The PCF85063 RTC needs special treatment while setting or reading the time/date:
- while reading the 7 time/date registers they are blocked from updating by the one second pulse internally. So reading all time/date registers should happen in one turn to ensure reading is an atomic operation - to let setting the time/date be an atomic operation as well, the clock dividers must be kept in reset state to avoid a one second pulse during writing the 7 time/date registers Patch 1 and 2 change reading the time/date. I have kept them separately for easier review. Squasching both into one patch render it more or less unreadable. Patch 3 changes setting the time/date. Comments are welcome Juergen Please keep me on CC as I'm not subscribed to the list. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
