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authorTejun Heo <tj@kernel.org>2008-07-31 17:02:42 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-09-29 00:22:32 -0400
commitb5b3fa386b8f96c7fa92e507e5deddc2637924b4 (patch)
tree2d203860958d43b430974bcf365f4d8d3aa36b24
parentaadffb682cc5572f48cc24883681db65530bd284 (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.c16
-rw-r--r--include/linux/libata.h6
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);