module_param(max_cstate, uint, 0000);
static unsigned int nocst __read_mostly;
module_param(nocst, uint, 0000);
+static int bm_check_disable __read_mostly;
+module_param(bm_check_disable, uint, 0000);
static unsigned int latency_factor __read_mostly = 2;
module_param(latency_factor, uint, 0644);
+#ifdef CONFIG_ACPI_PROCFS
static u64 us_to_pm_timer_ticks(s64 t)
{
return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);
}
+#endif
+
/*
* IBM ThinkPad R40e crashes mysteriously when going into C2 or C3.
* For now disable this. Probably a bug somewhere else.
{
u32 bm_status = 0;
+ if (bm_check_disable)
+ return 0;
+
acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
if (bm_status)
acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);