aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ata
diff options
context:
space:
mode:
authorMaciej Rutecki <maciej.rutecki@gmail.com>2009-03-19 19:06:46 -0400
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 98d7a9fbb7ed..699789bc9ea6 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)
2565 /* PCI slot number of the controller */ 2565 /* PCI slot number of the controller */
2566 .driver_data = (void *)0x1FUL, 2566 .driver_data = (void *)0x1FUL,
2567 }, 2567 },
2568 {
2569 .ident = "HP Compaq 6720s",
2570 .matches = {
2571 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
2572 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
2573 },
2574 /* PCI slot number of the controller */
2575 .driver_data = (void *)0x1FUL,
2576 },
2568 2577
2569 { } /* terminate list */ 2578 { } /* terminate list */
2570 }; 2579 };