---

yaml
---
r: 87151
b: refs/heads/master
c: eec59f7
h: refs/heads/master
i:
  87149: c74c946
  87147: 8050722
  87143: c6d6d24
  87135: 9bf33bc
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7f5e4e8d94b6013f93716bc42a1296f95d1059dc
+refs/heads/master: eec59f76e9010e22d5736cf1907af4a92067522e

trunk/drivers/ata/libata-eh.c

@@ -2150,6 +2150,15 @@ int ata_eh_reset(struct ata_link *link, int classify,
 			ap->ops->set_piomode(ap, dev);
 	}
 
+	if (!softreset && !hardreset) {
+		if (verbose)
+			ata_link_printk(link, KERN_INFO, "no reset method "
+					"available, skipping reset\n");
+		if (!(lflags & ATA_LFLAG_ASSUME_CLASS))
+			lflags |= ATA_LFLAG_ASSUME_ATA;
+		goto done;
+	}
+
 	/* Determine which reset to use and record in ehc->i.action.
 	 * prereset() may examine and modify it.
 	 */
@@ -2254,6 +2263,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
 		lflags |= ATA_LFLAG_ASSUME_ATA;
 	}
 
+ done:
 	ata_link_for_each_dev(dev, link) {
 		/* After the reset, the device state is PIO 0 and the
 		 * controller state is undefined.  Reset also wakes up