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| 3 | * RTC subsystem, nvmem interface
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| 4 | *
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| 5 | * Copyright (C) 2017 Alexandre Belloni
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| 6 |
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| 7 |
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| 8 | #include <linux/err.h>
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| 9 | #include <linux/types.h>
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| 10 | #include <linux/nvmem-consumer.h>
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| 11 | #include <linux/rtc.h>
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| 12 |
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| 13 | int devm_rtc_nvmem_register(struct rtc_device *rtc,
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| 14 | struct nvmem_config *nvmem_config)
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| 15 | {
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| 16 | struct device *dev = rtc->dev.parent;
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| 17 | struct nvmem_device *nvmem;
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| 18 |
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| 19 | if (!nvmem_config)
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| 20 | return -ENODEV;
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| 21 |
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| 22 | nvmem_config->dev = dev;
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| 23 | nvmem_config->owner = rtc->owner;
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| 24 | nvmem_config->add_legacy_fixed_of_cells = true;
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| 25 | nvmem = devm_nvmem_register(dev, nvmem_config);
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| 26 | if (IS_ERR(nvmem))
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| 27 | dev_err(dev, "failed to register nvmem device for RTC\n");
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| 28 |
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| 29 | return PTR_ERR_OR_ZERO(nvmem);
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| 30 | }
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| 31 | EXPORT_SYMBOL_GPL(devm_rtc_nvmem_register);
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