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Tue, 14 Jul 2020 03:26:32 -0700 (PDT) Received: from [192.168.1.9] ([83.68.95.66]) by smtp.googlemail.com with ESMTPSA id f19sm4555276lja.84.2020.07.14.03.26.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jul 2020 03:26:32 -0700 (PDT) Subject: Re: [PATCH v3 0/4] Add system mmu support for Armada-806 To: Will Deacon References: <20200702201633.22693-1-tn@semihalf.com> <20200714081949.GA4516@willie-the-truck> From: Tomasz Nowicki Message-ID: <0d9d734a-84cf-2280-67b6-0c96247e1baf@semihalf.com> Date: Tue, 14 Jul 2020 12:26:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200714081949.GA4516@willie-the-truck> Content-Language: en-US Cc: devicetree@vger.kernel.org, gregory.clement@bootlin.com, catalin.marinas@arm.com, hannah@marvell.com, linux-kernel@vger.kernel.org, nadavh@marvell.com, iommu@lists.linux-foundation.org, robh+dt@kernel.org, mw@semihalf.com, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi Will, On 14.07.2020 10:19, Will Deacon wrote: > Hi Tomasz, > > On Thu, Jul 02, 2020 at 10:16:29PM +0200, Tomasz Nowicki wrote: >> There were already two versions of series to support SMMU for AP806, >> including workaround for accessing ARM SMMU 64bit registers. >> First [1] by Hanna Hawa and second [2] by Gregory CLEMENT. >> Since it got stuck this is yet another try. I incorporated the V2 comments, >> mainly by moving workaround code to arm-smmu-impl.c as requested. >> >> For the record, AP-806 can't access SMMU registers with 64bit width, >> this patches split the readq/writeq into two 32bit accesses instead >> and update DT bindings. >> >> The series was successfully tested on a vanilla v5.8-rc3 kernel and >> Intel e1000e PCIe NIC. The same for platform devices like SATA and USB. >> >> [1]: https://lkml.org/lkml/2018/10/15/373 >> [2]: https://lkml.org/lkml/2019/7/11/426 > > Do you have a v4 of this series? It looks like there were a few comments > left to address, but with that I can pick it up for 5.9. Yes, I will send it out today. Thanks, Tomasz _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu