Name
pci_bus_alloc_resource —
allocate a resource from a parent bus
Synopsis
int pci_bus_alloc_resource ( | struct pci_bus * | bus, |
| | struct resource * | res, |
| | unsigned long | size, |
| | unsigned long | align, |
| | unsigned long | min, |
| | unsigned int | type_mask, |
| | void (* | alignf)
(void *, struct resource *, unsigned long, unsigned long), |
| | void * | alignf_data); |
Arguments
bus
PCI bus
res
resource to allocate
size
size of resource to allocate
align
alignment of resource to allocate
min
minimum /proc/iomem address to allocate
type_mask
IORESOURCE_* type flags
alignf
resource alignment function
alignf_data
data argument for resource alignment function
Description
Given the PCI bus a device resides on, the size, minimum address,
alignment and type, try to find an acceptable resource allocation
for a specific device resource.