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Message-ID: <a9b9ae95-2a3f-75fd-1355-07363bcb66e3@linaro.org>
Date:   Tue, 17 Jan 2023 18:47:28 +0100
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Subject: Re: [PATCH 0/7] add support for CDX bus
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To:     Nipun Gupta <nipun.gupta@amd.com>, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org,
        rafael@kernel.org, eric.auger@redhat.com,
        alex.williamson@redhat.com, cohuck@redhat.com,
        song.bao.hua@hisilicon.com, mchehab+huawei@kernel.org,
        maz@kernel.org, f.fainelli@gmail.com, jeffrey.l.hugo@gmail.com,
        saravanak@google.com, Michael.Srba@seznam.cz, mani@kernel.org,
        yishaih@nvidia.com, jgg@ziepe.ca, jgg@nvidia.com,
        robin.murphy@arm.com, will@kernel.org, joro@8bytes.org,
        masahiroy@kernel.org, ndesaulniers@google.com,
        linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Cc:     okaya@kernel.org, harpreet.anand@amd.com, nikhil.agarwal@amd.com,
        michal.simek@amd.com, git@amd.com
References: <20230117134139.1298-1-nipun.gupta@amd.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230117134139.1298-1-nipun.gupta@amd.com>
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On 17/01/2023 14:41, Nipun Gupta wrote:
> Introduces AMD CDX bus, which provides a mechanism to
> discover/rescan CDX devices. The CDX devices are 
> memory mapped on system bus for embedded CPUs.
> 
> CDX controller interacts with the firmware to query different
> CDX devices present in the Fabric and expose them to the Linux
> host on CDX bus.
> 
> This patch series:
> - Introduces the CDX bus and CDX devices.
> - Device tree binding for CDX controller
> - Support for CDX bus in arm-smmu-v3 driver
> - Add MCDI (Management CPU Driver Interface) as a protocol
>   for communication with RPU Firmware
> - Support RPMSg channel for Firmware communication
> 
> MSI patches for CDX are not added in this series as it's
> support is being revisited as per patch series:
> https://lore.kernel.org/all/20221111133158.196269823@linutronix.de/
> It will be added as separate patches.
> 
> RFC changes with stubs were submitted at: 
> https://lore.kernel.org/linux-arm-kernel/20221014044049.2557085-1-nipun.gupta@amd.com/

This is v5 then. Please mark it appropriately, otherwise it looks like
it is first submission.

Best regards,
Krzysztof