PCI/ATS: Export symbols of PASID functions (7682ce2b) · Commits · 戴 / test

The Arm SMMUv3 driver uses pci_{enable,disable}_pasid() and related functions. Export them to allow the driver to be built as a module. Acked-by:

drivers/pci/ats.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)

		return 0;
		}
		EXPORT_SYMBOL_GPL(pci_enable_pasid);

		/**
		* pci_disable_pasid - Disable the PASID capability
		@@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)

		pdev->pasid_enabled = 0;
		}
		EXPORT_SYMBOL_GPL(pci_disable_pasid);

		/**
		* pci_restore_pasid_state - Restore PASID capabilities
		@@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)

		return supported;
		}
		EXPORT_SYMBOL_GPL(pci_pasid_features);

		#define PASID_NUMBER_SHIFT 8
		#define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
		@@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)

		return (1 << supported);
		}
		EXPORT_SYMBOL_GPL(pci_max_pasids);
		#endif /* CONFIG_PCI_PASID */