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.