ACPI: Disable ARB_DISABLE on platforms where it is not needed

[karo-tx-linux.git] / drivers / acpi / processor_idle.c

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 72069ba5f1edc666d765f0131d509290e74244ab..4840c79fd8e010ceab40ff1706efc575aad4e5bc 100644 (file)
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -512,7 +512,8 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx)
 static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
                                           struct acpi_processor_cx *cx)
 {
-       static int bm_check_flag;
+       static int bm_check_flag = -1;
+       static int bm_control_flag = -1;
 
 
        if (!cx->address)
@@ -542,12 +543,14 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
        }
 
        /* All the logic here assumes flags.bm_check is same across all CPUs */
-       if (!bm_check_flag) {
+       if (bm_check_flag == -1) {
                /* Determine whether bm_check is needed based on CPU  */
                acpi_processor_power_init_bm_check(&(pr->flags), pr->id);
                bm_check_flag = pr->flags.bm_check;
+               bm_control_flag = pr->flags.bm_control;
        } else {
                pr->flags.bm_check = bm_check_flag;
+               pr->flags.bm_control = bm_control_flag;
        }
 
        if (pr->flags.bm_check) {