libata: move ata_set_mode() to libata-eh.c

Move ata_set_mode() to libata-eh.c.  ata_set_mode() is surely an EH
action and will be more tightly coupled with the rest of error
handling.  Move it to libata-eh.c.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/libata-core.c

@@ -3182,31 +3182,6 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
 	return rc;
 }
 
-/**
- *	ata_set_mode - Program timings and issue SET FEATURES - XFER
- *	@link: link on which timings will be programmed
- *	@r_failed_dev: out paramter for failed device
- *
- *	Set ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
- *	ata_set_mode() fails, pointer to the failing device is
- *	returned in @r_failed_dev.
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- *	RETURNS:
- *	0 on success, negative errno otherwise
- */
-int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
-{
-	struct ata_port *ap = link->ap;
-
-	/* has private set_mode? */
-	if (ap->ops->set_mode)
-		return ap->ops->set_mode(link, r_failed_dev);
-	return ata_do_set_mode(link, r_failed_dev);
-}
-
 /**
  *	ata_tf_to_host - issue ATA taskfile to host controller
  *	@ap: port to which command is being issued

drivers/ata/libata-eh.c

@@ -2329,6 +2329,31 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
 	return rc;
 }
 
+/**
+ *	ata_set_mode - Program timings and issue SET FEATURES - XFER
+ *	@link: link on which timings will be programmed
+ *	@r_failed_dev: out paramter for failed device
+ *
+ *	Set ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
+ *	ata_set_mode() fails, pointer to the failing device is
+ *	returned in @r_failed_dev.
+ *
+ *	LOCKING:
+ *	PCI/etc. bus probe sem.
+ *
+ *	RETURNS:
+ *	0 on success, negative errno otherwise
+ */
+int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
+{
+	struct ata_port *ap = link->ap;
+
+	/* has private set_mode? */
+	if (ap->ops->set_mode)
+		return ap->ops->set_mode(link, r_failed_dev);
+	return ata_do_set_mode(link, r_failed_dev);
+}
+
 static int ata_link_nr_enabled(struct ata_link *link)
 {
 	struct ata_device *dev;

drivers/ata/libata.h

@@ -86,7 +86,6 @@ extern int ata_dev_configure(struct ata_device *dev);
 extern int sata_down_spd_limit(struct ata_link *link);
 extern int sata_set_spd_needed(struct ata_link *link);
 extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
-extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
 extern void ata_sg_clean(struct ata_queued_cmd *qc);
 extern void ata_qc_free(struct ata_queued_cmd *qc);
 extern void ata_qc_issue(struct ata_queued_cmd *qc);
@@ -187,6 +186,7 @@ extern void ata_eh_report(struct ata_port *ap);
 extern int ata_eh_reset(struct ata_link *link, int classify,
 			ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
 			ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
+extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
 extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
 			  ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
 			  ata_postreset_fn_t postreset,