Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH] ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off | Date | Fri, 20 Mar 2009 00:06:46 +0100 |
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From: Maciej Rutecki <maciej.rutecki@gmail.com>
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> --- --- drivers/ata/ahci.c | 9 +++++++++ 1 file changed, 9 insertions(+)
Index: linux-2.6/drivers/ata/ahci.c =================================================================== --- linux-2.6.orig/drivers/ata/ahci.c +++ linux-2.6/drivers/ata/ahci.c @@ -2565,6 +2565,15 @@ static bool ahci_broken_system_poweroff( /* 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 */ };
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