[PATCH 1/7] m68k: Implement a default flush_dcache_all

[Ilias Apalodimas]

On Thu, 20 Jun 2024 at 00:28, Tom Rini <trini at konsulko.com> 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 at konsulko.com>
> ---
> Cc: Huan Wang <alison.wang at nxp.com>
> Cc: Angelo Dureghello <angelo at kernel-space.org>
> ---
>  arch/m68k/lib/cache.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/m68k/lib/cache.c b/arch/m68k/lib/cache.c
> index de04124404cf..dab834c1cbd8 100644
> --- a/arch/m68k/lib/cache.c
> +++ b/arch/m68k/lib/cache.c
> @@ -134,6 +134,15 @@ void dcache_invalid(void)
>  #endif
>  }
>
> +/*
> + * Default implementation:
> + * do a range flush for the entire range
> + */
> +__weak void flush_dcache_all(void)
> +{
> +       flush_dcache_range(0, ~0);
> +}
> +
>  __weak void invalidate_dcache_range(unsigned long start, unsigned long stop)
>  {
>         /* An empty stub, real implementation should be in platform code */
> --
> 2.34.1
>

Acked-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>