[PATCH] riscv: enable SiFive errata CIP-453 and CIP-1200 Kconfig only if CONFIG_64BIT=y

Vincent Chen vincent.chen at sifive.com
Thu May 6 04:53:35 BST 2021


Hi Palmer,
This patch is used to resolve issues that occurred in the "riscv:
sifive: Apply errata "cip-453" patch" reported by the Linux test
robot. Is it ok to use this separate patch to fix this issue, or
should I re-send the entire patch set including this fix?

Thanks,
Vincent Chen

On Thu, Apr 29, 2021 at 3:58 PM Vincent Chen <vincent.chen at sifive.com> wrote:
>
> The corresponding hardware issues of CONFIG_ERRATA_SIFIVE_CIP_453 and
> CONFIG_ERRATA_SIFIVE_CIP_1200 only exist in the SiFive 64bit CPU cores.
> Therefore, these two errata are required only if CONFIG_64BIT=y
>
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Vincent Chen <vincent.chen at sifive.com>
> ---
>  arch/riscv/Kconfig.erratas | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/Kconfig.erratas b/arch/riscv/Kconfig.erratas
> index d5d03ae..b44d6ec 100644
> --- a/arch/riscv/Kconfig.erratas
> +++ b/arch/riscv/Kconfig.erratas
> @@ -21,7 +21,7 @@ config ERRATA_SIFIVE
>
>  config ERRATA_SIFIVE_CIP_453
>         bool "Apply SiFive errata CIP-453"
> -       depends on ERRATA_SIFIVE
> +       depends on ERRATA_SIFIVE && 64BIT
>         default y
>         help
>           This will apply the SiFive CIP-453 errata to add sign extension
> @@ -32,7 +32,7 @@ config ERRATA_SIFIVE_CIP_453
>
>  config ERRATA_SIFIVE_CIP_1200
>         bool "Apply SiFive errata CIP-1200"
> -       depends on ERRATA_SIFIVE
> +       depends on ERRATA_SIFIVE && 64BIT
>         default y
>         help
>           This will apply the SiFive CIP-1200 errata to repalce all
> --
> 2.7.4
>



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