30 lines
943 B
Diff
30 lines
943 B
Diff
From 17b9724cf84aa32f15334c23d5df34ad3cb885f3 Mon Sep 17 00:00:00 2001
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From: Boris BREZILLON <boris.brezillon@free-electrons.com>
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Date: Mon, 16 Nov 2015 14:37:35 +0100
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Subject: [PATCH 52/81] mtd: nand: add an mtd_to_nand() helper
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Some drivers are retrieving the nand_chip pointer using the container_of
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macro on a struct wrapping both the nand_chip and the mtd_info struct while
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the standard way of retrieving this pointer is through mtd->priv.
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Provide an helper to do that.
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Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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---
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include/linux/mtd/nand.h | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/include/linux/mtd/nand.h
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+++ b/include/linux/mtd/nand.h
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@@ -719,6 +719,11 @@ struct nand_chip {
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void *priv;
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};
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+static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
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+{
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+ return mtd->priv;
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+}
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+
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/*
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* NAND Flash Manufacturer ID Codes
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*/
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