely(ret)) |