linux-kernel - Re: [PATCH 3/4] riscv: use BIT macros in t-head errata init

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Date:   Fri, 2 Sep 2022 09:06:05 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, conor.dooley@...rochip.com,
        apatel@...tanamicro.com, atishp@...osinc.com,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] riscv: use BIT macros in t-head errata init

Reviewed-by: Guo Ren <guoren@...nel.org>

On Fri, Sep 2, 2022 at 6:28 AM Heiko Stuebner <heiko@...ech.de> wrote:
>
> Using the appropriate BIT macro makes the code better readable.
>
> Suggested-by: Conor Dooley <conor.dooley@...rochip.com>
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> ---
>  arch/riscv/errata/thead/errata.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c
> index bffa711aaf64..a6f4bd8ccf3f 100644
> --- a/arch/riscv/errata/thead/errata.c
> +++ b/arch/riscv/errata/thead/errata.c
> @@ -49,10 +49,10 @@ static u32 thead_errata_probe(unsigned int stage,
>         u32 cpu_req_errata = 0;
>
>         if (errata_probe_pbmt(stage, archid, impid))
> -               cpu_req_errata |= (1U << ERRATA_THEAD_PBMT);
> +               cpu_req_errata |= BIT(ERRATA_THEAD_PBMT);
>
>         if (errata_probe_cmo(stage, archid, impid))
> -               cpu_req_errata |= (1U << ERRATA_THEAD_CMO);
> +               cpu_req_errata |= BIT(ERRATA_THEAD_CMO);
>
>         return cpu_req_errata;
>  }
> --
> 2.35.1
>


-- 
Best Regards
 Guo Ren