diff options
author | Tejun Heo <tj@kernel.org> | 2008-07-31 17:02:42 +0900 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2008-09-29 00:22:32 -0400 |
commit | b5b3fa386b8f96c7fa92e507e5deddc2637924b4 (patch) | |
tree | 2d203860958d43b430974bcf365f4d8d3aa36b24 | |
parent | aadffb682cc5572f48cc24883681db65530bd284 (diff) |
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>
-rw-r--r-- | drivers/ata/libata-core.c | 16 | ||||
-rw-r--r-- | include/linux/libata.h | 6 |
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d156616f45f..71024e94c57 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4976,16 +4976,16 @@ int sata_scr_write_flush(struct ata_link *link, int reg, u32 val) * None. * * RETURNS: - * 1 if the port online status is available and online. + * True if the port online status is available and online. */ -int ata_link_online(struct ata_link *link) +bool ata_link_online(struct ata_link *link) { u32 sstatus; if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 && (sstatus & 0xf) == 0x3) - return 1; - return 0; + return true; + return false; } /** @@ -5000,16 +5000,16 @@ int ata_link_online(struct ata_link *link) * None. * * RETURNS: - * 1 if the port offline status is available and offline. + * True if the port offline status is available and offline. */ -int ata_link_offline(struct ata_link *link) +bool ata_link_offline(struct ata_link *link) { u32 sstatus; if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 && (sstatus & 0xf) != 0x3) - return 1; - return 0; + return true; + return false; } #ifdef CONFIG_PM diff --git a/include/linux/libata.h b/include/linux/libata.h index 3eaca347ce2..0c7e6f3c28e 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); |