yanhua wrote: > The original driver will exit when detect rtc binary mode. In fact both > the binary mode and bcd are supported [...] > diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c > index b6d35f5..85c327e 100644 > --- a/drivers/rtc/rtc-cmos.c > +++ b/drivers/rtc/rtc-cmos.c > @@ -757,7 +757,7 @@ cmos_do_probe(struct device *dev, struct resource > *ports, int rtc_irq) > * <asm-generic/rtc.h> doesn't know 12-hour mode either. > */ > if (is_valid_irq(rtc_irq) && > - (!(rtc_control & RTC_24H) || (rtc_control & (RTC_DM_BINARY)))) { > + (!(rtc_control & RTC_24H) /*|| (rtc_control & (RTC_DM_BINARY))*/)) { > dev_dbg(dev, "only 24-hr BCD mode supported\n"); Perhaps the message should be changed too then... > retval = -ENXIO; > goto cleanup1; WBR, Sergei