Re: [RFC][PATCH 1/6] RTC subsystem, class

[Mitchell Blank Jr <mitch@sfgoth.com>]

Alessandro Zummo wrote:
> > > +static const unsigned char rtc_days_in_month[] = {
> > > +	31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
> > > +};
> > > +EXPORT_SYMBOL(rtc_days_in_month);
> > 
> > exporting static symbols is pretty wrong.  Exporting tables is pretty
> > bad style aswell.
> 
>  Tables like this one are often used in rtc drivers. What
>  can I use instead?

Why not just provide a macro in a .h file?  Something like:

/* Days in month -- month is in the range (0..11), no leap year */
#define rtc_days_in_month(mon)	(28 + ((0xEEFBB3 >> ((mon) * 2)) & 3))

-Mitch