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); | ||
