libata: misc updates to prepare for slave link

* Add ATA_EH_ALL_ACTIONS.

* Make sata_link_{on|off}_line() return bool instead of int.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3eaca347ce29..0c7e6f3c28eb 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -321,6 +321,8 @@ enum {
         ATA_EH_LPM              = (1 << 4),  /* link power management action */
 
         ATA_EH_PERDEV_MASK      = ATA_EH_REVALIDATE,
+        ATA_EH_ALL_ACTIONS      = ATA_EH_REVALIDATE | ATA_EH_RESET |
+                                  ATA_EH_ENABLE_LINK | ATA_EH_LPM,
 
         /* ata_eh_info->flags */
         ATA_EHI_HOTPLUGGED      = (1 << 0),  /* could have been hotplugged */
@@ -920,8 +922,8 @@ extern int sata_scr_valid(struct ata_link *link);
 extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
 extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
 extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
-extern int ata_link_online(struct ata_link *link);
-extern int ata_link_offline(struct ata_link *link);
+extern bool ata_link_online(struct ata_link *link);
+extern bool ata_link_offline(struct ata_link *link);
 #ifdef CONFIG_PM
 extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
 extern void ata_host_resume(struct ata_host *host);