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Thu, 07 Aug 2025 04:24:11 -0700 (PDT) Received: from localhost ([2001:19f0:ac00:4eb8:5400:5ff:fe30:7df3]) by smtp.gmail.com with UTF8SMTPSA id 38308e7fff4ca-3323827290bsm25907111fa.8.2025.08.07.04.24.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Aug 2025 04:24:10 -0700 (PDT) From: Inochi Amaoto To: Thomas Gleixner , Bjorn Helgaas , Marc Zyngier , Lorenzo Pieralisi , Inochi Amaoto , Saurabh Sengar , Shradha Gupta , Jonathan Cameron , Nicolin Chen , Jason Gunthorpe , Chen Wang Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Yixun Lan , Longbin Li Subject: [PATCH 0/4] irqchip/sg2042-msi: Fix broken affinity setting Date: Thu, 7 Aug 2025 19:23:21 +0800 Message-ID: <20250807112326.748740-1-inochiama@gmail.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When using NVME on SG2044, the NVME always complains "I/O tag XXX (XXX) QID XX timeout, completion polled", which is caused by the broken handler of the sg2042-msi driver. As PLIC driver can only setting affinity when enabling, the sg2042-msi does not properly handled affinity setting previously and enable irq in an unexpected executing path. Add irq_startup/irq_shutdown support to the PCI template domain, then set irq_chip_[startup/shutdown]_parent for irq_startup/ irq_shutdown of the sg2042-msi driver. So the irq can be started properly. Inochi Amaoto (4): genirq: Add irq_chip_(startup/shutdown)_parent PCI/MSI: Add startup/shutdown support for per device MSI[X] domains irqchip/sg2042-msi: Fix broken affinity setting irqchip/sg2042-msi: Set MSI_FLAG_MULTI_PCI_MSI flags for SG2044 drivers/irqchip/irq-sg2042-msi.c | 13 ++++++-- drivers/pci/msi/irqdomain.c | 52 ++++++++++++++++++++++++++++++++ include/linux/irq.h | 2 ++ include/linux/msi.h | 2 ++ kernel/irq/chip.c | 37 +++++++++++++++++++++++ 5 files changed, 104 insertions(+), 2 deletions(-) -- 2.50.1