[PATCH] ARM: Versatile Express: extend the MPIDR range used for pen release check

[Nicolas Pitre]

On Tue, 22 Jan 2013, Lorenzo Pieralisi wrote:

> In ARM multi-cluster systems the MPIDR affinity level 0 cannot be used as a
> single cpu identifier, affinity levels 1 and 2 must be taken into account as
> well.
> This patch extends the MPIDR usage to affinity levels 1 and 2 in versatile
> secondary cores start up code in order to compare the passed pen_release
> value with the full-blown affinity mask.
> 
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> Signed-off-by: Liviu Dudau <Liviu.Dudau at arm.com>

Note that my b.L series makes this patch obsolete.



> ---
>  arch/arm/plat-versatile/headsmp.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/plat-versatile/headsmp.S b/arch/arm/plat-versatile/headsmp.S
> index dd703ef..b178d44 100644
> --- a/arch/arm/plat-versatile/headsmp.S
> +++ b/arch/arm/plat-versatile/headsmp.S
> @@ -20,7 +20,7 @@
>   */
>  ENTRY(versatile_secondary_startup)
>  	mrc	p15, 0, r0, c0, c0, 5
> -	and	r0, r0, #15
> +	bic	r0, #0xff000000
>  	adr	r4, 1f
>  	ldmia	r4, {r5, r6}
>  	sub	r4, r4, r5
> -- 
> 1.7.12
> 
> 
> 
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