linux-kernel - Re: [RFC PATCH 1/5] mtd: nand: ecc-qcom: Add support for ECC Engine Driver

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Message-ID: <b9af01d2-1a86-4b41-9bd6-3bf7a0dde1c0@linaro.org>
Date:   Tue, 31 Oct 2023 18:11:08 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Md Sadre Alam <quic_mdalam@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        conor+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        broonie@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-spi@...r.kernel.org,
        quic_srichara@...cinc.com, qpic_varada@...cinc.com
Subject: Re: [RFC PATCH 1/5] mtd: nand: ecc-qcom: Add support for ECC Engine
 Driver

On 31/10/2023 13:03, Md Sadre Alam wrote:

Eh? Empty?

> Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
> Signed-off-by: Sricharan R <quic_srichara@...cinc.com>
> ---
>  drivers/mtd/nand/Kconfig    |   7 ++
>  drivers/mtd/nand/Makefile   |   1 +
>  drivers/mtd/nand/ecc-qcom.c | 198 ++++++++++++++++++++++++++++++++++++
>  3 files changed, 206 insertions(+)
>  create mode 100644 drivers/mtd/nand/ecc-qcom.c
> 

...

> +
> +	return 0;
> +}
> +EXPORT_SYMBOL(qcom_ecc_config);
> +
> +void qcom_ecc_enable(struct qcom_ecc *ecc)
> +{
> +	ecc->use_ecc = true;
> +}
> +EXPORT_SYMBOL(qcom_ecc_enable);

Drop this and all other exports. Nothing here explains the need for them.

> +
> +void qcom_ecc_disable(struct qcom_ecc *ecc)
> +{
> +	ecc->use_ecc = false;
> +}
> +EXPORT_SYMBOL(qcom_ecc_disable);
> +
> +static const struct of_device_id qpic_ecc_dt_match[] = {
> +	{
> +		.compatible = "qcom,ipq9574-ecc",

Please run scripts/checkpatch.pl and fix reported warnings. Some
warnings can be ignored, but the code here looks like it needs a fix.
Feel free to get in touch if the warning is not clear.

Checkpatch is preerquisite. Don't send patches which have obvious issues
pointed out by checkpatch. It's a waste of reviewers time.

> +	},
> +	{},
> +};
> +
> +static int qpic_ecc_probe(struct platform_device *pdev)
> +{
> +	struct device *dev = &pdev->dev;
> +	struct qpic_ecc *ecc;
> +	u32 max_eccdata_size;
> +
> +	ecc = devm_kzalloc(dev, sizeof(*ecc), GFP_KERNEL);
> +	if (!ecc)
> +		return -ENOMEM;
> +
> +	ecc->caps = of_device_get_match_data(dev);
> +
> +	ecc->dev = dev;
> +	platform_set_drvdata(pdev, ecc);
> +	dev_info(dev, "probed\n");

No, no such messages.



Best regards,
Krzysztof