27  * NOTE: Herein lie back-to-back mb instructions.  They are magic. 
54  *  3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
60  * 	10:8	Function number
66  *  3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
72  *	23:16	bus number (8 bits = 128 possible buses)
74  *	10:8	function number
104 	mb();  in conf_read()
108 	mb();  in conf_read()
113 	mb();  in conf_read()
117 	mb();  in conf_read()
118 	mb();  /* magic */  in conf_read()
123 		mb();  in conf_read()
126 	mb();  in conf_read()
148 	*(vuip)MCPCIA_CAP_ERR(mid) = stat0; mb();  in conf_write()
155 	mb();  in conf_write()
159 	mb();  in conf_write()
160 	mb();  /* magic */  in conf_write()
163 	mb();  in conf_write()
186 	addr = (bus << 16) | (devfn << 8) | (where);  in mk_conf_addr()
206 	addr |= (size - 1) * 8;  in mcpcia_read_config()
233 	addr |= (size - 1) * 8;  in mcpcia_write_config()
250 	mb();  in mcpcia_pci_tbi()
262 	mb();  in mcpcia_probe_hose()
263 	mb();  in mcpcia_probe_hose()
270 	mb();  in mcpcia_probe_hose()
275 	mb();  in mcpcia_probe_hose()
276 	mb();  /* magic */  in mcpcia_probe_hose()
280 		mb();  in mcpcia_probe_hose()
283 	mb();  in mcpcia_probe_hose()
339 	mb();  in mcpcia_pci_clr_err()
357 	mb();  in mcpcia_startup_hose()
363 	 * Window 0 is scatter-gather 8MB at 8MB (for isa)  in mcpcia_startup_hose()
378 	*(vuip)MCPCIA_T0_BASE(mid) = virt_to_phys(hose->sg_isa->ptes) >> 8;  in mcpcia_startup_hose()
382 	*(vuip)MCPCIA_T1_BASE(mid) = virt_to_phys(hose->sg_pci->ptes) >> 8;  in mcpcia_startup_hose()
393 	mb();  in mcpcia_startup_hose()
396 	mb();  in mcpcia_startup_hose()
399 	mb();  in mcpcia_startup_hose()
457 	for (i = 0; i < 8; i += 2) {  in mcpcia_print_uncorrectable()
482 		case 8:  in mcpcia_print_uncorrectable()
555 	  printk("  WHOAMI      = %8x\n", iodpp->whoami);  in mcpcia_print_system_area()
556 	  printk("  PCI_REV     = %8x\n", iodpp->pci_rev);  in mcpcia_print_system_area()
557 	  printk("  CAP_CTRL    = %8x\n", iodpp->cap_ctrl);  in mcpcia_print_system_area()
558 	  printk("  HAE_MEM     = %8x\n", iodpp->hae_mem);  in mcpcia_print_system_area()
559 	  printk("  HAE_IO      = %8x\n", iodpp->hae_io);  in mcpcia_print_system_area()
560 	  printk("  INT_CTL     = %8x\n", iodpp->int_ctl);  in mcpcia_print_system_area()
561 	  printk("  INT_REG     = %8x\n", iodpp->int_reg);  in mcpcia_print_system_area()
562 	  printk("  INT_MASK0   = %8x\n", iodpp->int_mask0);  in mcpcia_print_system_area()
563 	  printk("  INT_MASK1   = %8x\n", iodpp->int_mask1);  in mcpcia_print_system_area()
564 	  printk("  MC_ERR0     = %8x\n", iodpp->mc_err0);  in mcpcia_print_system_area()
565 	  printk("  MC_ERR1     = %8x\n", iodpp->mc_err1);  in mcpcia_print_system_area()
566 	  printk("  CAP_ERR     = %8x\n", iodpp->cap_err);  in mcpcia_print_system_area()
567 	  printk("  PCI_ERR1    = %8x\n", iodpp->pci_err1);  in mcpcia_print_system_area()
568 	  printk("  MDPA_STAT   = %8x\n", iodpp->mdpa_stat);  in mcpcia_print_system_area()
569 	  printk("  MDPA_SYN    = %8x\n", iodpp->mdpa_syn);  in mcpcia_print_system_area()
570 	  printk("  MDPB_STAT   = %8x\n", iodpp->mdpb_stat);  in mcpcia_print_system_area()
571 	  printk("  MDPB_SYN    = %8x\n", iodpp->mdpb_syn);  in mcpcia_print_system_area()
585 	mb();  in mcpcia_machine_check()
586 	mb();  /* magic */  in mcpcia_machine_check()
609 	mb();  in mcpcia_machine_check()