1 files changed, 0 insertions, 257 deletions
diff --git a/drivers/pci/hotplug/pciehprm_acpi.c b/drivers/pci/hotplug/pciehprm_acpi.c
deleted file mode 100644
index 2bdb30f68bf8..000000000000
--- a/drivers/pci/hotplug/pciehprm_acpi.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * PCIEHPRM ACPI: PHP Resource Manager for ACPI platform
- *
- * Copyright (C) 2003-2004 Intel Corporation
- *
- * All rights reserved.
- *
- * 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, GOOD TITLE or
- * NON INFRINGEMENT.  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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Send feedback to <kristen.c.accardi@intel.com>
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/acpi.h>
-#include <linux/pci-acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
-#include "pciehp.h"
-
-#define	METHOD_NAME__SUN	"_SUN"
-#define	METHOD_NAME__HPP	"_HPP"
-#define	METHOD_NAME_OSHP	"OSHP"
-
-static u8 * acpi_path_name( acpi_handle	handle)
-{
-	acpi_status		status;
-	static u8		path_name[ACPI_PATHNAME_MAX];
-	struct acpi_buffer	ret_buf = { ACPI_PATHNAME_MAX, path_name };
-
-	memset(path_name, 0, sizeof (path_name));
-	status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &ret_buf);
-
-	if (ACPI_FAILURE(status))
-		return NULL;
-	else
-		return path_name;	
-}
-
-static acpi_status
-acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp)
-{
-	acpi_status		status;
-	u8			nui[4];
-	struct acpi_buffer	ret_buf = { 0, NULL};
-	union acpi_object	*ext_obj, *package;
-	u8			*path_name = acpi_path_name(handle);
-	int			i, len = 0;
-
-	/* get _hpp */
-	status = acpi_evaluate_object(handle, METHOD_NAME__HPP, NULL, &ret_buf);
-	switch (status) {
-	case AE_BUFFER_OVERFLOW:
-		ret_buf.pointer = kmalloc (ret_buf.length, GFP_KERNEL);
-		if (!ret_buf.pointer) {
-			err ("%s:%s alloc for _HPP fail\n", __FUNCTION__,
-					path_name);
-			return AE_NO_MEMORY;
-		}
-		status = acpi_evaluate_object(handle, METHOD_NAME__HPP,
-				NULL, &ret_buf);
-		if (ACPI_SUCCESS(status))
-			break;
-	default:
-		if (ACPI_FAILURE(status)) {
-			dbg("%s:%s _HPP fail=0x%x\n", __FUNCTION__,
-					path_name, status);
-			return status;
-		}
-	}
-
-	ext_obj = (union acpi_object *) ret_buf.pointer;
-	if (ext_obj->type != ACPI_TYPE_PACKAGE) {
-		err ("%s:%s _HPP obj not a package\n", __FUNCTION__,
-				path_name);
-		status = AE_ERROR;
-		goto free_and_return;
-	}
-
-	len = ext_obj->package.count;
-	package = (union acpi_object *) ret_buf.pointer;
-	for ( i = 0; (i < len) || (i < 4); i++) {
-		ext_obj = (union acpi_object *) &package->package.elements[i];
-		switch (ext_obj->type) {
-		case ACPI_TYPE_INTEGER:
-			nui[i] = (u8)ext_obj->integer.value;
-			break;
-		default:
-			err ("%s:%s _HPP obj type incorrect\n", __FUNCTION__,
-					path_name);
-			status = AE_ERROR;
-			goto free_and_return;
-		}
-	}
-
-	hpp->cache_line_size = nui[0];
-	hpp->latency_timer = nui[1];
-	hpp->enable_serr = nui[2];
-	hpp->enable_perr = nui[3];
-
-	dbg("  _HPP: cache_line_size=0x%x\n", hpp->cache_line_size);
-	dbg("  _HPP: latency timer  =0x%x\n", hpp->latency_timer);
-	dbg("  _HPP: enable SERR    =0x%x\n", hpp->enable_serr);
-	dbg("  _HPP: enable PERR    =0x%x\n", hpp->enable_perr);
-
-free_and_return:
-	kfree(ret_buf.pointer);
-	return status;
-}
-
-static acpi_status acpi_run_oshp(acpi_handle handle)
-{
-	acpi_status		status;
-	u8			*path_name = acpi_path_name(handle);
-
-	/* run OSHP */
-	status = acpi_evaluate_object(handle, METHOD_NAME_OSHP, NULL, NULL);
