diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2018-08-16 17:30:03 +0200 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2018-09-20 20:10:49 +0530 |
| commit | 9bfc3fde9c64320f7165560a64888fad09bc0fee (patch) | |
| tree | a107e8deb7476e63f57d2af570f3b844991b6b50 | |
| parent | ca040d8512f4d93a7eb83f7b8fec8f4b8b1d3192 (diff) | |
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>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
| -rw-r--r-- | include/linux/mtd/mtd.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index eb39f38887..272c646f9d 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -21,6 +21,9 @@ #include <mtd/mtd-abi.h> #include <linux/errno.h> #include <div64.h> +#if IS_ENABLED(CONFIG_DM) +#include <dm/device.h> +#endif #define MAX_MTD_DEVICES 32 #endif @@ -306,6 +309,31 @@ struct mtd_info { int usecount; }; +#if IS_ENABLED(CONFIG_DM) +static inline void mtd_set_of_node(struct mtd_info *mtd, + const struct device_node *np) +{ + mtd->dev->node.np = np; +} + +static inline const struct device_node *mtd_get_of_node(struct mtd_info *mtd) +{ + return mtd->dev->node.np; +} +#else +struct device_node; + +static inline void mtd_set_of_node(struct mtd_info *mtd, + const struct device_node *np) +{ +} + +static inline const struct device_node *mtd_get_of_node(struct mtd_info *mtd) +{ + return NULL; +} +#endif + int mtd_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobecc); int mtd_ooblayout_find_eccregion(struct mtd_info *mtd, int eccbyte, |