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libata: misc updates to prepare for slave link

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* 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>
This commit is contained in:
Tejun Heo
2008-07-31 17:02:42 +09:00
committed by Jeff Garzik
parent aadffb682c
commit b5b3fa386b
2 changed files with 12 additions and 10 deletions
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6
include/linux/libata.h
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@ -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);