[PATCH] ARM: proc-v7: remove harvard cache stuff

Kyungmin Park kmpark at infradead.org
Thu Jan 5 01:42:13 EST 2012


Reviewed-by: Kyungmin Park <kyungmin.park at samsung.com>

On 1/5/12, Shawn Guo <shawn.guo at linaro.org> wrote:
> The harvard cache related comment and code in proc-v7.S were copied
> from proc-v6.S by mistake, so let's remove them.
>
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> ---
>  arch/arm/mm/proc-v7.S |    7 -------
>  1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> index e70a737..59a4077 100644
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -271,10 +271,6 @@ ENDPROC(cpu_v7_do_resume)
>   *	Initialise TLB, Caches, and MMU state ready to switch the MMU
>   *	on.  Return in r0 the new CP15 C1 control register setting.
>   *
> - *	We automatically detect if we have a Harvard cache, and use the
> - *	Harvard cache control instructions insead of the unified cache
> - *	control instructions.
> - *
>   *	This should be able to cover all ARMv7 cores.
>   *
>   *	It is assumed that:
> @@ -373,9 +369,6 @@ __v7_setup:
>  #endif
>
>  3:	mov	r10, #0
> -#ifdef HARVARD_CACHE
> -	mcr	p15, 0, r10, c7, c5, 0		@ I+BTB cache invalidate
> -#endif
>  	dsb
>  #ifdef CONFIG_MMU
>  	mcr	p15, 0, r10, c8, c7, 0		@ invalidate I + D TLBs
> --
> 1.7.4.1
>
>
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