On Thu, Nov 8, 2012 at 10:01 PM, Stephen Warren <[email protected]> wrote: > From: Stephen Warren <[email protected]> > > Currently, whenever CONFIG_ARCH_USES_GETTIMEOFFSET is enabled, each > arch core provides a single implementation of arch_gettimeoffset(). In > many cases, different sub-architectures, different machines, or > different timer providers exist, and so the arch ends up implementing > arch_gettimeoffset() as a call-through-pointer anyway. Examples are > ARM, Cris, M68K, and it's arguable that the remaining architectures, > M32R and Blackfin, should be doing this anyway. > > Modify arch_gettimeoffset so that it itself is a function pointer, which > the arch initializes. This will allow later changes to move the > initialization of this function into individual machine support or timer > drivers. This is particularly useful for code in drivers/clocksource > which should rely on an arch-independant mechanism to register their > implementation of arch_gettimeoffset(). > > This patch also converts the Cris architecture to set arch_gettimeoffset > directly to the final implementation in time_init(), because Cris already > had separate time_init() functions per sub-architecture. M68K and ARM > are converted to set arch_gettimeoffset the final implementation in later > patches, because they already have function pointers in place for this > purpose. > > Cc: Russell King <[email protected]> > Cc: Mike Frysinger <[email protected]> > Cc: Mikael Starvik <[email protected]> > Cc: Jesper Nilsson <[email protected]> > Cc: Hirokazu Takata <[email protected]> > Cc: Geert Uytterhoeven <[email protected]>
The m68k changes look ok, so Acked-by: Geert Uytterhoeven <[email protected]> > Cc: John Stultz <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Signed-off-by: Stephen Warren <[email protected]> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
