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Date:   Sun, 28 Feb 2021 19:48:06 +0100
From:   Marek Vasut <>
To:     Marc Zyngier <>,
        Lorenzo Pieralisi <>,
        Bjorn Helgaas <>
Cc:     Frank Wunderlich <>,
        Thierry Reding <>,
        Thomas Gleixner <>,
        Rob Herring <>, Will Deacon <>,
        "K. Y. Srinivasan" <>,
        Haiyang Zhang <>,
        Stephen Hemminger <>,
        Wei Liu <>,
        Thierry Reding <>,
        Jonathan Hunter <>,
        Ryder Lee <>,
        Yoshihiro Shimoda <>,
        Michal Simek <>,
        Paul Walmsley <>,,,,,,,
Subject: Re: [PATCH 02/13] PCI: rcar: Convert to MSI domains

On 2/25/21 4:10 PM, Marc Zyngier wrote:
> In anticipation of the removal of the msi_controller structure, convert
> the Rcar host controller driver to MSI domains.
> We end-up with the usual two domain structure, the top one being a
> generic PCI/MSI domain, the bottom one being Rcar-specific and handling
> the actual HW interrupt allocation.
> Also take the opportunity to get rid of the cargo-culted memory allocation
> for the MSI capture address. *ANY* sufficiently aligned address should
> be good enough, so use the physical address of the msi structure instead.

On R8A7795 with Intel 600p NVMe SSD and IWLwifi 6235 card,
Tested-by: Marek Vasut <>

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