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-rw-r--r--arch/ia64/kernel/acpi-processor.c10
-rw-r--r--arch/x86/kernel/acpi/processor.c10
-rw-r--r--drivers/acpi/processor_pdc.c11
3 files changed, 13 insertions, 18 deletions
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
index ab72d46f52c6..ebe23f58bd6e 100644
--- a/arch/ia64/kernel/acpi-processor.c
+++ b/arch/ia64/kernel/acpi-processor.c
@@ -18,15 +18,7 @@ static void init_intel_pdc(struct acpi_processor *pr)
18{ 18{
19 u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer; 19 u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer;
20 20
21 buf[0] = ACPI_PDC_REVISION_ID; 21 buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
22 buf[1] = 1;
23 buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
24 /*
25 * The default of PDC_SMP_T_SWCOORD bit is set for IA64 cpu so
26 * that OSPM is capable of native ACPI throttling software
27 * coordination using BIOS supplied _TSD info.
28 */
29 buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
30 22
31 return; 23 return;
32} 24}
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index 967860b43f2a..d722ca8cb4c7 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -16,16 +16,8 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
16{ 16{
17 u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer; 17 u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer;
18 18
19 buf[0] = ACPI_PDC_REVISION_ID; 19 buf[2] |= ACPI_PDC_C_CAPABILITY_SMP;
20 buf[1] = 1;
21 buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
22 20
23 /*
24 * The default of PDC_SMP_T_SWCOORD bit is set for intel x86 cpu so
25 * that OSPM is capable of native ACPI throttling software
26 * coordination using BIOS supplied _TSD info.
27 */
28 buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
29 if (cpu_has(c, X86_FEATURE_EST)) 21 if (cpu_has(c, X86_FEATURE_EST))
30 buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP; 22 buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
31 23
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 87946b6da765..ccda7c95d073 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -33,6 +33,15 @@ static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
33 {}, 33 {},
34}; 34};
35 35
36static void acpi_set_pdc_bits(u32 *buf)
37{
38 buf[0] = ACPI_PDC_REVISION_ID;
39 buf[1] = 1;
40
41 /* Enable coordination with firmware's _TSD info */
42 buf[2] = ACPI_PDC_SMP_T_SWCOORD;
43}
44
36static void acpi_processor_init_pdc(struct acpi_processor *pr) 45static void acpi_processor_init_pdc(struct acpi_processor *pr)
37{ 46{
38 struct acpi_object_list *obj_list; 47 struct acpi_object_list *obj_list;
@@ -63,6 +72,8 @@ static void acpi_processor_init_pdc(struct acpi_processor *pr)
63 return; 72 return;
64 } 73 }
65 74
75 acpi_set_pdc_bits(buf);
76
66 obj->type = ACPI_TYPE_BUFFER; 77 obj->type = ACPI_TYPE_BUFFER;
67 obj->buffer.length = 12; 78 obj->buffer.length = 12;
68 obj->buffer.pointer = (u8 *) buf; 79 obj->buffer.pointer = (u8 *) buf;