pci_bus_read_config_dword
Name
pci_bus_read_config_dword -- read a dword from a pci device
Synopsis
int pci_bus_read_config_dword
(struct pci_bus * bus, unsigned int devfn, int where, u32 * value);
Arguments
- bus
pointer to the parent bus of the pci device to read from
- devfn
the device / function of the pci device to read from
- where
the location on the pci address space to read from
- value
pointer to where to place the data read
Description
Like pci_read_config_dword
but works for pci devices that do not have a
pci_dev structure set up yet.
Returns 0 on success.