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

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Message-ID: <20220902095005.gbxsrrllfis3yi5g@kamzik>
Date:   Fri, 2 Sep 2022 11:50:05 +0200
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, conor.dooley@...rochip.com,
        guoren@...nel.org, 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

On Fri, Sep 02, 2022 at 12:27:43AM +0200, Heiko Stuebner 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
>

Reviewed-by: Andrew Jones <ajones@...tanamicro.com>