Some drivers are retrieving the nand_chip pointer using the container_of
macro on a struct wrapping both the nand_chip and the mtd_info struct while
the standard way of retrieving this pointer is through mtd->priv.
Provide an helper to do that.
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
---
include/linux/mtd/nand.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 4f7c9b9..056d165 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -730,6 +730,11 @@ static inline struct device_node *nand_get_flash_node(struct nand_chip *chip)
return chip->flash_node;
}
+static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
+{
+ return mtd->priv;
+}
+
/*
* NAND Flash Manufacturer ID Codes
*/
--
2.1.4
--
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