[PATCH] Make MIPS dynamic clocksource/clockevent clock code generic v2

Mikael Pettersson mikpe at it.uu.se
Tue Oct 20 19:02:31 EDT 2009


Linus Walleij writes:
 > This moves the clocksource_set_clock() and clockevent_set_clock()
 > from the MIPS timer code into clockchips and clocksource where
 > it belongs. The patch was triggered by code posted by Mikael
 > Pettersson duplicating this code for the IOP ARM system. The
 > function signatures where altered slightly to fit into their
 > destination header files, unsigned int changed to u32 and inlined.
 > 
 > Signed-off-by: Linus Walleij <linus.walleij at stericsson.com>
 > Cc: Thomas Gleixner <tglx at linutronix.de>
 > Tested-by: Mikael Pettersson <mikpe at it.uu.se>
 > Reviewed-by: Ralf Baechle <ralf at linux-mips.org>
 > ---
 > Changes v1->v2:
 > - Fixed Mikaels comments: spelling, terminology.
 > - Kept the functions inline: all uses and foreseen uses
 >   are once per kernel and all are in __init or __cpuinit sections.
 > - Unable to break out common code - the code is not common and
 >   implementing two execution paths will be more awkward.
 > - Hoping the tglx likes it anyway.

Very minor spelling nits below.

 > --- a/include/linux/clockchips.h
 > +++ b/include/linux/clockchips.h
 > @@ -115,6 +115,28 @@ static inline unsigned long div_sc(unsigned long ticks, unsigned long nsec,
 >  	return (unsigned long) tmp;
 >  }
 >  
 > +/**
 > + * clockevent_set_clock - calculates an appropriate shift
 > + *			  and mult values for a clockevent given a

can't have 'an' and a plural form, so s/an //

 > --- a/include/linux/clocksource.h
 > +++ b/include/linux/clocksource.h
 > @@ -257,6 +257,28 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
 >  }
 >  
 >  /**
 > + * clocksource_set_clock - calculates an appropriate shift
 > + *			   and mult values for a clocksource given a

ditto



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