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[PATCH] libata: ACPI and _GTF support

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_GTF is an acpi method that is used to reinitialize the drive.  It returns
a task file containing ata commands that are sent back to the drive to restore
it to boot up defaults.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
(cherry picked from 9c69cab24b51a89664f4c0dfaf8a436d32117624 commit)
This commit is contained in:
Kristen Carlson Accardi
2006-09-28 11:29:01 -07:00
committed by Jeff Garzik
parent 8a03d9a498
commit 11ef697b37
7 changed files with 643 additions and 1 deletions
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5
include/linux/libata.h
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@ -35,6 +35,7 @@
#include <linux/ata.h>
#include <linux/workqueue.h>
#include <scsi/scsi_host.h>
#include <linux/acpi.h>
/*
* Define if arch has non-standard setup. This is a _PCI_ standard
@ -495,6 +496,10 @@ struct ata_device {
/* error history */
struct ata_ering ering;
unsigned int horkage; /* List of broken features */
#ifdef CONFIG_SATA_ACPI
/* ACPI objects info */
acpi_handle obj_handle;
#endif
};
/* Offset into struct ata_device. Fields above it are maintained