ACPICA: minimal patch to integrate new tables into Linux

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy
2007-02-02 19:48:19 +03:00
committed by Len Brown
parent a4bbb810de
commit ad71860a17
31 changed files with 191 additions and 453 deletions

View File

@@ -352,31 +352,24 @@ int acpi_processor_notify_smm(struct module *calling_module)
is_done = -EIO;
/* Can't write pstate_cnt to smi_cmd if either value is zero */
if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n"));
/* Can't write pstate_control to smi_command if either value is zero */
if ((!acpi_fadt.smi_command) || (!acpi_fadt.pstate_control)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_control\n"));
module_put(calling_module);
return 0;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Writing pstate_cnt [0x%x] to smi_cmd [0x%x]\n",
acpi_fadt.pstate_cnt, acpi_fadt.smi_cmd));
"Writing pstate_control [0x%x] to smi_command [0x%x]\n",
acpi_fadt.pstate_control, acpi_fadt.smi_command));
/* FADT v1 doesn't support pstate_cnt, many BIOS vendors use
* it anyway, so we need to support it... */
if (acpi_fadt_is_v1) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Using v1.0 FADT reserved value for pstate_cnt\n"));
}
status = acpi_os_write_port(acpi_fadt.smi_cmd,
(u32) acpi_fadt.pstate_cnt, 8);
status = acpi_os_write_port(acpi_fadt.smi_command,
(u32) acpi_fadt.pstate_control, 8);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Failed to write pstate_cnt [0x%x] to "
"smi_cmd [0x%x]", acpi_fadt.pstate_cnt,
acpi_fadt.smi_cmd));
"Failed to write pstate_control [0x%x] to "
"smi_command [0x%x]", acpi_fadt.pstate_control,
acpi_fadt.smi_command));
module_put(calling_module);
return status;
}