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.