On 6/26/24 3:07 PM, Srinivas Kandagatla wrote:
On 26/06/2024 05:11, Marek Vasut wrote:static const struct attribute_group *nvmem_dev_groups[] = {@@ -945,6 +988,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) nvmem->read_only = device_property_present(config->dev, "read-only") ||config->read_only || !nvmem->reg_write; + nvmem->default_read_only = nvmem->read_only; #ifdef CONFIG_NVMEM_SYSFS nvmem->dev.groups = nvmem_dev_groups; diff --git a/drivers/nvmem/internals.h b/drivers/nvmem/internals.h index 18fed57270e5e..0667937ebb86b 100644 --- a/drivers/nvmem/internals.h +++ b/drivers/nvmem/internals.h @@ -16,6 +16,7 @@ struct nvmem_device { int id; struct kref refcnt; size_t size; + bool default_read_only;Its not very clear what is the need for this?
This field is used to discern devices which are by default read-write from ones which are by default read-only. Only the former can be switched between read-write and read-only mode ; the later cannot be switched to read-write mode .
