/* This utility function is needed to prevent corruption of the control bits which are stored along with the aperture size in 460's AGPSIZ register  */
static void i460_write_agpsiz(u8 size_value)
/* This utility function is needed to prevent corruption of the control bits which are stored along with the aperture size in 460's AGPSIZ register  */
static void i460_write_agpsiz(u8 size_value)
{
	u8 temp;
	pci_read_config_byte(agp_bridge->dev, INTEL_I460_AGPSIZ, &temp);
	pci_write_config_byte(agp_bridge->dev, INTEL_I460_AGPSIZ,
			      ((temp & ~I460_AGPSIZ_MASK) | size_value));
}