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([120.60.76.1]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-759cb76da69sm5688821b3a.115.2025.07.21.06.25.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jul 2025 06:25:20 -0700 (PDT) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: Kishon Vijay Abraham I , "Rafael J. Wysocki" , Thomas Gleixner , Anup Patel , Marc Zyngier , Greg Kroah-Hartman , Danilo Krummrich , Bjorn Helgaas , Arnd Bergmann , Shuah Khan , Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Frank Li Cc: Manivannan Sadhasivam , Niklas Cassel , dlemoal@kernel.org, jdmason@kudzu.us, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kselftest@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with platform MSI controller Date: Mon, 21 Jul 2025 18:55:05 +0530 Message-ID: <175310419611.11873.17918717791350182486.b4-ty@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> References: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=EIMG00ZC c=1 sm=1 tr=0 ts=687e3fc2 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=5oemJFBbzWj47VPNxq3P8A==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=mrIX6-fznQKVqVjsUugA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-ORIG-GUID: zw6UyRhp8L8pwiZxQMf5jHBOqWCkc1PF X-Proofpoint-GUID: zw6UyRhp8L8pwiZxQMf5jHBOqWCkc1PF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIxMDExOSBTYWx0ZWRfXwGiCxtmX1Lzm 2CobV9X3fUO+HsKM6PGFOXzEp03bLfLnkLdDbbi0V5TU+RBz1zoVLY45YG8Yewv2sQ+dk/ErBfo WQB1mDFffoqN8slwc4gMMyxAw2bhrgaWbiyRejag419qgpl+Djg1YMuX4tGq0/KoQPewEkkX8sV E+TeI9GBANeAlphwNaHFmBHhUgV9n8bGYectbP1hybMnmQHkas1b81URCMvyWTj6YN9wYmiYlUk Uhtgk4icsOYIfcDyMYQ/fj8SahGb45dswqB3wC8fhPA6cnGeRp4ym5ZSN4Q30XfBXiOj8ux7UuR AGMaNw7lWCamvONOmpZaAF/jeSmO4Vg6acsZPagJHwTafLzFNR3dSmBWTwbRica4YntN6Vi3P/U CY67j/j4aCbmveR1y46UHFaDrhDab1Q6kuHZBj9aa3W7miq+KRqP9Qkf2Rxif3qYxuar7OCL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-21_04,2025-07-21_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 priorityscore=1501 mlxlogscore=993 phishscore=0 mlxscore=0 clxscore=1015 suspectscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507210119 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_062525_124926_8C6FAABA X-CRM114-Status: GOOD ( 12.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 10 Jul 2025 15:13:46 -0400, Frank Li wrote: > ┌────────────┐ ┌───────────────────────────────────┐ ┌────────────────┐ > │ │ │ │ │ │ > │ │ │ PCI Endpoint │ │ PCI Host │ > │ │ │ │ │ │ > │ │◄──┤ 1.platform_msi_domain_alloc_irqs()│ │ │ > │ │ │ │ │ │ > │ MSI ├──►│ 2.write_msi_msg() ├──►├─BAR │ > │ Controller │ │ update doorbell register address│ │ │ > │ │ │ for BAR │ │ │ > │ │ │ │ │ 3. Write BAR│ > │ │◄──┼───────────────────────────────────┼───┤ │ > │ │ │ │ │ │ > │ ├──►│ 4.Irq Handle │ │ │ > │ │ │ │ │ │ > │ │ │ │ │ │ > └────────────┘ └───────────────────────────────────┘ └────────────────┘ > > [...] Applied, thanks! [1/9] PCI: imx6: Add helper function imx_pcie_add_lut_by_rid() commit: 9d0ca8df2451eb66a0c13a9932f348d417d9603b [2/9] PCI: imx6: Add LUT configuration for MSI/IOMMU in Endpoint mode commit: 234b9258c6907cabbb2594ee366286d35ff056f3 NOTE: I've dropped the Tested-by tag from Niklas since the tag was only given for the EP patches. Best regards, -- Manivannan Sadhasivam