[linux-block.git] / drivers / rtc / nvmem.c

// 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 rtc_nvmem_register(struct rtc_device *rtc,
		       struct nvmem_config *nvmem_config)
{
	struct nvmem_device *nvmem;

	if (!nvmem_config)
		return -ENODEV;

	nvmem_config->dev = rtc->dev.parent;
	nvmem_config->owner = rtc->owner;
	nvmem = devm_nvmem_register(rtc->dev.parent, nvmem_config);

	return PTR_ERR_OR_ZERO(nvmem);
}
EXPORT_SYMBOL_GPL(rtc_nvmem_register);
Commit	Line	Data
cdf7545a	1	// SPDX-License-Identifier: GPL-2.0
697e5a47 AB	2	/*
	3	* RTC subsystem, nvmem interface
	4	*
	5	* Copyright (C) 2017 Alexandre Belloni
697e5a47 AB	6	*/
	7
	8	#include <linux/err.h>
	9	#include <linux/types.h>
	10	#include <linux/nvmem-consumer.h>
	11	#include <linux/rtc.h>
697e5a47	12
2cc82121 AB	13	int rtc_nvmem_register(struct rtc_device *rtc,
2cc82121 AB	14	struct nvmem_config *nvmem_config)
697e5a47	15	{
41c9e132	16	struct nvmem_device *nvmem;
ab3ea36e	17
4cce9d39	18	if (!nvmem_config)
2cc82121	19	return -ENODEV;
697e5a47	20
ac75779b	21	nvmem_config->dev = rtc->dev.parent;
4cce9d39	22	nvmem_config->owner = rtc->owner;
41c9e132	23	nvmem = devm_nvmem_register(rtc->dev.parent, nvmem_config);
2cc82121	24
25ece305	25	return PTR_ERR_OR_ZERO(nvmem);
697e5a47	26	}
fd5cd21d	27	EXPORT_SYMBOL_GPL(rtc_nvmem_register);