pci_request_regions_exclusive — Reserved PCI I/O and memory resources
|struct pci_dev * pdev,|
|const char * res_name|
struct pci_dev * pdev
PCI device whose resources are to be reserved
const char * res_name
Name to be associated with resource.
Mark all PCI regions associated with PCI device
being reserved by owner
res_name. Do not access any
address inside the PCI regions unless this call returns
pci_request_regions_exclusive will mark the region so that
/dev/mem and the sysfs MMIO access will not be allowed.
Returns 0 on success, or
EBUSY on error. A warning
message is also printed on failure.