1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 8e37be19bbf5..d6d97d8f3fa4 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;
 }