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From 69a0df9dd942799651a7ec06b3cfe7fc43b2e32a Mon Sep 17 00:00:00 2001
From: Boris BREZILLON <boris.brezillon@free-electrons.com>
Date: Mon, 16 Nov 2015 14:37:35 +0100
Subject: [PATCH 52/91] mtd: nand: add an mtd_to_nand() helper
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@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
include/linux/mtd/nand.h | 5 +++++
1 file changed, 5 insertions(+)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -719,6 +719,11 @@ struct nand_chip {
void *priv;
};
+static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
+{
+ return mtd->priv;
+}
+
/*
* NAND Flash Manufacturer ID Codes
*/
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