// SPDX-License-Identifier: GPL-2.0+
/*
* IBM Hot Plug Controller Driver
*
* Written By: Irene Zubarev, IBM Corporation
*
* Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2001,2002 IBM Corp.
*
* All rights reserved.
*
* Send feedback to <gregkh@us.ibm.com>
*
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/list.h>
#include "ibmphp.h"
static int configure_device(struct pci_func *);
static int configure_bridge(struct pci_func **, u8);
static struct res_needed *scan_behind_bridge(struct pci_func *, u8);
static int add_new_bus(struct bus_node *, struct resource_node *, struct resource_node *, struct resource_node *, u8);
static u8 find_sec_number(u8 primary_busno, u8 slotno);
/*
* NOTE..... If BIOS doesn't provide default routing, we assign:
* 9 for SCSI, 10 for LAN adapters, and 11 for everything else.
* If adapter is bridged, then we assign 11 to it and devices behind it.
* We also assign the same irq numbers for multi function devices.
* These are PIC mode, so shouldn't matter n.e.ways (hopefully)
*/
static void assign_alt_irq(struct pci_func *cur_func, u8 class_code)
{
int j;
for (j = 0; j < 4; j++) {
if (cur_func->irq[j] == 0xff) {
switch (class_code) {
case PCI_BASE_CLASS_STORAGE:
cur_func->irq[j] = SCSI_IRQ;
break;
case PCI_BASE_CLASS_NETWORK:
cur_func->irq[j] = LAN_IRQ;
break;
def
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