[PATCH] libata: export ata_busy_sleep

Export ata_busy_sleep(), to be used by low level driver reset functions.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 576788de962a..45646f6ebbf5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -500,6 +500,9 @@ extern int ata_scsi_device_suspend(struct scsi_device *);
 extern int ata_device_resume(struct ata_port *, struct ata_device *);
 extern int ata_device_suspend(struct ata_port *, struct ata_device *);
 extern int ata_ratelimit(void);
+extern unsigned int ata_busy_sleep(struct ata_port *ap,
+                                   unsigned long timeout_pat,
+                                   unsigned long timeout);
 
 /*
  * Default driver ops implementations