static int config_access_valid(struct device_node *dn, int where) 
static int config_access_valid(struct pci_dn *dn, int where) 
static int config_access_valid(struct device_node *dn, int where){	if (where < 256)		return 1;	if (where < 4096 && dn->pci_ext_config_space)		return 1;	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/1635317facea3094ddf34082cd86797efb1d9f7e/rtas_pci.c/buggy/arch/ppc64/kernel/rtas_pci.c