add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-starfire.c
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@@ -27,7 +27,7 @@
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 static int starfire_read_time(struct device *dev, struct rtc_time *tm)
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 {
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-	rtc_time_to_tm(starfire_get_time(), tm);
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+	rtc_time64_to_tm(starfire_get_time(), tm);
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 	return 0;
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 }
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@@ -39,14 +39,16 @@
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 {
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 	struct rtc_device *rtc;
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-	rtc = devm_rtc_device_register(&pdev->dev, "starfire",
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-				&starfire_rtc_ops, THIS_MODULE);
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+	rtc = devm_rtc_allocate_device(&pdev->dev);
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 	if (IS_ERR(rtc))
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 		return PTR_ERR(rtc);
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+	rtc->ops = &starfire_rtc_ops;
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+	rtc->range_max = U32_MAX;
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+
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 	platform_set_drvdata(pdev, rtc);
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-	return 0;
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+	return rtc_register_device(rtc);
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 }
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 static struct platform_driver starfire_rtc_driver = {