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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 1f60ccbd4c39..0efa59e7e3af 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -515,7 +515,8 @@ 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)
@@ -545,12 +546,14 @@ 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) {
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