[PATCH v3 02/10] ARM: tegra: export Tegra chipid

Colin Cross ccross at android.com
Mon Feb 20 18:13:10 EST 2012


On Thu, Feb 9, 2012 at 3:47 PM, Peter De Schrijver
<pdeschrijver at nvidia.com> wrote:
> The powergating and reset handling code needs to differentiate between Tegra
> variants. Therefore we export the chipid here.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver at nvidia.com>
> ---
>  arch/arm/mach-tegra/fuse.c |    2 +-
>  arch/arm/mach-tegra/fuse.h |    1 +
>  2 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c
> index 032a936..3298880 100644
> --- a/arch/arm/mach-tegra/fuse.c
> +++ b/arch/arm/mach-tegra/fuse.c
> @@ -34,7 +34,7 @@
>  int tegra_sku_id;
>  int tegra_cpu_process_id;
>  int tegra_core_process_id;
> -static int tegra_chip_id;
> +int tegra_chip_id;
>  enum tegra_revision tegra_revision;
>
>  /* The BCT to use at boot is specified by board straps that can be read
> diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h
> index c554572..d2107b2 100644
> --- a/arch/arm/mach-tegra/fuse.h
> +++ b/arch/arm/mach-tegra/fuse.h
> @@ -41,6 +41,7 @@ enum tegra_revision {
>  extern int tegra_sku_id;
>  extern int tegra_cpu_process_id;
>  extern int tegra_core_process_id;
> +extern int tegra_chip_id;
>  extern enum tegra_revision tegra_revision;
>
>  extern int tegra_bct_strapping;

Other platforms use accessors for this (cpu_is_xxx(), although
soc_is_xxx() is probably more appropriate).



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