diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index d6bacc878500..6cd3edb2eaf6 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -635,12 +635,18 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) if (!config->no_of_node) nvmem->dev.of_node = config->dev->of_node; - if (config->id == -1 && config->name) { + switch (config->id) { + case NVMEM_DEVID_NONE: dev_set_name(&nvmem->dev, "%s", config->name); - } else { + break; + case NVMEM_DEVID_AUTO: + dev_set_name(&nvmem->dev, "%s%d", config->name, nvmem->id); + break; + default: dev_set_name(&nvmem->dev, "%s%d", config->name ? : "nvmem", config->name ? config->id : nvmem->id); + break; } nvmem->read_only = device_property_present(config->dev, "read-only") || diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index 6d6f8e5d24c9..06409a6c40bc 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -27,6 +27,9 @@ enum nvmem_type { NVMEM_TYPE_BATTERY_BACKED, }; +#define NVMEM_DEVID_NONE (-1) +#define NVMEM_DEVID_AUTO (-2) + /** * struct nvmem_config - NVMEM device configuration *