From: Alex Chiang <[email protected]> If we evaluate _PDC in the early path, we do not want to evaluate it again when the processor driver is loaded.
Cc: Venkatesh Pallipadi <[email protected]> Signed-off-by: Alex Chiang <[email protected]> Signed-off-by: Len Brown <[email protected]> drivers/acpi/processor_pdc.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/v4l-dvb.git?a=commitdiff;h=a4932299d03a1c20e58e4cc40a66fb0a048fb3a7 diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c index 3bbafe9..e306ba9 100644 --- a/drivers/acpi/processor_pdc.c +++ b/drivers/acpi/processor_pdc.c @@ -125,6 +125,8 @@ acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in) return status; } +static int early_pdc_done; + void acpi_processor_set_pdc(acpi_handle handle) { struct acpi_object_list *obj_list; @@ -132,6 +134,9 @@ void acpi_processor_set_pdc(acpi_handle handle) if (arch_has_acpi_pdc() == false) return; + if (early_pdc_done) + return; + obj_list = acpi_processor_alloc_pdc(); if (!obj_list) return; @@ -199,4 +204,6 @@ void __init acpi_early_processor_set_pdc(void) acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, early_init_pdc, NULL, NULL, NULL); + + early_pdc_done = 1; } _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
