Commit 28b8b26b authored by Brian Norris's avatar Brian Norris
Browse files

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: default avatarBrian Norris <computersforpeace@gmail.com>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent bf9c37cb

include/linux/mtd/mtd.h

+11 −0
Original line number Diff line number Diff line
@@ -254,6 +254,17 @@ 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);

include/linux/mtd/nand.h

+11 −0
Original line number Diff line number Diff line
@@ -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

 */

include/linux/mtd/spi-nor.h

+11 −0
Original line number Diff line number Diff line
@@ -185,6 +185,17 @@ 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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