From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>,
linux-ide@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
Maciej Rutecki <maciej.rutecki@gmail.com>
Subject: [PATCH] ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off
Date: Fri, 20 Mar 2009 00:06:46 +0100 [thread overview]
Message-ID: <200903200006.46859.rjw@sisk.pl> (raw)
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 */
};
next reply other threads:[~2009-03-19 23:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-19 23:06 Rafael J. Wysocki [this message]
2009-03-19 23:11 ` [PATCH] ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off Tejun Heo
2009-03-25 2:14 ` Jeff Garzik
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