19  * test for bus 0 and hope forwarding and decoding work properly for any
29 	if (busno == 0 && devfn >= PCI_DEVFN(8, 0))  in set_config_address()
33 		 ((busno    & 0xff) << 16) |  in set_config_address()
34 		 ((devfn    & 0xff) <<	8) |  in set_config_address()
35 		  (reg	    & 0xfc);  in set_config_address()
60 	return 0;  in pcimt_read()
83 	return 0;  in pcimt_write()
96 	outl((1 << 31) | ((busno & 0xff) << 16) | ((devfn & 0xff) << 8) | (reg & 0xfc), 0xcf8);  in pcit_set_config_address()
106 	 * on bus 0 we need to check, whether there is a device answering  in pcit_read()
110 	if (bus->number == 0) {  in pcit_read()
111 		pcit_set_config_address(0, 0, 0x68);  in pcit_read()
112 		outl(inl(0xcfc) | 0xc0000000, 0xcfc);  in pcit_read()
113 		if ((res = pcit_set_config_address(0, devfn, 0)))  in pcit_read()
115 		outl(0xffffffff, 0xcfc);  in pcit_read()
116 		pcit_set_config_address(0, 0, 0x68);  in pcit_read()
117 		if (inl(0xcfc) & 0x100000)  in pcit_read()
134 	return 0;  in pcit_read()
157 	return 0;  in pcit_write()