[PATCH] libata: separate out and export sata_port_hardreset()

Separate out sata_port_hardreset() from sata_std_hardreset().  This
will be used by LLD hardreset implementation and later by PMP.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index d3bf7b9..41fa089 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -702,6 +702,8 @@
 extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param);
 extern int ata_std_prereset(struct ata_port *ap);
 extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes);
+extern int sata_port_hardreset(struct ata_port *ap,
+			       const unsigned long *timing);
 extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class);
 extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes);
 extern void ata_port_disable(struct ata_port *);