diff options
Diffstat (limited to 'arch/ia64/kernel/acpi-processor.c')
-rw-r--r-- | arch/ia64/kernel/acpi-processor.c | 85 |
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 dbda7bde6112..000000000000 --- 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 | |||
17 | static 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 */ | ||
66 | void arch_acpi_processor_init_pdc(struct acpi_processor *pr) | ||
67 | { | ||
68 | pr->pdc = NULL; | ||
69 | init_intel_pdc(pr); | ||
70 | return; | ||
71 | } | ||
72 | |||
73 | EXPORT_SYMBOL(arch_acpi_processor_init_pdc); | ||
74 | |||
75 | void 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 | |||
85 | EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc); | ||