diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/tbutils.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/bus.c | 37 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 54a8712bae62..a9b105fc2e55 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -373,6 +373,10 @@ void acpi_tb_check_dsdt_header(void) acpi_tb_print_table_header(0, &acpi_gbl_original_dsdt_header); acpi_tb_print_table_header(0, acpi_gbl_DSDT); + ACPI_ERROR((AE_INFO, + "Please send DMI info to linux-acpi@vger.kernel.org\n" + "If system does not work as expected, please boot with acpi=copy_dsdt")); + /* Disable further error messages */ acpi_gbl_original_dsdt_header.length = acpi_gbl_DSDT->length; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 37132dc2da03..49af19bb8c9b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -69,6 +69,37 @@ static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = { }; +static int set_copy_dsdt(const struct dmi_system_id *id) +{ + printk(KERN_NOTICE "%s detected - " + "force copy of DSDT to local memory\n", id->ident); + acpi_gbl_copy_dsdt_locally = 1; + return 0; +} + +static struct dmi_system_id dsdt_dmi_table[] __initdata = { + /* + * Insyde BIOS on some TOSHIBA machines corrupt the DSDT. + * https://bugzilla.kernel.org/show_bug.cgi?id=14679 + */ + { + .callback = set_copy_dsdt, + .ident = "TOSHIBA Satellite A505", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A505"), + }, + }, + { + .callback = set_copy_dsdt, + .ident = "TOSHIBA Satellite L505D", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L505D"), + }, + } +}; + /* -------------------------------------------------------------------------- Device Management -------------------------------------------------------------------------- */ @@ -813,6 +844,12 @@ void __init acpi_early_init(void) acpi_gbl_permanent_mmap = 1; + /* + * If the machine falls into the DMI check table, + * DSDT will be copied to memory + */ + dmi_check_system(dsdt_dmi_table); + status = acpi_reallocate_root_table(); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX |