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PCI/MSI: Remove unused pci_dev_has_special_msi_domain()
The check for special MSI domains like VMD which prevents the interrupt remapping code to overwrite device::msi::domain is not longer required and has been replaced by an x86 specific version which is aware of MSI parent domains. Remove it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221124232326.093093200@linutronix.de
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2 changed files with 0 additions and 22 deletions
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@ -414,24 +414,3 @@ struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev)
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DOMAIN_BUS_PCI_MSI);
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return dom;
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}
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/**
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* pci_dev_has_special_msi_domain - Check whether the device is handled by
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* a non-standard PCI-MSI domain
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* @pdev: The PCI device to check.
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*
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* Returns: True if the device irqdomain or the bus irqdomain is
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* non-standard PCI/MSI.
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*/
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bool pci_dev_has_special_msi_domain(struct pci_dev *pdev)
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{
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struct irq_domain *dom = dev_get_msi_domain(&pdev->dev);
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if (!dom)
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dom = dev_get_msi_domain(&pdev->bus->dev);
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if (!dom)
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return true;
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return dom->bus_token != DOMAIN_BUS_PCI_MSI;
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}
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@ -617,7 +617,6 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
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struct irq_domain *parent);
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u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev);
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struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev);
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bool pci_dev_has_special_msi_domain(struct pci_dev *pdev);
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#else /* CONFIG_PCI_MSI */
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static inline struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev)
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{
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