Merge branch 'fix/hda' into for-linus

[karo-tx-linux.git] / drivers / pci / pci.c

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e3efe6b19ee79210e2885f03b1d21995e2125abb..6d6120007af4ed01d5fdc39331bff59349b1ed00 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1540,16 +1540,21 @@ void pci_release_region(struct pci_dev *pdev, int bar)
 }
 
 /**
- *     pci_request_region - Reserved PCI I/O and memory resource
+ *     __pci_request_region - Reserved PCI I/O and memory resource
  *     @pdev: PCI device whose resources are to be reserved
  *     @bar: BAR to be reserved
  *     @res_name: Name to be associated with resource.
+ *     @exclusive: whether the region access is exclusive or not
  *
  *     Mark the PCI region associated with PCI device @pdev BR @bar as
  *     being reserved by owner @res_name.  Do not access any
  *     address inside the PCI regions unless this call returns
  *     successfully.
  *
+ *     If @exclusive is set, then the region is marked so that userspace
+ *     is explicitly not allowed to map the resource via /dev/mem or
+ *     sysfs MMIO access.
+ *
  *     Returns 0 on success, or %EBUSY on error.  A warning
  *     message is also printed on failure.
  */
@@ -1588,12 +1593,12 @@ err_out:
 }
 
 /**
- *     pci_request_region - Reserved PCI I/O and memory resource
+ *     pci_request_region - Reserve PCI I/O and memory resource
  *     @pdev: PCI device whose resources are to be reserved
  *     @bar: BAR to be reserved
- *     @res_name: Name to be associated with resource.
+ *     @res_name: Name to be associated with resource
  *
- *     Mark the PCI region associated with PCI device @pdev BR @bar as
+ *     Mark the PCI region associated with PCI device @pdev BAR @bar as
  *     being reserved by owner @res_name.  Do not access any
  *     address inside the PCI regions unless this call returns
  *     successfully.