Initialize the device time (if it is wrong) before registering RTC device to fix following error message during rtc-s3c probe:
[ 2.215414] rtc (null): read_time: fail to read [ 2.216322] s3c-rtc 10070000.rtc: rtc core: registered s3c as rtc1 Signed-off-by: Krzysztof Kozlowski <[email protected]> --- drivers/rtc/rtc-s3c.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 5e162eaad277..1d3a4c58fec4 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -496,6 +496,22 @@ static int s3c_rtc_probe(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 1); + /* Check RTC Time */ + s3c_rtc_gettime(&pdev->dev, &rtc_tm); + + if (rtc_valid_tm(&rtc_tm)) { + rtc_tm.tm_year = 100; + rtc_tm.tm_mon = 0; + rtc_tm.tm_mday = 1; + rtc_tm.tm_hour = 0; + rtc_tm.tm_min = 0; + rtc_tm.tm_sec = 0; + + s3c_rtc_settime(&pdev->dev, &rtc_tm); + + dev_warn(&pdev->dev, "warning: invalid RTC value so initializing it\n"); + } + /* register RTC and exit */ info->rtc = devm_rtc_device_register(&pdev->dev, "s3c", &s3c_rtcops, THIS_MODULE); @@ -519,22 +535,6 @@ static int s3c_rtc_probe(struct platform_device *pdev) goto err_nortc; } - /* Check RTC Time */ - s3c_rtc_gettime(&pdev->dev, &rtc_tm); - - if (rtc_valid_tm(&rtc_tm)) { - rtc_tm.tm_year = 100; - rtc_tm.tm_mon = 0; - rtc_tm.tm_mday = 1; - rtc_tm.tm_hour = 0; - rtc_tm.tm_min = 0; - rtc_tm.tm_sec = 0; - - s3c_rtc_settime(&pdev->dev, &rtc_tm); - - dev_warn(&pdev->dev, "warning: invalid RTC value so initializing it\n"); - } - if (info->data->select_tick_clk) info->data->select_tick_clk(info); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
