[PATCH 2/5] lib: sbi: Introduce sbi_hart_protection_reconfigure() function

[Rahul Pathak]

On Fri, Jul 17, 2026 at 1:15 PM Anup Patel <anup.patel at oss.qualcomm.com> wrote:
>
> Instead of assuming that hart protection reconfiguration is unconfigure
> followed by configure, introduce a separate sbi_hart_protection_reconfigure()
> function and use it in switch_to_next_domain_context().
>
> Signed-off-by: Anup Patel <anup.patel at oss.qualcomm.com>
> ---
>  include/sbi/sbi_hart_protection.h |  7 +++++++
>  lib/sbi/sbi_domain_context.c      |  3 +--
>  lib/sbi/sbi_hart_protection.c     | 33 +++++++++++++++++++++++++------
>  3 files changed, 35 insertions(+), 8 deletions(-)
>
>
> +int sbi_hart_protection_configure(struct sbi_scratch *scratch)
> +{
> +       return __hart_protection_configure(scratch, sbi_hart_protection_best());
> +}
> +
> +void sbi_hart_protection_unconfigure(struct sbi_scratch *scratch)
> +{
> +       __hart_protection_unconfigure(scratch, sbi_hart_protection_best());
> +}
> +
> +int sbi_hart_protection_reconfigure(struct sbi_scratch *scratch)
> +{
> +       struct sbi_hart_protection *hprot = sbi_hart_protection_best();
> +       int ret;
> +
> +       __hart_protection_unconfigure(scratch, hprot);
> +       ret = __hart_protection_configure(scratch, hprot);
> +       if (ret)
> +               return ret;
Simply -  return  __hart_protection_configure(scratch, hprot);

> +
> +       return 0;
> +}