[PATCH v2 02/21] armv7m: cache: add mmu_set_region_dcache_behaviour() stub for compatibility

Lukasz Majewski lukma at denx.de
Tue Jan 28 09:10:45 CET 2020


Hi Giulio,

> Since some driver 

I would prefer more verbose commit message. Please share which driver
requires this change.

> requires this function add it as an empty stub
> when DCACHE is OFF.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> ---
>  arch/arm/cpu/armv7m/cache.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/cpu/armv7m/cache.c b/arch/arm/cpu/armv7m/cache.c
> index f4ba3ad50e..7353698557 100644
> --- a/arch/arm/cpu/armv7m/cache.c
> +++ b/arch/arm/cpu/armv7m/cache.c
> @@ -291,6 +291,12 @@ void flush_dcache_all(void)
>  void invalidate_dcache_all(void)
>  {
>  }
> +
> +void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
> +				     enum dcache_option option)
> +{
> +}
> +
>  #endif
>  
>  #if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)


Best regards,

Lukasz Majewski

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