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| author | Shaohua Li <shaohua.li@intel.com> | 2007-11-02 09:32:38 +0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2008-01-23 05:24:09 -0500 |
| commit | bd3adca52bc43b72c75db3e4c7809d47923b154c (patch) | |
| tree | ec42456926e50a4b0adf916ac1c5f39f76e057f8 /drivers/ata/libata-eh.c | |
| parent | ae8d4ee7ff429136c8b482c3b38ed994c021d3fc (diff) | |
| download | linux-bd3adca52bc43b72c75db3e4c7809d47923b154c.tar.gz linux-bd3adca52bc43b72c75db3e4c7809d47923b154c.tar.bz2 linux-bd3adca52bc43b72c75db3e4c7809d47923b154c.zip | |
libata-acpi: add ACPI _PSx method
ACPI spec (ver 3.0a, p289) requires IDE power on/off executes ACPI _PSx
methods. As recently most PATA drivers use libata, this patch adds _PSx
method support in libata. ACPI spec doesn't mention if SATA requires the
same _PSx method.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-eh.c')
| -rw-r--r-- | drivers/ata/libata-eh.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 21a81cd148e4..1d7faab64810 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2747,6 +2747,7 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap) if (ap->ops->port_suspend) rc = ap->ops->port_suspend(ap, ap->pm_mesg); + ata_acpi_set_state(ap, PMSG_SUSPEND); out: /* report result */ spin_lock_irqsave(ap->lock, flags); @@ -2792,6 +2793,8 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED)); + ata_acpi_set_state(ap, PMSG_ON); + if (ap->ops->port_resume) rc = ap->ops->port_resume(ap); |