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From 28b8b26b308e656edfa9467867d5f79212da2ec3 Mon Sep 17 00:00:00 2001
From: Brian Norris <computersforpeace@gmail.com>
Date: Fri, 30 Oct 2015 20:33:20 -0700
Subject: [PATCH] mtd: add get/set of_node/flash_node helpers
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 <computersforpeace@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
include/linux/mtd/mtd.h | 11 +++++++++++
include/linux/mtd/nand.h | 11 +++++++++++
include/linux/mtd/spi-nor.h | 11 +++++++++++
3 files changed, 33 insertions(+)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -258,6 +258,17 @@ struct mtd_info {
int usecount;
};
+static inline void mtd_set_of_node(struct mtd_info *mtd,
+ struct device_node *np)
+{
+ mtd->dev.of_node = np;
+}
+
+static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd)
+{
+ return mtd->dev.of_node;
+}
+
int mtd_erase(struct mtd_info *mtd, struct erase_info *instr);
int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
void **virt, resource_size_t *phys);
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -719,6 +719,17 @@ struct nand_chip {
void *priv;
};
+static inline void nand_set_flash_node(struct nand_chip *chip,
+ struct device_node *np)
+{
+ chip->flash_node = np;
+}
+
+static inline struct device_node *nand_get_flash_node(struct nand_chip *chip)
+{
+ return chip->flash_node;
+}
+
/*
* NAND Flash Manufacturer ID Codes
*/
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -184,6 +184,17 @@ struct spi_nor {
void *priv;
};
+static inline void spi_nor_set_flash_node(struct spi_nor *nor,
+ struct device_node *np)
+{
+ nor->flash_node = np;
+}
+
+static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)
+{
+ return nor->flash_node;
+}
+
/**
* spi_nor_scan() - scan the SPI NOR
* @nor: the spi_nor structure
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