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 e9e32ed6b1a34ccbd0e61dd846622234b07ca2f5..d6d97d8f3fa4b6cab0d3df24d872577eeaa72952 100644 (file)
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -14,7 +14,7 @@
  *
  *  Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
  *  Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
- *  Copyright (C) 2003 Red Hat Inc <alan@redhat.com>
+ *  Copyright (C) 2003 Red Hat Inc
  *
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -738,7 +738,6 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
  *     do_pata_set_dmamode - Initialize host controller PATA PIO timings
  *     @ap: Port whose timings we are configuring
  *     @adev: Drive in question
- *     @udma: udma mode, 0 - 6
  *     @isich: set if the chip is an ICH device
  *
  *     Set UDMA mode for device, in host controller PCI config space.
@@ -1067,6 +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;
 }