PCI/ATS: Export symbols of PASID functions

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: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 3ef0bb281e7ccc6cbafb4aeb96e933224ba6ca3a..390e92f2d8d1fcd53f4bd0b9bffdfe1cbd161e1f 100644 (file)
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -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 */