[PATCH v3 10/16] lib: sbi: Extend sbi_system_reset() for domains

Atish Patra atishp at atishpatra.org
Mon Oct 19 19:16:02 EDT 2020


On Mon, Oct 19, 2020 at 5:56 AM Anup Patel <anup.patel at wdc.com> wrote:
>
> The sbi_system_reset() should issue platform system reset only if
> domain of current HART is allowed to do system reset.
>
> This patch extends sbi_system_reset() as-per above.
>
> Signed-off-by: Anup Patel <anup.patel at wdc.com>
> ---
>  lib/sbi/sbi_system.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c
> index a938003..96290b3 100644
> --- a/lib/sbi/sbi_system.c
> +++ b/lib/sbi/sbi_system.c
> @@ -37,9 +37,10 @@ void __noreturn sbi_system_reset(u32 platform_reset_type)
>         /* Stop current HART */
>         sbi_hsm_hart_stop(scratch, FALSE);
>
> -       /* Platform specific reset */
> -       sbi_platform_system_reset(sbi_platform_ptr(scratch),
> -                                 platform_reset_type);
> +       /* Platform specific reset if domain allowed system reset */
> +       if (dom->system_reset_allowed)
> +               sbi_platform_system_reset(sbi_platform_ptr(scratch),
> +                                         platform_reset_type);
>
>         /* If platform specific reset did not work then do sbi_exit() */
>         sbi_exit(scratch);
> --
> 2.25.1
>
>
> --
> opensbi mailing list
> opensbi at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/opensbi


Reviewed-by: Atish Patra <atish.patra at wdc.com>

-- 
Regards,
Atish



More information about the opensbi mailing list