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authorLen Brown <len.brown@intel.com>2008-02-07 03:30:48 -0500
committerLen Brown <len.brown@intel.com>2008-02-07 03:30:48 -0500
commit8976b6fd7a0060f72e20d5cec833c03d50874cd1 (patch)
treed5c98a6fc41e19b5a85e9181072d74452b2dc2ab /arch/ia64
parent52b097fff89b14c0b8b7a7deef1d274889b1886d (diff)
parent3391a76f2bbb74e42b9ba44c05a7366ffd388753 (diff)
downloadop-kernel-dev-8976b6fd7a0060f72e20d5cec833c03d50874cd1.zip
op-kernel-dev-8976b6fd7a0060f72e20d5cec833c03d50874cd1.tar.gz
Merge branches 'release' and 'throttling-domains' into release
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/kernel/acpi-processor.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
index 5a216c0..cbe6cee 100644
--- a/arch/ia64/kernel/acpi-processor.c
+++ b/arch/ia64/kernel/acpi-processor.c
@@ -45,6 +45,12 @@ static void init_intel_pdc(struct acpi_processor *pr)
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
+ /*
+ * The default of PDC_SMP_T_SWCOORD bit is set for IA64 cpu so
+ * that OSPM is capable of native ACPI throttling software
+ * coordination using BIOS supplied _TSD info.
+ */
+ buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
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