-	if (ACPI_FAILURE(status)) {
-		dbg("%s:%s OSHP fails=0x%x\n", __FUNCTION__, path_name,
-				status);
-	} else {
-		dbg("%s:%s OSHP passes\n", __FUNCTION__, path_name);
-	}
-	return status;
-}
-
-static int is_root_bridge(acpi_handle handle)
-{
-	acpi_status status;
-	struct acpi_device_info *info;
-	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	int i;
-
-	status = acpi_get_object_info(handle, &buffer);
-	if (ACPI_SUCCESS(status)) {
-		info = buffer.pointer;
-		if ((info->valid & ACPI_VALID_HID) &&
-			!strcmp(PCI_ROOT_HID_STRING,
-					info->hardware_id.value)) {
-			acpi_os_free(buffer.pointer);
-			return 1;
-		}
-		if (info->valid & ACPI_VALID_CID) {
-			for (i=0; i < info->compatibility_id.count; i++) {
-				if (!strcmp(PCI_ROOT_HID_STRING,
-					info->compatibility_id.id[i].value)) {
-					acpi_os_free(buffer.pointer);
-					return 1;
-				}
-			}
-		}
-	}
-	return 0;
-}
-
-int pciehp_get_hp_hw_control_from_firmware(struct pci_dev *dev)
-{
-	acpi_status status;
-	acpi_handle chandle, handle = DEVICE_ACPI_HANDLE(&(dev->dev));
-	struct pci_dev *pdev = dev;
-	struct pci_bus *parent;
-	u8 *path_name;
-
-	/*
-	 * Per PCI firmware specification, we should run the ACPI _OSC
-	 * method to get control of hotplug hardware before using it.
-	 * If an _OSC is missing, we look for an OSHP to do the same thing.
-	 * To handle different BIOS behavior, we look for _OSC and OSHP
-	 * within the scope of the hotplug controller and its parents, upto
-	 * the host bridge under which this controller exists.
-	 */
-	while (!handle) {
-		/*
-		 * This hotplug controller was not listed in the ACPI name
-		 * space at all. Try to get acpi handle of parent pci bus.
-		 */
-		if (!pdev || !pdev->bus->parent)
-			break;
-		parent = pdev->bus->parent;
-		dbg("Could not find %s in acpi namespace, trying parent\n",
-				pci_name(pdev));
-		if (!parent->self)
-			/* Parent must be a host bridge */
-			handle = acpi_get_pci_rootbridge_handle(
-					pci_domain_nr(parent),
-					parent->number);
-		else
-			handle = DEVICE_ACPI_HANDLE(
-					&(parent->self->dev));
-		pdev = parent->self;
-	}
-
-	while (handle) {
-		path_name = acpi_path_name(handle);
-		dbg("Trying to get hotplug control for %s \n", path_name);
-		status = pci_osc_control_set(handle,
-				OSC_PCI_EXPRESS_NATIVE_HP_CONTROL);
-		if (status == AE_NOT_FOUND)
-			status = acpi_run_oshp(handle);
-		if (ACPI_SUCCESS(status)) {
-			dbg("Gained control for hotplug HW for pci %s (%s)\n",
-				pci_name(dev), path_name);
-			return 0;
-		}
-		if (is_root_bridge(handle))
-			break;
-		chandle = handle;
-		status = acpi_get_parent(chandle, &handle);
-		if (ACPI_FAILURE(status))
-			break;
-	}
-
-	err("Cannot get control of hotplug hardware for pci %s\n",
-			pci_name(dev));
-	return -1;
-}
-
-void pciehp_get_hp_params_from_firmware(struct pci_dev *dev,
-		struct hotplug_params *hpp)
-{
-	acpi_status status = AE_NOT_FOUND;
-	struct pci_dev *pdev = dev;
-
-	/*
-	 * _HPP settings apply to all child buses, until another _HPP is
-	 * encountered. If we don't find an _HPP for the input pci dev,
-	 * look for it in the parent device scope since that would apply to
-	 * this pci dev. If we don't find any _HPP, use hardcoded defaults
-	 */
-	while (pdev && (ACPI_FAILURE(status))) {
-		acpi_handle handle = DEVICE_ACPI_HANDLE(&(pdev->dev));
-		if (!handle)
-			break;
-		status = acpi_run_hpp(handle, hpp);
-		if (!(pdev->bus->parent))
-			break;
-		/* Check if a parent object supports _HPP */
-		pdev = pdev->bus->parent->self;
-	}
-}
-