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Message-ID: <7370f18b-e273-69f2-1cc9-a42495e04874@canonical.com>
Date:   Mon, 17 Jan 2022 13:01:40 +0100
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Subject: Re: [PATCH v3 5/7] memory: mtk-smi: Fix the return value for
 clk_bulk_prepare_enable
Content-Language: en-US
To:     Yong Wu <yong.wu@mediatek.com>, Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>
Cc:     Joerg Roedel <joro@8bytes.org>, Tomasz Figa <tfiga@chromium.org>,
        linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org, youlin.pei@mediatek.com,
        anan.sun@mediatek.com, lc.kan@mediatek.com, yi.kuo@mediatek.com,
        anthony.huang@mediatek.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
References: <20220113111057.29918-1-yong.wu@mediatek.com>
 <20220113111057.29918-6-yong.wu@mediatek.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
In-Reply-To: <20220113111057.29918-6-yong.wu@mediatek.com>
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Precedence: bulk

On 13/01/2022 12:10, Yong Wu wrote:
> Function clk_bulk_prepare_enable() returns 0 for success or a negative
> number for error. Fix this code style issue.

The message does not really make sense. If negative is returned, then
the check (ret < 0) was correct.

I guess you wanted to say that common code style is to check for any
non-zero return value, just like it's implementation in clk.h does.

I'll adjust the commit msg when applying.

> 
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  drivers/memory/mtk-smi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
> index b883dcc0bbfa..e7b1a22b12ea 100644
> --- a/drivers/memory/mtk-smi.c
> +++ b/drivers/memory/mtk-smi.c
> @@ -480,7 +480,7 @@ static int __maybe_unused mtk_smi_larb_resume(struct device *dev)
>  	int ret;
>  
>  	ret = clk_bulk_prepare_enable(larb->smi.clk_num, larb->smi.clks);
> -	if (ret < 0)
> +	if (ret)
>  		return ret;
>  
>  	/* Configure the basic setting for this larb */
> 


Best regards,
Krzysztof