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pcibios_write_config_word
Langue: en
Version: August 5, 1997 (mandriva - 22/10/07)
Section: 9 (Appels noyau Linux)
NAME
pcibios_write_config_word - write one word of data to the configuration space of the PCI busSYNOPSIS
#include <linux/bios32.h>int pcibios_write_config_word (unsigned char bus, unsigned char device_fn,unsigned char where, unsigned short value);
DESCRIPTION
The pcibios_write_config_word function writes one word to the configuration 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 word 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)BUGS
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