diff --git a/include/chipdrivers/opaque.h b/include/chipdrivers/opaque.h
index a621f66..d172861 100644
--- a/include/chipdrivers/opaque.h
+++ b/include/chipdrivers/opaque.h
@@ -20,6 +20,9 @@
 
 struct flashprog_flashctx;
 
+enum preparation_steps;
+int prepare_opaque(struct flashprog_flashctx *, enum preparation_steps);
+
 int probe_opaque(struct flashprog_flashctx *);
 int read_opaque(struct flashprog_flashctx *, uint8_t *buf, unsigned int start, unsigned int len);
 int write_opaque(struct flashprog_flashctx *, const uint8_t *buf, unsigned int start, unsigned int len);
diff --git a/include/programmer.h b/include/programmer.h
index 589765b..7da687d 100644
--- a/include/programmer.h
+++ b/include/programmer.h
@@ -431,7 +431,7 @@
 	int max_data_read;
 	int max_data_write;
 	/* Specific functions for this master */
-	int (*probe) (struct flashctx *flash);
+	int (*prepare) (struct flashctx *flash);
 	int (*read) (struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len);
 	int (*write) (struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len);
 	int (*erase) (struct flashctx *flash, unsigned int blockaddr, unsigned int blocklen);