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[89.176.112.137]) by smtp.gmail.com with ESMTPSA id g25sm1425341edp.95.2021.02.28.10.48.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 28 Feb 2021 10:48:08 -0800 (PST) Subject: Re: [PATCH 02/13] PCI: rcar: Convert to MSI domains To: Marc Zyngier , Lorenzo Pieralisi , Bjorn Helgaas References: <20210225151023.3642391-1-maz@kernel.org> <20210225151023.3642391-3-maz@kernel.org> From: Marek Vasut Message-ID: <91e327df-49de-e0b5-34bc-eae8b62e88ee@gmail.com> Date: Sun, 28 Feb 2021 19:48:06 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210225151023.3642391-3-maz@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210228_134813_149704_0580D75F X-CRM114-Status: GOOD ( 13.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, Thierry Reding , "K. Y. Srinivasan" , Will Deacon , Rob Herring , Wei Liu , Ryder Lee , Stephen Hemminger , Michal Simek , Jonathan Hunter , Thierry Reding , Frank Wunderlich , Haiyang Zhang , linux-mediatek@lists.infradead.org, Paul Walmsley , linux-tegra@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Yoshihiro Shimoda , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel