add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-ds1553.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * An rtc driver for the Dallas DS1553
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  *
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  * Copyright (C) 2006 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/bcd.h>
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@@ -252,7 +249,6 @@
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 static int ds1553_rtc_probe(struct platform_device *pdev)
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 {
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-	struct resource *res;
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 	unsigned int cen, sec;
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 	struct rtc_plat_data *pdata;
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 	void __iomem *ioaddr;
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@@ -271,8 +267,7 @@
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 	if (!pdata)
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 		return -ENOMEM;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	ioaddr = devm_ioremap_resource(&pdev->dev, res);
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+	ioaddr = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(ioaddr))
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 		return PTR_ERR(ioaddr);
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 	pdata->ioaddr = ioaddr;