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ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off

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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>
This commit is contained in:
Maciej Rutecki 2009-03-20 00:06:46 +01:00 committed by Jeff Garzik
parent 70f8b79cf3
commit d2f9c0614e
1 changed files with 9 additions and 0 deletions
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9
drivers/ata/ahci.c
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@ -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 */
};