On Wed, Aug 15, 2012 at 12:50:13AM +0100, Olof Johansson wrote: > On Tue, Aug 14, 2012 at 06:52:08PM +0100, Catalin Marinas wrote: > > > diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c > > new file mode 100644 > > index 0000000..c4a4e1c > > --- /dev/null > > +++ b/arch/arm64/kernel/process.c > > @@ -0,0 +1,416 @@ > > [...] > > +/* > > + * Function pointers to optional machine specific functions > > + */ > > +void (*pm_power_off)(void); > > +EXPORT_SYMBOL(pm_power_off); > > + > > +void (*pm_restart)(const char *cmd); > > +EXPORT_SYMBOL_GPL(pm_restart); > [...] > > +void (*pm_idle)(void) = default_idle; > > +EXPORT_SYMBOL(pm_idle); > > Does it really make sense to export these to modules? Changed them to _GPL now but we may still want them exported to modules. Who knows, we may just have the SoC code in a loadable module (from initramfs). > I find the powerpc way of having a machine descriptor structure with these > (and other) function pointers in it a bit cleaner, since it gives you > one place to plug it all in. I'd recommend that you consider doing that > here as well, for these three and potentially other cases in the future. > > (See arch/powerpc/include/asm/machdep.h, struct machdep_calls). At some point we may add them but currently I want the SoC code to be minimal. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html