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[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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