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mtd: add get/set of_node/flash_node helpers

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Linux commit 28b8b26b308 ("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>
[Philippe Reynes: only add function nand_set_flash_node and
nand_get_flash_node because others were already backported]

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
This commit is contained in:
Brian Norris 2019-03-15 15:14:30 +01:00 committed by Tom Rini
parent 8a94262435
commit 892a8682f7
1 changed files with 12 additions and 0 deletions
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12
include/linux/mtd/rawnand.h
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@ -15,6 +15,7 @@
#include <config.h>
#include <dm/device.h>
#include <linux/compat.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/flashchip.h>
@ -961,6 +962,17 @@ struct nand_chip {
void *priv;
};
static inline void nand_set_flash_node(struct nand_chip *chip,
ofnode node)
{
chip->flash_node = ofnode_to_offset(node);
}
static inline ofnode nand_get_flash_node(struct nand_chip *chip)
{
return offset_to_ofnode(chip->flash_node);
}
static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
{
return container_of(mtd, struct nand_chip, mtd);