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* [PATCH v5 1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells
@ 2021-03-11  5:12 ` Ansuel Smith
  0 siblings, 0 replies; 16+ messages in thread
From: Ansuel Smith @ 2021-03-11  5:12 UTC (permalink / raw)
  To: Rob Herring
  Cc: Ansuel Smith, Miquel Raynal, Richard Weinberger,
	Vignesh Raghavendra, Rob Herring, Srinivas Kandagatla, linux-mtd,
	devicetree, linux-kernel

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>
---
 drivers/mtd/mtdcore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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);
-- 
2.30.0


^ permalink raw reply related	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2021-03-12  6:16 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-11  5:12 [PATCH v5 1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells Ansuel Smith
2021-03-11  5:12 ` Ansuel Smith
2021-03-11  5:12 ` [PATCH v5 2/3] dt-bindings: mtd: Document use of nvmem-cells compatible Ansuel Smith
2021-03-11  5:12   ` Ansuel Smith
2021-03-11 16:41   ` Rob Herring
2021-03-11 16:41     ` Rob Herring
2021-03-11 16:57     ` Rob Herring
2021-03-11 16:57       ` Rob Herring
2021-03-11 17:32   ` Rob Herring
2021-03-11 17:32     ` Rob Herring
2021-03-11 10:50     ` Ansuel Smith
2021-03-11 10:50       ` Ansuel Smith
2021-03-12  6:15       ` Rafał Miłecki
2021-03-12  6:15         ` Rafał Miłecki
2021-03-11  5:12 ` [PATCH v5 3/3] devicetree: nvmem: nvmem: drop $nodename restriction Ansuel Smith
2021-03-11  5:12   ` Ansuel Smith

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