Introduce 2 new bindings for the mtd structure.
Mtd partitions can be set as 'nvmem-provider' and any subpartition defined
with the tag 'nvmem-cell' are skipped by the 'fixed-partitions' parser
and registred as a nvmem cell by the nvmem api.
Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
---
drivers/mtd/mtdcore.c | 2 +-
drivers/mtd/parsers/ofpart.c | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 7d930569a7df..72502c990007 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -563,7 +563,7 @@ 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_property_read_bool(mtd_node, "nvmem-provider");
config.priv = mtd;
mtd->nvmem = nvmem_register(&config);
diff --git a/drivers/mtd/parsers/ofpart.c b/drivers/mtd/parsers/ofpart.c
index daf507c123e6..442e039214bc 100644
--- a/drivers/mtd/parsers/ofpart.c
+++ b/drivers/mtd/parsers/ofpart.c
@@ -61,6 +61,10 @@ static int parse_fixed_partitions(struct mtd_info *master,
if (!dedicated && node_has_compatible(pp))
continue;
+ /* skip adding if a nvmem-cell is detected */
+ if (of_property_read_bool(pp, "nvmem-cell"))
+ continue;
+
nr_parts++;
}
@@ -80,6 +84,10 @@ static int parse_fixed_partitions(struct mtd_info *master,
if (!dedicated && node_has_compatible(pp))
continue;
+ /* skip adding if a nvmem-cell is detected */
+ if (of_property_read_bool(pp, "nvmem-cell"))
+ continue;
+
reg = of_get_property(pp, "reg", &len);
if (!reg) {
if (dedicated) {
--
2.27.0
