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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Patched drivers/acpi/motherboard.c no longer needed
# HG changeset patch
# User djm@xxxxxxxxxxxxxxx
# Node ID c9077d9009f02b5a981280f9c7f3bf2aa47e5693
# Parent e97c20d1f68fcff666ee9b975644aa22d7ef9f30
Patched drivers/acpi/motherboard.c no longer needed
diff -r e97c20d1f68f -r c9077d9009f0
linux-2.6-xen-sparse/arch/ia64/xen/drivers/motherboard.c
--- a/linux-2.6-xen-sparse/arch/ia64/xen/drivers/motherboard.c Tue Nov 22
23:49:22 2005
+++ /dev/null Tue Nov 22 23:59:27 2005
@@ -1,178 +0,0 @@
-/*
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * 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.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-/* Purpose: Prevent PCMCIA cards from using motherboard resources. */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <asm/io.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME ("acpi_motherboard")
-
-/* Dell use PNP0C01 instead of PNP0C02 */
-#define ACPI_MB_HID1 "PNP0C01"
-#define ACPI_MB_HID2 "PNP0C02"
-
-/**
- * Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved
- * Doesn't care about the failure of 'request_region', since other may reserve
- * the io ports as well
- */
-#define IS_RESERVED_ADDR(base, len) \
- (((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
- && ((base) + (len) > PCIBIOS_MIN_IO))
-
-/*
- * Clearing the flag (IORESOURCE_BUSY) allows drivers to use
- * the io ports if they really know they can use it, while
- * still preventing hotplug PCI devices from using it.
- */
-
-static acpi_status
-acpi_reserve_io_ranges (struct acpi_resource *res, void *data)
-{
- struct resource *requested_res = NULL;
-
- ACPI_FUNCTION_TRACE("acpi_reserve_io_ranges");
-
- if (res->id == ACPI_RSTYPE_IO) {
- struct acpi_resource_io *io_res = &res->data.io;
-
- if (io_res->min_base_address != io_res->max_base_address)
- return_VALUE(AE_OK);
- if (IS_RESERVED_ADDR(io_res->min_base_address,
io_res->range_length)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Motherboard resources
0x%08x - 0x%08x\n",
- io_res->min_base_address,
- io_res->min_base_address +
io_res->range_length));
- requested_res =
request_region(io_res->min_base_address,
- io_res->range_length, "motherboard");
- }
- } else if (res->id == ACPI_RSTYPE_FIXED_IO) {
- struct acpi_resource_fixed_io *fixed_io_res =
&res->data.fixed_io;
-
- if (IS_RESERVED_ADDR(fixed_io_res->base_address,
fixed_io_res->range_length)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Motherboard resources
0x%08x - 0x%08x\n",
- fixed_io_res->base_address,
- fixed_io_res->base_address +
fixed_io_res->range_length));
- requested_res =
request_region(fixed_io_res->base_address,
- fixed_io_res->range_length, "motherboard");
- }
- } else {
- /* Memory mapped IO? */
- }
-
- if (requested_res)
- requested_res->flags &= ~IORESOURCE_BUSY;
- return_VALUE(AE_OK);
-}
-
-static int acpi_motherboard_add (struct acpi_device *device)
-{
- if (!device)
- return -EINVAL;
- acpi_walk_resources(device->handle, METHOD_NAME__CRS,
- acpi_reserve_io_ranges, NULL);
-
- return 0;
-}
-
-static struct acpi_driver acpi_motherboard_driver1 = {
- .name = "motherboard",
- .class = "",
- .ids = ACPI_MB_HID1,
- .ops = {
- .add = acpi_motherboard_add,
- },
-};
-
-static struct acpi_driver acpi_motherboard_driver2 = {
- .name = "motherboard",
- .class = "",
- .ids = ACPI_MB_HID2,
- .ops = {
- .add = acpi_motherboard_add,
- },
-};
-
-static void __init
-acpi_reserve_resources (void)
-{
- if (!acpi_gbl_FADT) return;
- if (acpi_gbl_FADT->xpm1a_evt_blk.address && acpi_gbl_FADT->pm1_evt_len)
- request_region(acpi_gbl_FADT->xpm1a_evt_blk.address,
- acpi_gbl_FADT->pm1_evt_len, "PM1a_EVT_BLK");
-
- if (acpi_gbl_FADT->xpm1b_evt_blk.address && acpi_gbl_FADT->pm1_evt_len)
- request_region(acpi_gbl_FADT->xpm1b_evt_blk.address,
- acpi_gbl_FADT->pm1_evt_len, "PM1b_EVT_BLK");
-
- if (acpi_gbl_FADT->xpm1a_cnt_blk.address && acpi_gbl_FADT->pm1_cnt_len)
- request_region(acpi_gbl_FADT->xpm1a_cnt_blk.address,
- acpi_gbl_FADT->pm1_cnt_len, "PM1a_CNT_BLK");
-
- if (acpi_gbl_FADT->xpm1b_cnt_blk.address && acpi_gbl_FADT->pm1_cnt_len)
- request_region(acpi_gbl_FADT->xpm1b_cnt_blk.address,
- acpi_gbl_FADT->pm1_cnt_len, "PM1b_CNT_BLK");
-
- if (acpi_gbl_FADT->xpm_tmr_blk.address && acpi_gbl_FADT->pm_tm_len == 4)
- request_region(acpi_gbl_FADT->xpm_tmr_blk.address,
- 4, "PM_TMR");
-
- if (acpi_gbl_FADT->xpm2_cnt_blk.address && acpi_gbl_FADT->pm2_cnt_len)
- request_region(acpi_gbl_FADT->xpm2_cnt_blk.address,
- acpi_gbl_FADT->pm2_cnt_len, "PM2_CNT_BLK");
-
- /* Length of GPE blocks must be a non-negative multiple of 2 */
-
- if (acpi_gbl_FADT->xgpe0_blk.address && acpi_gbl_FADT->gpe0_blk_len &&
- !(acpi_gbl_FADT->gpe0_blk_len & 0x1))
- request_region(acpi_gbl_FADT->xgpe0_blk.address,
- acpi_gbl_FADT->gpe0_blk_len, "GPE0_BLK");
-
- if (acpi_gbl_FADT->xgpe1_blk.address && acpi_gbl_FADT->gpe1_blk_len &&
- !(acpi_gbl_FADT->gpe1_blk_len & 0x1))
- request_region(acpi_gbl_FADT->xgpe1_blk.address,
- acpi_gbl_FADT->gpe1_blk_len, "GPE1_BLK");
-}
-
-static int __init acpi_motherboard_init(void)
-{
- acpi_bus_register_driver(&acpi_motherboard_driver1);
- acpi_bus_register_driver(&acpi_motherboard_driver2);
- /*
- * Guarantee motherboard IO reservation first
- * This module must run after scan.c
- */
- if (!acpi_disabled)
- acpi_reserve_resources ();
- return 0;
-}
-
-/**
- * Reserve motherboard resources after PCI claim BARs,
- * but before PCI assign resources for uninitialized PCI devices
- */
-fs_initcall(acpi_motherboard_init);
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