// SPDX-License-Identifier: GPL-2.0 /* * RTC subsystem, nvmem interface * * Copyright (C) 2017 Alexandre Belloni */ #include <linux/err.h> #include <linux/types.h> #include <linux/nvmem-consumer.h> #include <linux/rtc.h> int devm_rtc_nvmem_register(struct rtc_device *rtc, struct nvmem_config *nvmem_config) { struct device *dev = rtc->dev.parent; struct nvmem_device *nvmem; if (!nvmem_config) return -ENODEV; nvmem_config->dev = dev; nvmem_config->owner = rtc->owner; nvmem = devm_nvmem_register(dev, nvmem_config); if (IS_ERR(nvmem)) dev_err(dev, "failed to register nvmem device for RTC\n"); return PTR_ERR_OR_ZERO(nvmem); } EXPORT_SYMBOL_GPL(devm_rtc_nvmem_register);