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Diffstat (limited to 'drivers/ata/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 8e37be19bbf..d6d97d8f3fa 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1066,6 +1066,21 @@ static int piix_broken_suspend(void)
if (dmi_find_device(DMI_DEV_TYPE_OEM_STRING, oemstrs[i], NULL))
return 1;
+ /* TECRA M4 sometimes forgets its identify and reports bogus
+ * DMI information. As the bogus information is a bit
+ * generic, match as many entries as possible. This manual
+ * matching is necessary because dmi_system_id.matches is
+ * limited to four entries.
+ */
+ if (!strcmp(dmi_get_system_info(DMI_SYS_VENDOR), "TOSHIBA") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_NAME), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_VERSION), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_PRODUCT_SERIAL), "000000") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_VENDOR), "TOSHIBA") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_NAME), "Portable PC") &&
+ !strcmp(dmi_get_system_info(DMI_BOARD_VERSION), "Version A0"))
+ return 1;
+
return 0;
}