linux-kernel - Re: [PATCH v6 5/7] ASoC: fsl_asrc: Move common definition to fsl_asrc

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Date:   Mon, 6 Apr 2020 16:48:20 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     timur@...nel.org, Xiubo.Lee@...il.com, festevam@...il.com,
        broonie@...nel.org, alsa-devel@...a-project.org,
        lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 5/7] ASoC: fsl_asrc: Move common definition to
 fsl_asrc_common

On Wed, Apr 01, 2020 at 04:45:38PM +0800, Shengjiu Wang wrote:

>  static int fsl_asrc_probe(struct platform_device *pdev)
>  {
>  	struct device_node *np = pdev->dev.of_node;
>  	struct fsl_asrc *asrc;
> +	struct fsl_asrc_priv *asrc_priv;

Could we move it before "struct fsl_asrc *asrc;"?

> diff --git a/sound/soc/fsl/fsl_asrc_common.h b/sound/soc/fsl/fsl_asrc_common.h
> new file mode 100644
> index 000000000000..5c93ccdfc30a
> --- /dev/null
> +++ b/sound/soc/fsl/fsl_asrc_common.h

> +#define PAIR_CTX_NUM  0x4
> +#define PAIR_PRIVAT_SIZE 0x400

"PRIVAT_" => "PRIVATE_"

> +/**
> + * fsl_asrc_pair: ASRC common data

"fsl_asrc_pair" => "fsl_asrc"

> + */
> +struct fsl_asrc {

> diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
> index b15946e03380..5cf0468ce6e3 100644
> --- a/sound/soc/fsl/fsl_asrc_dma.c
> +++ b/sound/soc/fsl/fsl_asrc_dma.c

> @@ -311,11 +311,12 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component,
>  		return ret;
>  	}
>  
> -	pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL);
> +	pair = kzalloc(sizeof(struct fsl_asrc_pair) + PAIR_PRIVAT_SIZE, GFP_KERNEL);

If we only use the PAIR_PRIVATE_SIZE here, maybe we can put the
define in this file too, rather than in the header file.

And could fit 80 characters:

+	pair = kzalloc(sizeof(*pair) + PAIR_PRIVAT_SIZE, GFP_KERNEL);