1 files changed, 0 insertions, 230 deletions
diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c
deleted file mode 100644
index 12c4c9e..0000000
--- a/arch/ppc64/kernel/pci_dn.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * pci_dn.c
- *
- * Copyright (C) 2001 Todd Inglett, IBM Corporation
- *
- * PCI manipulation via device_nodes.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *    
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- */
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/bootmem.h>
-
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <asm/pSeries_reconfig.h>
-#include <asm/ppc-pci.h>
-
-/*
- * Traverse_func that inits the PCI fields of the device node.
- * NOTE: this *must* be done before read/write config to the device.
- */
-static void * __devinit update_dn_pci_info(struct device_node *dn, void *data)
-{
-	struct pci_controller *phb = data;
-	int *type = (int *)get_property(dn, "ibm,pci-config-space-type", NULL);
-	u32 *regs;
-	struct pci_dn *pdn;
-
-	if (mem_init_done)
-		pdn = kmalloc(sizeof(*pdn), GFP_KERNEL);
-	else
-		pdn = alloc_bootmem(sizeof(*pdn));
-	if (pdn == NULL)
-		return NULL;
-	memset(pdn, 0, sizeof(*pdn));
-	dn->data = pdn;
-	pdn->node = dn;
-	pdn->phb = phb;
-	regs = (u32 *)get_property(dn, "reg", NULL);
-	if (regs) {
-		/* First register entry is addr (00BBSS00)  */
-		pdn->busno = (regs[0] >> 16) & 0xff;
-		pdn->devfn = (regs[0] >> 8) & 0xff;
-	}
-
-	pdn->pci_ext_config_space = (type && *type == 1);
-	return NULL;
-}
-
-/*
- * Traverse a device tree stopping each PCI device in the tree.
- * This is done depth first.  As each node is processed, a "pre"
- * function is called and the children are processed recursively.
- *
- * The "pre" func returns a value.  If non-zero is returned from
- * the "pre" func, the traversal stops and this value is returned.
- * This return value is useful when using traverse as a method of
- * finding a device.
- *
- * NOTE: we do not run the func for devices that do not appear to
- * be PCI except for the start node which we assume (this is good
- * because the start node is often a phb which may be missing PCI
- * properties).
- * We use the class-code as an indicator. If we run into
- * one of these nodes we also assume its siblings are non-pci for
- * performance.
- */
-void *traverse_pci_devices(struct device_node *start, traverse_func pre,
-		void *data)
-{
-	struct device_node *dn, *nextdn;
-	void *ret;
-
-	/* We started with a phb, iterate all childs */
-	for (dn = start->child; dn; dn = nextdn) {
-		u32 *classp, class;
-
-		nextdn = NULL;
-		classp = (u32 *)get_property(dn, "class-code", NULL);
-		class = classp ? *classp : 0;
-
-		if (pre && ((ret = pre(dn, data)) != NULL))
-			return ret;
-
-		/* If we are a PCI bridge, go down */
-		if (dn->child && ((class >> 8) == PCI_CLASS_BRIDGE_PCI ||
-				  (class >> 8) == PCI_CLASS_BRIDGE_CARDBUS))
-			/* Depth first...do children */
-			nextdn = dn->child;
-		else if (dn->sibling)
-			/* ok, try next sibling instead. */
-			nextdn = dn->sibling;
-		if (!nextdn) {
-			/* Walk up to next valid sibling. */
-			do {
-				dn = dn->parent;
-				if (dn == start)
-					return NULL;
-			} while (dn->sibling == NULL);
-			nextdn = dn->sibling;
-		}
-	}
-	return NULL;
-}
-
-/** 
- * pci_devs_phb_init_dynamic - setup pci devices under this PHB
- * phb: pci-to-host bridge (top-level bridge connecting to cpu)
- *
- * This routine is called both during boot, (before the memory
- * subsystem is set up, before kmalloc is valid) and during the 
- * dynamic lpar operation of adding a PHB to a running system.
- */
-void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb)
-{
-	struct device_node * dn = (struct device_node *) phb->arch_data;
-	struct pci_dn *pdn;
-
-	/* PHB nodes themselves must not match */
-	update_dn_pci_info(dn, phb);
-	pdn = dn->data;
-	if (pdn) {
-		pdn->devfn = pdn->busno = -1;
-		pdn->phb = phb;
-	}
-
-	/* Update dn->phb ptrs for new phb and children devices */
-	traverse_pci_devices(dn, update_dn_pci_info, phb);
-}
-
-/*
- * Traversal func that looks for a <busno,devfcn> value.
- * If found, the pci_dn is returned (thus terminating the traversal).
- */
-static void *is_devfn_node(struct device_node *dn, void *data)
-{
-	int busno = ((unsigned long)data >> 8) & 0xff;
-	int devfn = ((unsigned long)data) & 0xff;
-	struct pci_dn *pci = dn->data;
-
-	if (pci && (devfn == pci->devfn) && (busno == pci->busno))
-		return dn;
-	return NULL;
-}
-
-/*
- * This is the "slow" path for looking up a device_node from a
- * pci_dev.  It will hunt for the device under its parent's
- * phb and then update sysdata for a future fastpath.
- *
- * It may also do fixups on the actual device since this happens
- * on the first read/write.
- *
- * Note that it also must deal with devices that don't exist.
- * In this case it may probe for real hardware ("just in case")
- * and add a device_node to the device tree if necessary.
- *
- */
-struct device_node *fetch_dev_dn(struct pci_dev *dev)
-{
-	struct device_node *orig_dn = dev->sysdata;
-	struct device_node *dn;
-	unsigned long searchval = (dev->bus->number << 8) | dev->devfn;
-
-	dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval);
-	if (dn)
-		dev->sysdata = dn;
-	return dn;
-}
-EXPORT_SYMBOL(fetch_dev_dn);
-
-static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
-{
-	struct device_node *np = node;
-	struct pci_dn *pci = NULL;
-	int err = NOTIFY_OK;
-
-	switch (action) {
-	case PSERIES_RECONFIG_ADD:
-		pci = np->parent->data;
-		if (pci)
-			update_dn_pci_info(np, pci->phb);
-		break;
-	default:
-		err = NOTIFY_DONE;
-		break;
-	}
-	return err;
-}
-
-static struct notifier_block pci_dn_reconfig_nb = {
-	.notifier_call = pci_dn_reconfig_notifier,
-};
-
-/** 
- * pci_devs_phb_init - Initialize phbs and pci devs under them.
- * 
- * This routine walks over all phb's (pci-host bridges) on the
- * system, and sets up assorted pci-related structures 
- * (including pci info in the device node structs) for each
- * pci device found underneath.  This routine runs once,
- * early in the boot sequence.
- */
-void __init pci_devs_phb_init(void)
-{
-	struct pci_controller *phb, *tmp;
-
-	/* This must be done first so the device nodes have valid pci info! */
-	list_for_each_entry_safe(phb, tmp, &hose_list, list_node)
-		pci_devs_phb_init_dynamic(phb);
-
-	pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
-}