Commit d2f9c061 authored Mar 20, 2009 by Maciej Rutecki Committed by Jeff Garzik Mar 24, 2009

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>

parent 70f8b79c

drivers/ata/ahci.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -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 */
		};