linux-kernel - Re: [PATCH v4 2/7] iommu/riscv: Add RISC-V IOMMU platform device driver

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Date: Sat, 4 May 2024 10:05:14 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Tomasz Jeznach <tjeznach@...osinc.com>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
 Paul Walmsley <paul.walmsley@...ive.com>
Cc: baolu.lu@...ux.intel.com, Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>, Anup Patel <apatel@...tanamicro.com>,
 Sunil V L <sunilvl@...tanamicro.com>, Nick Kossifidis <mick@....forth.gr>,
 Sebastien Boeuf <seb@...osinc.com>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, devicetree@...r.kernel.org, iommu@...ts.linux.dev,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux@...osinc.com
Subject: Re: [PATCH v4 2/7] iommu/riscv: Add RISC-V IOMMU platform device
 driver

On 5/4/24 12:12 AM, Tomasz Jeznach wrote:
> Introduce platform device driver for implementation of RISC-V IOMMU
> architected hardware.
> 
> Hardware interface definition located in file iommu-bits.h is based on
> ratified RISC-V IOMMU Architecture Specification version 1.0.0.
> 
> This patch implements platform device initialization, early check and
> configuration of the IOMMU interfaces and enables global pass-through
> address translation mode (iommu_mode == BARE), without registering
> hardware instance in the IOMMU subsystem.
> 
> Link:https://github.com/riscv-non-isa/riscv-iommu
> Co-developed-by: Nick Kossifidis<mick@....forth.gr>
> Signed-off-by: Nick Kossifidis<mick@....forth.gr>
> Co-developed-by: Sebastien Boeuf<seb@...osinc.com>
> Signed-off-by: Sebastien Boeuf<seb@...osinc.com>
> Signed-off-by: Tomasz Jeznach<tjeznach@...osinc.com>

Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>

Best regards,
baolu