diff options
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 2ae95df2e74f..dd737d836c03 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -909,7 +909,6 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) static inline void acpi_processor_cstate_first_run_checks(void) { - acpi_status status; static int first_run; if (first_run) @@ -921,13 +920,10 @@ static inline void acpi_processor_cstate_first_run_checks(void) max_cstate); first_run++; - if (acpi_gbl_FADT.cst_control && !nocst) { - status = acpi_os_write_port(acpi_gbl_FADT.smi_command, - acpi_gbl_FADT.cst_control, 8); - if (ACPI_FAILURE(status)) - ACPI_EXCEPTION((AE_INFO, status, - "Notifying BIOS of _CST ability failed")); - } + if (nocst) + return; + + acpi_processor_claim_cst_control(); } #else |