add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/spi/spi-lp8841-rtc.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * SPI master driver for ICP DAS LP-8841 RTC
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  *
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@@ -8,16 +9,6 @@
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  * Dallas DS1302 RTC Support
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  * Copyright (C) 2002 David McCullough
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  * Copyright (C) 2003 - 2007 Paul Mundt
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/delay.h>
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 #include <linux/kernel.h>
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@@ -194,7 +185,6 @@
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 	int				ret;
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 	struct spi_master		*master;
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 	struct spi_lp8841_rtc		*data;
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-	void				*iomem;
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 	master = spi_alloc_master(&pdev->dev, sizeof(*data));
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 	if (!master)
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@@ -216,8 +206,7 @@
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 	data = spi_master_get_devdata(master);
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-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	data->iomem = devm_ioremap_resource(&pdev->dev, iomem);
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+	data->iomem = devm_platform_ioremap_resource(pdev, 0);
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 	ret = PTR_ERR_OR_ZERO(data->iomem);
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 	if (ret) {
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 		dev_err(&pdev->dev, "failed to get IO address\n");