[RFC 0/5] add rtc support

[Sascha Hauer]

On Thu, Jul 10, 2014 at 12:33:14PM +0400, Antony Pavlov wrote:
> This patchseries imports RTC support from linux-3.15.
> 
> User can use 'hwclock' command to see realtime clock readout.
> 
> Tested with DS1307.
> 
> TODOs:
> 
>  * rtc_set_time() is not realized;
>  * ds1307_set_time() is not tested;
>  * bcd lib is compiled in even if rtc support is disabled (as linux does);
>    we can make it optional;

It's probably not worth it. The linker will throw it away anyway if
unused.

>  * adjust include/linux/rtc.h and include/rtc.h;
>  * rtc_unregister() is not realized.

Maybe an environment variable which holds the seconds since epoch would
be useful. This way scripts could make use of the current RTC time.

Sascha

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