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References: <20221026185846.3983888-1-quic_eberman@quicinc.com> <20221026185846.3983888-3-quic_eberman@quicinc.com>
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From:   Jassi Brar <jassisinghbrar@gmail.com>
Date:   Thu, 27 Oct 2022 21:33:39 -0500
Message-ID: <CABb+yY3JVNPG3dcyHNFxEeGEu3MN_pAOh3+cwexPPe2YG6SNUg@mail.gmail.com>
Subject: Re: [PATCH v6 02/21] dt-bindings: Add binding for gunyah hypervisor
To:     Elliot Berman <quic_eberman@quicinc.com>
Cc:     Bjorn Andersson <quic_bjorande@quicinc.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Murali Nalajala <quic_mnalajal@quicinc.com>,
        Trilok Soni <quic_tsoni@quicinc.com>,
        Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>,
        Carl van Schaik <quic_cvanscha@quicinc.com>,
        Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>,
        Andy Gross <agross@kernel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        linux-arm-kernel@lists.infradead.org,
        Mark Rutland <mark.rutland@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Marc Zyngier <maz@kernel.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Will Deacon <will@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Amol Maheshwari <amahesh@qti.qualcomm.com>,
        Kalle Valo <kvalo@kernel.org>, devicetree@vger.kernel.org,
        linux-doc@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-kernel@vger.kernel.org
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On Wed, Oct 26, 2022 at 1:59 PM Elliot Berman <quic_eberman@quicinc.com> wrote:
.....
> +
> +        gunyah-resource-mgr@0 {
> +            compatible = "gunyah-resource-manager-1-0", "gunyah-resource-manager";
> +            interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>, /* TX full IRQ */
> +                         <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>; /* RX empty IRQ */
> +            reg = <0x00000000 0x00000000>, <0x00000000 0x00000001>;
> +                  /* TX, RX cap ids */
> +        };
>
All these resources are used only by the mailbox controller driver.
So, this should be the mailbox controller node, rather than the
mailbox user.
One option is to load gunyah-resource-manager as a module that relies
on the gunyah-mailbox provider. That would also avoid the "Allow
direct registration to a channel" hack patch.

thanks.