[PATCH v2 14/29] arm-soc: mvebu: replace open coded VA->PA conversion

Nicolas Pitre nicolas.pitre at linaro.org
Mon Sep 4 10:00:37 PDT 2017


On Sun, 3 Sep 2017, Ard Biesheuvel wrote:

> This replaces an open coded calculation to obtain the physical
> address of a far symbol with a call to the new ldr_l etc macro.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>

Acked-by: Nicolas Pitre <nico at linaro.org>

> ---
>  arch/arm/mach-mvebu/coherency_ll.S | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S
> index 8b2fbc8b6bc6..df0ccb5cef1d 100644
> --- a/arch/arm/mach-mvebu/coherency_ll.S
> +++ b/arch/arm/mach-mvebu/coherency_ll.S
> @@ -42,9 +42,7 @@ ENTRY(ll_get_coherency_base)
>  	ldr	r1, =coherency_base
>  	cmp	r1, #0
>  	beq	2f
> -	adr	r1, 3f
> -	ldr	r3, [r1]
> -	ldr	r1, [r1, r3]
> +	ldr_l	r1, coherency_phys_base
>  	b	2f
>  1:
>  	/*
> @@ -160,7 +158,3 @@ ENTRY(ll_disable_coherency)
>  	dsb
>  	ret	lr
>  ENDPROC(ll_disable_coherency)
> -
> -	.align 2
> -3:
> -	.long	coherency_phys_base - .
> -- 
> 2.11.0
> 
> 



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