Re: [PATCH 3/7] sh: Implement a default flush_dcache_all

[Marek Vasut <marex@denx.de>]

On 6/19/24 11:27 PM, Tom Rini wrote:
> Implement a weak default version of flush_dcache_all which is based on
> the ARM default, which is to flush the entire range via
> flush_dcache_range(...).
> 
> Signed-off-by: Tom Rini <trini@konsulko.com>
> ---
> Cc: Marek Vasut <marex@denx.de>
> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> ---
>   arch/sh/cpu/sh4/cache.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 
> diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
> index 8c1839935ca1..f0cb39d6a923 100644
> --- a/arch/sh/cpu/sh4/cache.c
> +++ b/arch/sh/cpu/sh4/cache.c
> @@ -65,6 +65,15 @@ void flush_dcache_range(unsigned long start, unsigned long end)
>   	}
>   }
>   
> +/*
> + * Default implementation:
> + * do a range flush for the entire range
> + */
> +void flush_dcache_all(void)
> +{
> +	flush_dcache_range(0, ~0);
> +}
The current implementation that is in tree should be fine, thanks.