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-rw-r--r--drivers/pci/ats.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 831e192..8e95a12 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -348,7 +348,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
pci_read_config_word(pdev, pos + PCI_PASID_CONTROL_OFF, &control);
pci_read_config_word(pdev, pos + PCI_PASID_CAP_OFF, &supported);
- if (!(supported & PCI_PASID_ENABLE))
+ if (control & PCI_PASID_ENABLE)
return -EINVAL;
supported &= PCI_PASID_EXEC | PCI_PASID_PRIV;
@@ -390,7 +390,6 @@ EXPORT_SYMBOL_GPL(pci_disable_pasid);
* Returns a negative value when no PASI capability is present.
* Otherwise is returns a bitmask with supported features. Current
* features reported are:
- * PCI_PASID_ENABLE - PASID capability can be enabled
* PCI_PASID_EXEC - Execute permission supported
* PCI_PASID_PRIV - Priviledged mode supported
*/
@@ -405,7 +404,7 @@ int pci_pasid_features(struct pci_dev *pdev)
pci_read_config_word(pdev, pos + PCI_PASID_CAP_OFF, &supported);
- supported &= PCI_PASID_ENABLE | PCI_PASID_EXEC | PCI_PASID_PRIV;
+ supported &= PCI_PASID_EXEC | PCI_PASID_PRIV;
return supported;
}
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