linux-kernel - Re: [PATCH v6 07/11] firmware: imx: add driver for NXP EdgeLock Enclave

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Date:   Wed, 4 Oct 2023 08:40:46 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Pankaj Gupta <pankaj.gupta@....com>, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, clin@...e.com,
        conor+dt@...nel.org, pierre.gondois@....com, festevam@...il.com,
        linux-imx@....com, davem@...emloft.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, gaurav.jain@....com,
        alexander.stein@...tq-group.com, V.Sethi@....com
Subject: Re: [PATCH v6 07/11] firmware: imx: add driver for NXP EdgeLock
 Enclave

On 27/09/2023 19:53, Pankaj Gupta wrote:
> The Edgelock Enclave , is the secure enclave embedded in the SoC
> to support the features like HSM, SHE & V2X, using message based
> communication channel.
> 
> ELE FW communicates on a dedicated MU with application core where
> kernel is running. It exists on specific i.MX processors. e.g.
> i.MX8ULP, i.MX93.
> 
> Signed-off-by: Pankaj Gupta <pankaj.gupta@....com>

Where is the user-space tool? Please include it in the commit msg. We
talked about this already.

> ---
>  Documentation/ABI/testing/se-cdev         |   41 +
>  drivers/firmware/imx/Kconfig              |   12 +


...

> +
> +	ret = ele_mu_request_channel(dev, &priv->rx_chan,
> +				     &priv->ele_mb_cl, info->mbox_rx_name);
> +	if (ret) {
> +		if (ret != -EPROBE_DEFER)
> +			dev_err(dev, "Failed to request rx channel\n");
> +
> +		goto exit;
> +	}
> +
> +	priv->ctxs = devm_kzalloc(dev, sizeof(dev_ctx) * priv->max_dev_ctx,
> +				  GFP_KERNEL);
> +
> +	if (!priv->ctxs) {
> +		ret = -ENOMEM;
> +		dev_err(dev, "Fail allocate mem for private dev-ctxs.\n");

So you ignored the feedback... I assume you ignored it all, so:

NAK

Please go back and implement the feedback.

Best regards,
Krzysztof