X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fia64%2Fkernel%2Facpi-processor.c;h=cbe6cee5a550327500d5497d6c445eb471714a12;hb=82638844d9a8581bbf33201cc209a14876eca167;hp=4d4993a47e559fe6aa27c06f45182e8478338300;hpb=13bbd8d90647132fc295d73b122567eb8987d298;p=linux-2.6-omap-h63xx.git

diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
index 4d4993a47e5..cbe6cee5a55 100644
--- a/arch/ia64/kernel/acpi-processor.c
+++ b/arch/ia64/kernel/acpi-processor.c
@@ -44,7 +44,13 @@ 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;
+	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;