linux-kernel - Re: [PATCH v8 7/7] remoteproc: qcom: Add support for memory sandbox

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Date:   Tue, 27 Sep 2022 18:51:38 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <linux-remoteproc@...r.kernel.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <lgirdwood@...il.com>,
        <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
        <quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v8 7/7] remoteproc: qcom: Add support for memory sandbox


On 9/23/2022 10:56 PM, Krzysztof Kozlowski wrote:
Thanks for Your time Krzyszto!!!
> 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.
Okay. Will add iommus in dt-bindings.
>
> Best regards,
> Krzysztof
>