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authorLin Ming <ming.m.lin@intel.com>2012-06-25 16:13:06 +0800
committerJeff Garzik <jgarzik@redhat.com>2012-06-29 11:38:13 -0400
commit3bd46600a7a7e938c54df8cdbac9910668c7dfb0 (patch)
tree72272f24842f7487b918a47c6e7244e92cad9ae4 /drivers/ata/libata.h
parentfebe53ba6b781862c12686c7ea1972bdedee457a (diff)
downloadlinux-3bd46600a7a7e938c54df8cdbac9910668c7dfb0.tar.bz2
libata-acpi: add ata port runtime D3Cold support
ATA port may support runtime D3Cold state, for example, Zero-power ODD case. This patch adds wakeup notifier and enable/disable run_wake during supend/resume. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata.h')
-rw-r--r--drivers/ata/libata.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index b0d5294982eb..44a7939b5bb6 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -120,6 +120,8 @@ extern void ata_acpi_on_disable(struct ata_device *dev);
extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
extern int ata_acpi_register(void);
extern void ata_acpi_unregister(void);
+extern void ata_acpi_bind(struct ata_device *dev);
+extern void ata_acpi_unbind(struct ata_device *dev);
#else
static inline void ata_acpi_dissociate(struct ata_host *host) { }
static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
@@ -130,6 +132,8 @@ static inline void ata_acpi_set_state(struct ata_port *ap,
pm_message_t state) { }
static inline int ata_acpi_register(void) { return 0; }
static void ata_acpi_unregister(void) { }
+static void ata_acpi_bind(struct ata_device *dev) { }
+static void ata_acpi_unbind(struct ata_device *dev) { }
#endif
/* libata-scsi.c */