Jamie Iles wrote at Friday, November 11, 2011 4:45 AM:
> On Fri, Nov 11, 2011 at 01:22:10PM +0200, Peter De Schrijver wrote:
> > This patch splits the early init code in a common and a tegra20 specific part.
> > L2 cache initialization is generalized and discovers the cache associativity
> > at runtime. Also use arm_pm_restart instead of arm_arch_reset and reset the
> > the system using the PMC reset feature rather then the CAR system reset.
...
> > diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
...
> > +static struct {
> > + const char *machine;
> > + void (*init)(void);
> > +} early_init[] __initdata = {
> > +#ifdef CONFIG_ARCH_TEGRA_2x_SOC
> > + { "nvidia,tegra20", tegra20_init_early },
> > +#endif
> > +};
> > +
> > +static void __init tegra_init_early(void)
> > +{
> > +
> > + int i;
> > +
> > + for (i = 0; i < ARRAY_SIZE(early_init); i++)
> > + if (of_machine_is_compatible(early_init[i].machine))
> > + return early_init[i].init();
> > +
> > + pr_warn("Unknown platform detected\n");
> > +}
>
> Wouldn't it be better just to have separate machine descs for tegra20
> and tegra30 and have a different .init_early for each? I'm not sure
> that this extra indirection buys us much, especially if we had to repeat
> it for any of the other entries.
Jamie, thanks for pointing that. I think that does sound a lot simpler.
--
nvpublic
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