From 658c4448bbbf02a143abf1b89d09a3337ebd3ba6 Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Fri, 12 Mar 2021 07:28:19 +0100 Subject: [PATCH] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Tested-by: Rafał Miłecki Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-1-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 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);