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authorAnsuel Smith <ansuelsmth@gmail.com>2021-03-12 07:28:19 +0100
committerMiquel Raynal <miquel.raynal@bootlin.com>2021-03-28 19:27:02 +0200
commit658c4448bbbf02a143abf1b89d09a3337ebd3ba6 (patch)
tree611e9cb4bfc1337eddcfba2db85f779d4e386b6c /drivers/mtd/mtdcore.c
parente3c1f1c92d6ede3cfa09d6a103d3d1c1ef645e35 (diff)
mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells
Partitions that contains the nvmem-cells compatible will register their direct subonodes as nvmem cells and the node will be treated as a nvmem provider. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Tested-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-1-ansuelsmth@gmail.com
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index aea58366a94e..dab169d597c9 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -531,6 +531,7 @@ static int mtd_nvmem_reg_read(void *priv, unsigned int offset,
static int mtd_nvmem_add(struct mtd_info *mtd)
{
+ struct device_node *node = mtd_get_of_node(mtd);
struct nvmem_config config = {};
config.id = -1;
@@ -543,7 +544,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
config.stride = 1;
config.read_only = true;
config.root_only = true;
- config.no_of_node = true;
+ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
config.priv = mtd;
mtd->nvmem = nvmem_register(&config);