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authorH. Peter Anvin <hpa@linux.intel.com>2009-01-30 14:50:57 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2009-01-30 14:50:57 -0800
commit9b7ed8faa034fc2d350e2eff5c68680eb5c43a07 (patch)
tree5c94c34ad30e312604c1ce4f08ab6631b64a94f5 /drivers/ata/ata_piix.c
parent6522869c34664dd5f05a0a327e93915b1281c90d (diff)
parentc43e0e46adf79c321ed3fbf0351e1005fb8a2413 (diff)
Merge branch 'core/percpu' into x86/paravirt
Diffstat (limited to 'drivers/ata/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 887d8f46a28..54961c0b2c7 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1387,6 +1387,32 @@ static void piix_iocfg_bit18_quirk(struct ata_host *host)
}
}
+static bool piix_broken_system_poweroff(struct pci_dev *pdev)
+{
+ static const struct dmi_system_id broken_systems[] = {
+ {
+ .ident = "HP Compaq 2510p",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 2510p"),
+ },
+ /* PCI slot number of the controller */
+ .driver_data = (void *)0x1FUL,
+ },
+
+ { } /* terminate list */
+ };
+ const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
+
+ if (dmi) {
+ unsigned long slot = (unsigned long)dmi->driver_data;
+ /* apply the quirk only to on-board controllers */
+ return slot == PCI_SLOT(pdev->devfn);
+ }
+
+ return false;
+}
+
/**
* piix_init_one - Register PIIX ATA PCI device with kernel services
* @pdev: PCI device to register
@@ -1422,6 +1448,14 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
if (!in_module_init)
return -ENODEV;
+ if (piix_broken_system_poweroff(pdev)) {
+ piix_port_info[ent->driver_data].flags |=
+ ATA_FLAG_NO_POWEROFF_SPINDOWN |
+ ATA_FLAG_NO_HIBERNATE_SPINDOWN;
+ dev_info(&pdev->dev, "quirky BIOS, skipping spindown "
+ "on poweroff and hibernation\n");
+ }
+
port_info[0] = piix_port_info[ent->driver_data];
port_info[1] = piix_port_info[ent->driver_data];