linux-kernel - Re: [PATCH v4] dt-bindings: ufs: Add msi-parent for UFS MCQ

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Message-ID: <yq1il5cp0gj.fsf@ca-mkp.ca.oracle.com>
Date:   Tue, 05 Dec 2023 20:46:28 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Ziqi Chen <quic_ziqichen@...cinc.com>
Cc:     quic_asutoshd@...cinc.com, quic_cang@...cinc.com,
        bvanassche@....org, mani@...nel.org, stanley.chu@...iatek.com,
        adrian.hunter@...el.com, beanhuo@...ron.com, avri.altman@....com,
        junwoo80.lee@...sung.com, martin.petersen@...cle.com,
        quic_nguyenb@...cinc.com, quic_nitirawa@...cinc.com,
        linux-scsi@...r.kernel.org, Alim Akhtar <alim.akhtar@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sudeep Holla <sudeep.holla@....com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH v4] dt-bindings: ufs: Add msi-parent for UFS MCQ


Ziqi,

> The Message Signaled Interrupts (MSI) support has been introduced in
> UFSHCI version 4.0 (JESD223E). The MSI is the recommended interrupt
> approach for MCQ. If choose to use MSI, In UFS DT, we need to provide
> msi-parent property that point to the hardware entity which serves as
> the MSI controller for this UFS controller.

Applied to 6.8/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering