From: Brian Norris <computersforpe...@gmail.com>

We are going to begin using the mtd->dev.of_node field for MTD device
nodes, so let's add helpers for it. Also, we'll be making some
conversions on spi_nor (and nand_chip eventually) too, so get that ready
with their own helpers.

Signed-off-by: Brian Norris <computersforpe...@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezil...@free-electrons.com>
[Linux commit: 28b8b26b308e656edfa9467867d5f79212da2ec3]
[Philippe Reynes: adapt code to u-boot]
Signed-off-by: Philippe Reynes <philippe.rey...@softathome.com>

Signed-off-by: Philippe Reynes <philippe.rey...@softathome.com>
---
 include/linux/mtd/rawnand.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 9f5dc81..e2bd598 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -15,6 +15,7 @@
 
 #include <config.h>
 
+#include <dm/device.h>
 #include <linux/compat.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/flashchip.h>
@@ -961,6 +962,17 @@ struct nand_chip {
        void *priv;
 };
 
+static inline void nand_set_flash_node(struct nand_chip *chip,
+                                      ofnode node)
+{
+       chip->flash_node = ofnode_to_offset(node);
+}
+
+static inline ofnode nand_get_flash_node(struct nand_chip *chip)
+{
+       return offset_to_ofnode(chip->flash_node);
+}
+
 static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
 {
        return container_of(mtd, struct nand_chip, mtd);
-- 
2.7.4

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