diff options
Diffstat (limited to 'drivers/rtc/rtc-mxc.c')
| -rw-r--r-- | drivers/rtc/rtc-mxc.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index d9a038afedf0..31d3f375bc0f 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -256,19 +256,6 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) */ static int mxc_rtc_set_mmss(struct device *dev, time64_t time) { - struct rtc_plat_data *pdata = dev_get_drvdata(dev); - - /* - * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only - */ - if (is_imx1_rtc(pdata)) { - struct rtc_time tm; - - rtc_time64_to_tm(time, &tm); - tm.tm_year = 70; - time = rtc_tm_to_time64(&tm); - } - /* Avoid roll-over from reading the different registers */ do { set_alarm_or_time(dev, MXC_RTC_TIME, time); @@ -346,6 +333,23 @@ static int mxc_rtc_probe(struct platform_device *pdev) pdata->rtc = rtc; rtc->ops = &mxc_rtc_ops; + if (is_imx1_rtc(pdata)) { + struct rtc_time tm; + + /* 9bit days + hours minutes seconds */ + rtc->range_max = (1 << 9) * 86400 - 1; + + /* + * Set the start date as beginning of the current year. This can + * be overridden using device tree. + */ + rtc_time64_to_tm(ktime_get_real_seconds(), &tm); + rtc->start_secs = mktime64(tm.tm_year, 1, 1, 0, 0, 0); + rtc->set_start_time = true; + } else { + /* 16bit days + hours minutes seconds */ + rtc->range_max = (1 << 16) * 86400ULL - 1; + } pdata->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); if (IS_ERR(pdata->clk_ipg)) { |