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// 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);
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