Commit 0e961385 authored by Andy Grover's avatar Andy Grover

Merge groveronline.com:/root/bk/linux-2.5

into groveronline.com:/root/bk/linux-acpi
parents 1a1b6495 364b3c7b
...@@ -1560,7 +1560,7 @@ acpi_processor_get_info ( ...@@ -1560,7 +1560,7 @@ acpi_processor_get_info (
acpi_status status = 0; acpi_status status = 0;
union acpi_object object = {0}; union acpi_object object = {0};
struct acpi_buffer buffer = {sizeof(union acpi_object), &object}; struct acpi_buffer buffer = {sizeof(union acpi_object), &object};
static int cpu_count = 0; static int cpu_index = 0;
ACPI_FUNCTION_TRACE("acpi_processor_get_info"); ACPI_FUNCTION_TRACE("acpi_processor_get_info");
...@@ -1570,6 +1570,13 @@ acpi_processor_get_info ( ...@@ -1570,6 +1570,13 @@ acpi_processor_get_info (
if (num_online_cpus() > 1) if (num_online_cpus() > 1)
errata.smp = TRUE; errata.smp = TRUE;
/*
* Extra Processor objects may be enumerated on MP systems with
* less than the max # of CPUs. They should be ignored.
*/
if ((cpu_index + 1) > num_online_cpus())
return_VALUE(-ENODEV);
acpi_processor_errata(pr); acpi_processor_errata(pr);
/* /*
...@@ -1601,7 +1608,7 @@ acpi_processor_get_info ( ...@@ -1601,7 +1608,7 @@ acpi_processor_get_info (
* TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
* >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c
*/ */
pr->id = cpu_count++; pr->id = cpu_index++;
pr->acpi_id = object.processor.proc_id; pr->acpi_id = object.processor.proc_id;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
...@@ -1609,21 +1616,17 @@ acpi_processor_get_info ( ...@@ -1609,21 +1616,17 @@ acpi_processor_get_info (
if (!object.processor.pblk_address) if (!object.processor.pblk_address)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n")); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
else if (object.processor.pblk_length < 4) else if (object.processor.pblk_length != 6)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n", ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n",
object.processor.pblk_length)); object.processor.pblk_length));
else { else {
pr->throttling.address = object.processor.pblk_address; pr->throttling.address = object.processor.pblk_address;
pr->throttling.duty_offset = acpi_fadt.duty_offset; pr->throttling.duty_offset = acpi_fadt.duty_offset;
pr->throttling.duty_width = acpi_fadt.duty_width; pr->throttling.duty_width = acpi_fadt.duty_width;
pr->power.states[ACPI_STATE_C2].address =
if (object.processor.pblk_length >= 5) object.processor.pblk_address + 4;
pr->power.states[ACPI_STATE_C2].address = pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 4; object.processor.pblk_address + 5;
if (object.processor.pblk_length >= 6)
pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 5;
} }
acpi_processor_get_power_info(pr); acpi_processor_get_power_info(pr);
......
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