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-rw-r--r--drivers/nvmem/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index f7301bb4ef3b..cf2e1091fe89 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -646,8 +646,8 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
config->name ? config->id : nvmem->id);
}
- nvmem->read_only = device_property_present(config->dev, "read-only") |
- config->read_only;
+ nvmem->read_only = device_property_present(config->dev, "read-only") ||
+ config->read_only || !nvmem->reg_write;
if (config->root_only)
nvmem->dev.groups = nvmem->read_only ?