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authorMaciej Rutecki <maciej.rutecki@gmail.com>2009-03-20 00:06:46 +0100
committerJeff Garzik <jgarzik@redhat.com>2009-03-24 22:11:46 -0400
commitd2f9c0614e664708978c53eca4a5963e92830e88 (patch)
tree71add8252d62e38093ecf4f29d78438af2d57b51 /drivers/ata
parent70f8b79cf3a2eb892a01271fdfbb1903c0c982a8 (diff)
ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off
Blacklist HP Compaq 6720s so that it doesn't play a "spin down, spin up, spin down" ping-pong with the hard disk during system power off. Signed-off-by: Maciej Rutecki <maciej.rutecki@gmail.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 98d7a9fbb7e..699789bc9ea 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -2565,6 +2565,15 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
},
+ {
+ .ident = "HP Compaq 6720s",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
+ },
+ /* PCI slot number of the controller */
+ .driver_data = (void *)0x1FUL,
+ },
{ } /* terminate list */
};