aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ia64/kernel/acpi-processor.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-24 16:00:02 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-24 16:00:02 -0500
commit71492fd1bdd4734d8efd20fe00ebf31027d86d3c (patch)
treed98ce4131c47f0027dded482d25528b9a57f44ac /arch/ia64/kernel/acpi-processor.c
parent45e62974fb110da926e2a6c5b357c15639bdc233 (diff)
parentfcb11235d3910c39afece52f6e106a9ca565d34b (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits) classmate-laptop: add support for Classmate PC ACPI devices hp-wmi: Fix two memleaks acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIAS dell-wmi: do not keep driver loaded on unsupported boxes wmi: Free the allocated acpi objects through wmi_get_event_data drivers/platform/x86/acerhdf.c: check BIOS information whether it begins with string of table acerhdf: add new BIOS versions acerhdf: limit modalias matching to supported toshiba_acpi: convert to seq_file asus_acpi: convert to seq_file ACPI: do not select ACPI_DOCK from ATA_ACPI sony-laptop: enumerate rfkill devices using SN06 sony-laptop: rfkill support for newer models ACPI: fix OSC regression that caused aer and pciehp not to load MAINTAINERS: add maintainer for msi-wmi driver fujitu-laptop: fix tests of acpi_evaluate_integer() return value arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts by using smp_call_function_any() ACPI: processor: remove _PDC object list from struct acpi_processor ACPI: processor: change acpi_processor_set_pdc() interface ACPI: processor: open code acpi_processor_cleanup_pdc ...
Diffstat (limited to 'arch/ia64/kernel/acpi-processor.c')
-rw-r--r--arch/ia64/kernel/acpi-processor.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
deleted file mode 100644
index dbda7bde611..00000000000
--- a/arch/ia64/kernel/acpi-processor.c
+++ /dev/null
@@ -1,85 +0,0 @@
1/*
2 * arch/ia64/kernel/acpi-processor.c
3 *
4 * Copyright (C) 2005 Intel Corporation
5 * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
6 * - Added _PDC for platforms with Intel CPUs
7 */
8
9#include <linux/kernel.h>
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/acpi.h>
13
14#include <acpi/processor.h>
15#include <asm/acpi.h>
16
17static void init_intel_pdc(struct acpi_processor *pr)
18{
19 struct acpi_object_list *obj_list;
20 union acpi_object *obj;
21 u32 *buf;
22
23 /* allocate and initialize pdc. It will be used later. */
24 obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
25 if (!obj_list) {
26 printk(KERN_ERR "Memory allocation error\n");
27 return;
28 }
29
30 obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
31 if (!obj) {
32 printk(KERN_ERR "Memory allocation error\n");
33 kfree(obj_list);
34 return;
35 }
36
37 buf = kmalloc(12, GFP_KERNEL);
38 if (!buf) {
39 printk(KERN_ERR "Memory allocation error\n");
40 kfree(obj);
41 kfree(obj_list);
42 return;
43 }
44
45 buf[0] = ACPI_PDC_REVISION_ID;
46 buf[1] = 1;
47 buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
48 /*
49 * The default of PDC_SMP_T_SWCOORD bit is set for IA64 cpu so
50 * that OSPM is capable of native ACPI throttling software
51 * coordination using BIOS supplied _TSD info.
52 */
53 buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
54
55 obj->type = ACPI_TYPE_BUFFER;
56 obj->buffer.length = 12;
57 obj->buffer.pointer = (u8 *) buf;
58 obj_list->count = 1;
59 obj_list->pointer = obj;
60 pr->pdc = obj_list;
61
62 return;
63}
64
65/* Initialize _PDC data based on the CPU vendor */
66void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
67{
68 pr->pdc = NULL;
69 init_intel_pdc(pr);
70 return;
71}
72
73EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
74
75void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
76{
77 if (pr->pdc) {
78 kfree(pr->pdc->pointer->buffer.pointer);
79 kfree(pr->pdc->pointer);
80 kfree(pr->pdc);
81 pr->pdc = NULL;
82 }
83}
84
85EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);