[MTD NAND] Split nand_scan() into two parts; allow board driver to intervene

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 0b4cd2f..88d690d 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -27,6 +27,11 @@
 struct mtd_info;
 /* Scan and identify a NAND device */
 extern int nand_scan (struct mtd_info *mtd, int max_chips);
+/* Separate phases of nand_scan(), allowing board driver to intervene
+ * and override command or ECC setup according to flash type */
+extern int nand_scan_ident(struct mtd_info *mtd, int max_chips);
+extern int nand_scan_tail(struct mtd_info *mtd);
+
 /* Free resources held by the NAND device */
 extern void nand_release (struct mtd_info *mtd);