linux-kernel - Re: [PATCH v2 11/11] media: iris: Enable Secure PAS support with IOMMU managed by Linux

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Message-ID: <e18ac460-dcbb-4ac0-9c5e-3aaadf3485fd@kernel.org>
Date: Fri, 22 Aug 2025 10:45:50 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Mukesh Ojha <mukesh.ojha@....qualcomm.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>,
 Vikash Garodia <quic_vgarodia@...cinc.com>,
 Dikshita Agarwal <quic_dikshita@...cinc.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Abhinav Kumar <abhinav.kumar@...ux.dev>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
 linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH v2 11/11] media: iris: Enable Secure PAS support with
 IOMMU managed by Linux

On 19/08/2025 18:54, Mukesh Ojha wrote:
> +int iris_fw_init(struct iris_core *core)
> +{
> +	struct platform_device_info info;
> +	struct iommu_domain *iommu_dom;
> +	struct platform_device *pdev;
> +	struct device_node *np;
> +	int ret;
> +
> +	np = of_get_child_by_name(core->dev->of_node, "video-firmware");

Undocumented ABI.

If you tested your DTS, you would notice warnings.

Best regards,
Krzysztof