diff options
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 5cbc0cb73e2c..07bc74d8356e 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -722,13 +722,12 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) } else if (cx->entry_method == ACPI_CSTATE_HALT) { acpi_safe_halt(); } else { - int unused; /* IO port based C-state */ inb(cx->address); /* Dummy wait op - must do something useless after P_LVL2 read because chipsets cannot guarantee that STPCLK# signal gets asserted in time to freeze execution properly. */ - unused = inl(acpi_gbl_FADT.xpm_timer_block.address); + inl(acpi_gbl_FADT.xpm_timer_block.address); } start_critical_timings(); } |