add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/rk630-i2c.c
..
..
@@ -49,6 +49,15 @@
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 		return ret;
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 	}
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+	rk630->rtc = devm_regmap_init_i2c(client, &rk630_rtc_regmap_config);
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+	if (IS_ERR(rk630->rtc)) {
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+		ret = PTR_ERR(rk630->rtc);
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+		dev_err(dev, "failed to allocate rtc register map: %d\n", ret);
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+		return ret;
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+	}
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+
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+	rk630->irq = client->irq;
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+
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 	return rk630_core_probe(rk630);
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 }
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