From: Krzysztof Kozlowski <krzk@kernel.org>
To: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Manivannan Sadhasivam <mani@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Subject: Re: [PATCH v6 01/14] dt-bindings: remoteproc: qcom,pas: Add iommus property
Date: Wed, 5 Nov 2025 08:17:14 +0100 [thread overview]
Message-ID: <0608ca9b-083c-4929-a4e5-7d76b2590637@kernel.org> (raw)
In-Reply-To: <20251104-kvm_rproc_v6-v6-1-7017b0adc24e@oss.qualcomm.com>
On 04/11/2025 08:35, Mukesh Ojha wrote:
> Most Qualcomm platforms feature Gunyah hypervisor which handles IOMMU
I don't think that's true. Washn't Gunyah something new? Like since
SM8550? Look how many Qualcomm platforms we have in the arm/qcom.yaml
bindings - for sure most of them are not post SM8550.
> configuration for remote processor and when it is not present, the
> operating system must perform these configurations instead and for that
> firmware stream should be presented to the operating system. Hence, add
> iommus property as optional property for PAS supported devices.
So which platforms actually need to do this?
I really do not understand why you are adding this to SDX55 and several
others.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-11-05 7:17 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <gh1Ap54xdQJqBEHQnzjGUqQsyHQgLp5ggPTjje49OhydkkjnXH2xrFWPcAwSsov_yLqCo2DRqh0F_y9aM3opOw==@protonmail.internalid>
2025-11-04 7:35 ` [PATCH v6 00/14] Peripheral Image Loader support for Qualcomm SoCs running Linux host at EL2 Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 01/14] dt-bindings: remoteproc: qcom,pas: Add iommus property Mukesh Ojha
2025-11-05 7:17 ` Krzysztof Kozlowski [this message]
2025-11-05 8:34 ` Mukesh Ojha
2025-11-05 9:10 ` Konrad Dybcio
2025-11-04 7:35 ` [PATCH v6 02/14] firmware: qcom_scm: Remove redundant piece of code Mukesh Ojha
2025-11-04 16:58 ` Bryan O'Donoghue
2025-11-05 6:58 ` Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 03/14] firmware: qcom_scm: Rename peripheral as pas_id Mukesh Ojha
2025-11-04 17:25 ` Konrad Dybcio
2025-11-04 7:35 ` [PATCH v6 04/14] firmware: qcom_scm: Introduce PAS context initialization helper function Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 05/14] remoteproc: pas: Replace metadata context with PAS context structure Mukesh Ojha
2025-11-04 17:33 ` Konrad Dybcio
2025-11-04 17:34 ` Konrad Dybcio
2025-11-05 6:42 ` Mukesh Ojha
2025-11-07 10:04 ` Konrad Dybcio
2025-11-07 11:26 ` Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 06/14] soc: qcom: mdtloader: Add PAS context aware qcom_mdt_pas_load() function Mukesh Ojha
2025-11-07 10:07 ` Konrad Dybcio
2025-11-04 7:35 ` [PATCH v6 07/14] soc: qcom: mdtloader: Remove qcom_mdt_pas_init() from exported symbols Mukesh Ojha
2025-11-07 10:07 ` Konrad Dybcio
2025-11-04 7:35 ` [PATCH v6 08/14] firmware: qcom_scm: Add a prep version of auth_and_reset function Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 09/14] firmware: qcom_scm: Simplify qcom_scm_pas_init_image() Mukesh Ojha
2025-11-07 10:16 ` Konrad Dybcio
2025-11-04 7:35 ` [PATCH v6 10/14] firmware: qcom_scm: Add SHM bridge handling for PAS when running without QHEE Mukesh Ojha
2025-11-07 10:17 ` Konrad Dybcio
2025-11-07 13:04 ` Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 11/14] firmware: qcom_scm: Add qcom_scm_pas_get_rsc_table() to get resource table Mukesh Ojha
2025-11-07 10:20 ` Konrad Dybcio
2025-11-07 11:49 ` Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 12/14] remoteproc: pas: Extend parse_fw callback to fetch resources via SMC call Mukesh Ojha
2025-11-07 10:47 ` Konrad Dybcio
2025-11-07 11:34 ` Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 13/14] remoteproc: qcom: pas: Enable Secure PAS support with IOMMU managed by Linux Mukesh Ojha
2025-11-04 7:35 ` [PATCH v6 14/14] arm64: dts: qcom: Add EL2 overlay for Lemans Mukesh Ojha
2025-11-04 16:25 ` [PATCH v6 00/14] Peripheral Image Loader support for Qualcomm SoCs running Linux host at EL2 Bryan O'Donoghue
2025-11-05 8:14 ` Mukesh Ojha
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0608ca9b-083c-4929-a4e5-7d76b2590637@kernel.org \
--to=krzk@kernel.org \
--cc=andersson@kernel.org \
--cc=bryan.odonoghue@linaro.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=konradybcio@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-remoteproc@vger.kernel.org \
--cc=mani@kernel.org \
--cc=mathieu.poirier@linaro.org \
--cc=mukesh.ojha@oss.qualcomm.com \
--cc=robh@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).