ata_piix: add borked Tecra M4 to broken suspend list

[linux-2.6-omap-h63xx.git] / drivers / ata / ata_piix.c

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 8e37be19bbf520b1b8e9d8409d9874846ee868f4..d6d97d8f3fa4b6cab0d3df24d872577eeaa72952 100644 (file)
--- 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;
 }