diff mbox series

[v7,1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells

Message ID 20210312062830.20548-1-ansuelsmth@gmail.com
State Superseded
Headers show
Series [v7,1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells | expand

Commit Message

Christian Marangi March 12, 2021, 6:28 a.m. UTC 
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>
---
 drivers/mtd/mtdcore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Miquel Raynal March 28, 2021, 5:28 p.m. UTC | #1 
On Fri, 2021-03-12 at 06:28:19 UTC, Ansuel Smith wrote:
> 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>


Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel
diff mbox series

Patch

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 2d6423d89a17..ac1b4f176a17 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);