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6746bc095b
Some users check the return value of devm_rtc_nvmem_register() only in order to emit an error message and then continue probing. This is fine as an rtc can function without exposing nvmem but let's generalize it: let's make the registration function emit the error message so that users don't have to. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201109163409.24301-7-brgl@bgdev.pl
30 lines
703 B
C
30 lines
703 B
C
// 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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