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Wed, 28 Sep 2022 04:00:36 -0700 (PDT) Received: from C02F63J9MD6R.bytedance.net ([61.120.150.77]) by smtp.gmail.com with ESMTPSA id b13-20020a170902d50d00b00177efb56475sm1539524plg.85.2022.09.28.04.00.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Sep 2022 04:00:36 -0700 (PDT) From: Zhuo Chen To: sathyanarayanan.kuppuswamy@linux.intel.com, bhelgaas@google.com, ruscur@russell.cc, oohall@gmail.com, fancer.lancer@gmail.com, jdmason@kudzu.us, dave.jiang@intel.com, allenbh@gmail.com, james.smart@broadcom.com, dick.kennedy@broadcom.com, jejb@linux.ibm.com, martin.petersen@oracle.com Subject: [PATCH v3 5/9] PCI/AER: Unexport pci_aer_clear_nonfatal_status() Date: Wed, 28 Sep 2022 18:59:42 +0800 Message-Id: <20220928105946.12469-6-chenzhuo.1@bytedance.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20220928105946.12469-1-chenzhuo.1@bytedance.com> References: <20220928105946.12469-1-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" Since pci_aer_clear_nonfatal_status() is used only internally, move its declaration to the PCI internal header file. Also, no one cares about return value of pci_aer_clear_nonfatal_status(), so make it void. Signed-off-by: Zhuo Chen --- drivers/pci/pci.h | 2 ++ drivers/pci/pcie/aer.c | 7 ++----- include/linux/aer.h | 5 ----- 3 files changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 785f31086313..a114175d08e4 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -684,6 +684,7 @@ void pci_aer_init(struct pci_dev *dev); void pci_aer_exit(struct pci_dev *dev); extern const struct attribute_group aer_stats_attr_group; void pci_aer_clear_fatal_status(struct pci_dev *dev); +void pci_aer_clear_nonfatal_status(struct pci_dev *dev); int pci_aer_clear_status(struct pci_dev *dev); int pci_aer_raw_clear_status(struct pci_dev *dev); #else @@ -691,6 +692,7 @@ static inline void pci_no_aer(void) { } static inline void pci_aer_init(struct pci_dev *d) { } static inline void pci_aer_exit(struct pci_dev *d) { } static inline void pci_aer_clear_fatal_status(struct pci_dev *dev) { } +static inline void pci_aer_clear_nonfatal_status(struct pci_dev *dev) { } static inline int pci_aer_clear_status(struct pci_dev *dev) { return -EINVAL; } static inline int pci_aer_raw_clear_status(struct pci_dev *dev) { return -EINVAL; } #endif diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 4e637121be23..e2ebd108339d 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -251,13 +251,13 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting); -int pci_aer_clear_nonfatal_status(struct pci_dev *dev) +void pci_aer_clear_nonfatal_status(struct pci_dev *dev) { int aer = dev->aer_cap; u32 status, sev; if (!pcie_aer_is_native(dev)) - return -EIO; + return; /* Clear status bits for ERR_NONFATAL errors only */ pci_read_config_dword(dev, aer + PCI_ERR_UNCOR_STATUS, &status); @@ -265,10 +265,7 @@ int pci_aer_clear_nonfatal_status(struct pci_dev *dev) status &= ~sev; if (status) pci_write_config_dword(dev, aer + PCI_ERR_UNCOR_STATUS, status); - - return 0; } -EXPORT_SYMBOL_GPL(pci_aer_clear_nonfatal_status); void pci_aer_clear_fatal_status(struct pci_dev *dev) { diff --git a/include/linux/aer.h b/include/linux/aer.h index 154690c278cb..f638ad955deb 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -44,7 +44,6 @@ struct aer_capability_regs { /* PCIe port driver needs this function to enable AER */ int pci_enable_pcie_error_reporting(struct pci_dev *dev); int pci_disable_pcie_error_reporting(struct pci_dev *dev); -int pci_aer_clear_nonfatal_status(struct pci_dev *dev); int pci_aer_clear_uncorrect_error_status(struct pci_dev *dev); void pci_save_aer_state(struct pci_dev *dev); void pci_restore_aer_state(struct pci_dev *dev); @@ -57,10 +56,6 @@ static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev) { return -EINVAL; } -static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev) -{ - return -EINVAL; -} static inline int pci_aer_clear_uncorrect_error_status(struct pci_dev *dev) { return -EINVAL; -- 2.30.1 (Apple Git-130)