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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.h | |
| parent | ae8d4ee7ff429136c8b482c3b38ed994c021d3fc (diff) | |
| download | linux-stable-bd3adca52bc43b72c75db3e4c7809d47923b154c.tar.gz linux-stable-bd3adca52bc43b72c75db3e4c7809d47923b154c.tar.bz2 linux-stable-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.h')
| -rw-r--r-- | drivers/ata/libata.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 048e26cfb339..8cf0874f248b 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -114,6 +114,7 @@ extern int ata_acpi_on_suspend(struct ata_port *ap); extern void ata_acpi_on_resume(struct ata_port *ap); extern int ata_acpi_on_devcfg(struct ata_device *dev); extern void ata_acpi_on_disable(struct ata_device *dev); +extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state); #else static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { } static inline void ata_acpi_associate(struct ata_host *host) { } @@ -122,6 +123,8 @@ static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; } static inline void ata_acpi_on_resume(struct ata_port *ap) { } static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; } static inline void ata_acpi_on_disable(struct ata_device *dev) { } +static inline void ata_acpi_set_state(struct ata_port *ap, + pm_message_t state) { } #endif /* libata-scsi.c */ |