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Wysocki" , Len Brown , jean-philippe , Greg Kroah-Hartman , Herbert Xu , kenneth-lee-2012@foxmail.com, Wangzhou Subject: [PATCH 2/2] iommu: calling pci_fixup_iommu in iommu_fwspec_init Date: Tue, 26 May 2020 19:49:09 +0800 Message-Id: <1590493749-13823-3-git-send-email-zhangfei.gao@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> References: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, linux-crypto@vger.kernel.org, Zhangfei Gao , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Calling pci_fixup_iommu in iommu_fwspec_init, which alloc iommu_fwnode. Some platform devices appear as PCI but are actually on the AMBA bus, and they need fixup in drivers/pci/quirks.c handling iommu_fwnode. So calling pci_fixup_iommu after iommu_fwnode is allocated. Signed-off-by: Zhangfei Gao --- drivers/iommu/iommu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 7b37542..fb84c42 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2418,6 +2418,10 @@ int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode, fwspec->iommu_fwnode = iommu_fwnode; fwspec->ops = ops; dev_iommu_fwspec_set(dev, fwspec); + + if (dev_is_pci(dev)) + pci_fixup_device(pci_fixup_iommu, to_pci_dev(dev)); + return 0; } EXPORT_SYMBOL_GPL(iommu_fwspec_init); -- 2.7.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu