[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>

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 71de697e2327ec64c8c5e513e9c577cea1cca023..4336fc889acd034b4b773843937ee9c6cf8ffc68 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -61,9 +61,6 @@
 
 #include "libata.h"
 
-static unsigned int ata_busy_sleep (struct ata_port *ap,
-                                   unsigned long tmout_pat,
-                                   unsigned long tmout);
 static void ata_dev_reread_id(struct ata_port *ap, struct ata_device *dev);
 static void ata_dev_init_params(struct ata_port *ap, struct ata_device *dev);
 static void ata_set_mode(struct ata_port *ap);
@@ -1960,9 +1957,8 @@ err_out:
  *
  */
 
-static unsigned int ata_busy_sleep (struct ata_port *ap,
-                                   unsigned long tmout_pat,
-                                   unsigned long tmout)
+unsigned int ata_busy_sleep (struct ata_port *ap,
+                            unsigned long tmout_pat, unsigned long tmout)
 {
        unsigned long timer_start, timeout;
        u8 status;
@@ -5167,6 +5163,7 @@ EXPORT_SYMBOL_GPL(__sata_phy_reset);
 EXPORT_SYMBOL_GPL(ata_bus_reset);
 EXPORT_SYMBOL_GPL(ata_port_disable);
 EXPORT_SYMBOL_GPL(ata_ratelimit);
+EXPORT_SYMBOL_GPL(ata_busy_sleep);
 EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
 EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
 EXPORT_SYMBOL_GPL(ata_scsi_error);

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 576788de962a3f028883347d7a60a3d1929872e4..45646f6ebbf5adfe17537d5e2d61bebff69ef766 100644 (file)
--- 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