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| author | Kristen Carlson Accardi | 2006-09-28 20:29:01 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2007-02-16 19:32:41 +0100 |
| commit | 11ef697b37e3c85ce1ac21f7711babf1f5b12784 (patch) | |
| tree | 7b118d54bc8fc24ca8cbc626d603013d07ed8c2a /drivers/ata/libata-core.c | |
| parent | Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32 (diff) | |
| download | kernel-qcow2-linux-11ef697b37e3c85ce1ac21f7711babf1f5b12784.tar.gz kernel-qcow2-linux-11ef697b37e3c85ce1ac21f7711babf1f5b12784.tar.xz kernel-qcow2-linux-11ef697b37e3c85ce1ac21f7711babf1f5b12784.zip | |
[PATCH] libata: ACPI and _GTF support
_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)
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 2cf8251728d2..785bf50488e9 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -93,6 +93,10 @@ static int ata_probe_timeout = ATA_TMOUT_INTERNAL / HZ; module_param(ata_probe_timeout, int, 0444); MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)"); +int noacpi; +module_param(noacpi, int, 0444); +MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in suspend/resume when set"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); @@ -1778,6 +1782,9 @@ int ata_bus_probe(struct ata_port *ap) /* reset and determine device classes */ ap->ops->phy_reset(ap); + /* retrieve and execute the ATA task file of _GTF */ + ata_acpi_exec_tfs(ap); + for (i = 0; i < ATA_MAX_DEVICES; i++) { dev = &ap->device[i]; |