ACPICA: Add acpi_gbl_force_rsdt variable References: http://bugzilla.kernel.org/show_bug.cgi?id=8246 Signed-off-by: Thomas Renninger <trenn@xxxxxxx> Tested-by: Mark Doughty <me@xxxxxxxxxxxxxxxxx> --- drivers/acpi/tables/tbutils.c | 3 ++- drivers/acpi/utilities/utglobal.c | 1 + include/acpi/acglobal.h | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -420,7 +420,8 @@ acpi_tb_parse_root_table(acpi_physical_a /* Differentiate between RSDT and XSDT root tables */ - if (rsdp->revision > 1 && rsdp->xsdt_physical_address) { + if (rsdp->revision > 1 && rsdp->xsdt_physical_address + && !acpi_gbl_force_rsdt) { /* * Root table is an XSDT (64-bit physical addresses). We must use the * XSDT if the revision is > 1 and the XSDT pointer is present, as per --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -76,6 +76,7 @@ u8 acpi_gbl_method_executing = FALSE; /* System flags */ u32 acpi_gbl_startup_flags = 0; +int acpi_gbl_force_rsdt = 0; /* System starts uninitialized */ --- a/include/acpi/acglobal.h +++ b/include/acpi/acglobal.h @@ -246,6 +246,7 @@ ACPI_EXTERN u8 acpi_gbl_system_awake_and extern u8 acpi_gbl_shutdown; extern u32 acpi_gbl_startup_flags; +extern int acpi_gbl_force_rsdt; extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; extern const char *acpi_gbl_highest_dstate_names[4]; extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html