diff options
| author | Lv Zheng <lv.zheng@intel.com> | 2013-06-08 04:58:48 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-06-16 02:55:40 +0400 |
| commit | b75dd2977fc3c5848f739681fc799f27b1322e44 (patch) | |
| tree | fbe91dd6fad27e0d6c311e873340e05e51eda48e /drivers/acpi/osl.c | |
| parent | 1d1ea1b723d9f239f736b8cf284327cbbf9d15d1 (diff) | |
| download | linux-b75dd2977fc3c5848f739681fc799f27b1322e44.tar.xz | |
ACPICA: Add option to disable loading of SSDTs from the RSDT/XSDT
Optionally do not load any SSDTs from the RSDT/XSDT during
initialization. This can be useful for overriding SSDTs
using DSDT overriding, thus useful for debugging ACPI
problems on some machines. Lv Zheng. ACPICA BZ 1005.
References: https://bugs.acpica.org/show_bug.cgi?id=1005
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index e72186340fec..da6b6634e5b3 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1715,6 +1715,17 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) } #endif +static int __init acpi_no_auto_ssdt_setup(char *s) +{ + printk(KERN_NOTICE PREFIX "SSDT auto-load disabled\n"); + + acpi_gbl_disable_ssdt_table_load = TRUE; + + return 1; +} + +__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup); + acpi_status __init acpi_os_initialize(void) { acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1a_event_block); |