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