pci_bus_read_config_byte
Name
pci_bus_read_config_byte -- read a byte from a pci device
Synopsis
int pci_bus_read_config_byte (struct pci_bus * bus, unsigned int devfn, int where, u8 * 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 in the pci address space to read from
value pointer to where to place the data read
Description
Like pci_read_config_byte but works for pci devices that do not have a
pci_dev structure set up yet.
Returns 0 on success.