mtd: add get/set of_node/flash_node helpers

[Linux-MTD Mailing List]

Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=28b8b26b308e656edfa9467867d5f79212da2ec3
Commit:     28b8b26b308e656edfa9467867d5f79212da2ec3
Parent:     bf9c37cb627a3f690e246d9326a4a94913771bbf
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Fri Oct 30 20:33:20 2015 -0700
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed Nov 11 13:45:05 2015 -0800

    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 at gmail.com>
    Reviewed-by: Boris Brezillon <boris.brezillon at 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(+)

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f17fa75..cc84923 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -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);
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 5a9d1d4..4f7c9b9 100644
--- 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
  */
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index c8723b6..6d991df 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -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