1. NAME▲

pci_request_region - Reserve PCI I/O and memory resource

2. SYNOPSIS ▲

int pci_request_region(struct pci_dev *  pdev , int  bar , const char *  res_name );

3. ARGUMENTS ▲

pdev
    PCI device whose resources are to be reserved

bar
    BAR to be reserved

res_name
    Name to be associated with resource

4. DESCRIPTION ▲

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.

Returns 0 on success, or EBUSY on error. A warning message is also printed on failure.

5. COPYRIGHT ▲