1 files changed, 35 insertions, 1 deletions

diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 89df48fdc69d..fe6768a7d658 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -16,6 +16,7 @@
 #include <acpi/acpi.h>
 #include <linux/ide.h>
 #include <linux/pci.h>
+#include <linux/dmi.h>
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acnames.h>
@@ -65,6 +66,37 @@ extern int ide_noacpi;
 extern int ide_noacpitfs;
 extern int ide_noacpionboot;
 
+static bool ide_noacpi_psx;
+static int no_acpi_psx(const struct dmi_system_id *id)
+{
+        ide_noacpi_psx = true;
+        printk(KERN_NOTICE"%s detected - disable ACPI _PSx.\n", id->ident);
+        return 0;
+}
+
+static const struct dmi_system_id ide_acpi_dmi_table[] = {
+        /* Bug 9673. */
+        /* We should check if this is because ACPI NVS isn't save/restored. */
+        {
+                .callback = no_acpi_psx,
+                .ident    = "HP nx9005",
+                .matches  = {
+                        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies Ltd."),
+                        DMI_MATCH(DMI_BIOS_VERSION, "KAM1.60")
+                },
+        },
+};
+
+static int ide_acpi_blacklist(void)
+{
+        static int done;
+        if (done)
+                return 0;
+        done = 1;
+        dmi_check_system(ide_acpi_dmi_table);
+        return 0;
+}
+
 /**
  * ide_get_dev_handle - finds acpi_handle and PCI device.function
  * @dev: device to locate
@@ -623,7 +655,7 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 {
         int unit;
 
-        if (ide_noacpi)
+        if (ide_noacpi || ide_noacpi_psx)
                 return;
 
         DEBPRINT("ENTER:\n");
@@ -668,6 +700,8 @@ void ide_acpi_init(ide_hwif_t *hwif)
         struct ide_acpi_drive_link      *master;
         struct ide_acpi_drive_link      *slave;
 
+        ide_acpi_blacklist();
+
         hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
         if (!hwif->acpidata)
                 return;