pci_bus_write_config_byte(9)
NAME
pci_bus_write_config_byte - write a byte to a pci device
SYNOPSIS
int pci_bus_write_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 on the pci address space to
- write to
- value the value to write to the pci device
DESCRIPTION
- Like pci_write_config_byte but works for pci devices that
do not have a pci_dev structure set up yet. Returns 0 on
success.