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Message-ID: <a15fa97e-de7d-c2a6-e39a-2dd7ba8caf31@linaro.org>
Date:   Fri, 23 Sep 2022 19:26:29 +0200
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Subject: Re: [PATCH v8 7/7] remoteproc: qcom: Add support for memory sandbox
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To:     Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>,
        linux-remoteproc@vger.kernel.org, agross@kernel.org,
        andersson@kernel.org, lgirdwood@gmail.com, broonie@kernel.org,
        robh+dt@kernel.org, quic_plai@quicinc.com, bgoswami@quicinc.com,
        perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org,
        quic_rohkumar@quicinc.com, linux-arm-msm@vger.kernel.org,
        linux-kernel@vger.kernel.org, swboyd@chromium.org,
        judyhsiao@chromium.org, devicetree@vger.kernel.org
References: <1663938340-24345-1-git-send-email-quic_srivasam@quicinc.com>
 <1663938340-24345-8-git-send-email-quic_srivasam@quicinc.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 23/09/2022 15:05, Srinivasa Rao Mandadapu wrote:
> Update pil driver with SMMU mapping for allowing authorised
> memory access to ADSP firmware, by carveout reserved adsp memory
> region from device tree file.
> 


Thank you for your patch. There is something to discuss/improve.

> +	if (!rproc->domain)
> +		return -EINVAL;
> +
> +	ret = of_parse_phandle_with_args(adsp->dev->of_node, "iommus", "#iommu-cells", 0, &args);

I think your bindings do not allow iommus property.

Best regards,
Krzysztof