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Thu, 01 Sep 2022 11:17:54 -0700 (PDT) Received: from C02F63J9MD6R.bytedance.net ([61.120.150.77]) by smtp.gmail.com with ESMTPSA id b13-20020a170903228d00b0017519b86996sm6320538plh.218.2022.09.01.11.17.48 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Sep 2022 11:17:53 -0700 (PDT) From: Zhuo Chen To: fancer.lancer@gmail.com, jdmason@kudzu.us, dave.jiang@intel.com, allenbh@gmail.com, bhelgaas@google.com, ruscur@russell.cc, oohall@gmail.com, james.smart@broadcom.com, dick.kennedy@broadcom.com, jejb@linux.ibm.com, martin.petersen@oracle.com Subject: [PATCH 2/3] PCI/ERR: Clear fatal status in pcie_do_recovery() Date: Fri, 2 Sep 2022 02:16:33 +0800 Message-Id: <20220901181634.99591-3-chenzhuo.1@bytedance.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20220901181634.99591-1-chenzhuo.1@bytedance.com> References: <20220901181634.99591-1-chenzhuo.1@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-scsi@vger.kernel.org, linux-pci@vger.kernel.org, chenzhuo.1@bytedance.com, linux-kernel@vger.kernel.org, ntb@lists.linux.dev, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" When state is pci_channel_io_frozen in pcie_do_recovery(), the severity is fatal and fatal status should be cleared. So we add pci_aer_clear_fatal_status(). Since pcie_aer_is_native() in pci_aer_clear_fatal_status() and pci_aer_clear_nonfatal_status() contains the function of 'if (host->native_aer || pcie_ports_native)', so we move them out of it. Signed-off-by: Zhuo Chen --- drivers/pci/pcie/err.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c index 0c5a143025af..e0a8ade4c3fe 100644 --- a/drivers/pci/pcie/err.c +++ b/drivers/pci/pcie/err.c @@ -243,10 +243,14 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, * it is responsible for clearing this status. In that case, the * signaling device may not even be visible to the OS. */ - if (host->native_aer || pcie_ports_native) { + if (host->native_aer || pcie_ports_native) pcie_clear_device_status(dev); + + if (state == pci_channel_io_frozen) + pci_aer_clear_fatal_status(dev); + else pci_aer_clear_nonfatal_status(dev); - } + pci_info(bridge, "device recovery successful\n"); return status; -- 2.30.1 (Apple Git-130)