openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Jean-Philippe Brucker 2020-02-24 17:58:41 +01:00 committed by Will Deacon
parent fa1c76df5d
commit 7682ce2b12
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/pci/ats.c
View File

@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(pci_enable_pasid);
/** /**
* pci_disable_pasid - Disable the PASID capability * pci_disable_pasid - Disable the PASID capability
@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)
pdev->pasid_enabled = 0; pdev->pasid_enabled = 0;
} }
EXPORT_SYMBOL_GPL(pci_disable_pasid);
/** /**
* pci_restore_pasid_state - Restore PASID capabilities * pci_restore_pasid_state - Restore PASID capabilities
@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)
return supported; return supported;
} }
EXPORT_SYMBOL_GPL(pci_pasid_features);
#define PASID_NUMBER_SHIFT 8 #define PASID_NUMBER_SHIFT 8
#define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT) #define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)
return (1 << supported); return (1 << supported);
} }
EXPORT_SYMBOL_GPL(pci_max_pasids);
#endif /* CONFIG_PCI_PASID */ #endif /* CONFIG_PCI_PASID */