add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/rtc/rtc-m48t86.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * ST M48T86 / Dallas DS12887 RTC driver
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  * Copyright (c) 2006 Tower Technologies
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  *
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  * Author: Alessandro Zummo <a.zummo@towertech.it>
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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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  * This drivers only supports the clock running in BCD and 24H mode.
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  * If it will be ever adapted to binary and 12H mode, care must be taken
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@@ -221,7 +218,6 @@
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 static int m48t86_rtc_probe(struct platform_device *pdev)
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 {
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 	struct m48t86_rtc_info *info;
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-	struct resource *res;
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 	unsigned char reg;
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 	int err;
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 	struct nvmem_config m48t86_nvmem_cfg = {
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@@ -238,17 +234,11 @@
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 	if (!info)
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 		return -ENOMEM;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	if (!res)
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-		return -ENODEV;
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-	info->index_reg = devm_ioremap_resource(&pdev->dev, res);
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+	info->index_reg = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(info->index_reg))
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 		return PTR_ERR(info->index_reg);
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
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-	if (!res)
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-		return -ENODEV;
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-	info->data_reg = devm_ioremap_resource(&pdev->dev, res);
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+	info->data_reg = devm_platform_ioremap_resource(pdev, 1);
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 	if (IS_ERR(info->data_reg))
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 		return PTR_ERR(info->data_reg);
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