pcibios_write_config_byte(9) BIOS32 Functions pcibios_write_config_byte(9)NAMEpcibios_write_config_byte - write one byte of data to the configuration
space of the PCI bus
SYNOPSIS
#include <linux/bios32.h>
int pcibios_write_config_byte(unsigned char bus, unsigned char
device_fn,unsigned char where, unsigned char value);
DESCRIPTION
The pcibios_write_config_byte function writes one byte to the configuā
ration space of the PCI bus. The bus can be specified with the bus
parameters. The device_fn paramter determines which ? to use. where
is set to the ?. The byte to be written to the configuration space is
stored in the value parameter.
RETURN VALUE
The return value is taken from the PCI controller in a way that I'm not
quite sure of.
If the PCI system is unavailable, PCIBIOS_FUNC_NOT_SUPPORTED is
returned.
AVAILABILITY
Linux 1.0?
AUTHOR
Kirk Petersen (kirk@speakeasy.org)
BUGSLinux DDI August 5, 1997 pcibios_write_config_byte(9)