Commit d2f9c061 authored by Maciej Rutecki's avatar Maciej Rutecki Committed by Jeff Garzik

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: default avatarMaciej Rutecki <>
Signed-off-by: default avatarRafael J. Wysocki <>
Signed-off-by: default avatarJeff Garzik <>
parent 70f8b79c
......@@ -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"),
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
{ } /* terminate list */
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