add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/rtc/rtc-v3020.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* drivers/rtc/rtc-v3020.c
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  *
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  * Copyright (C) 2006 8D Technologies inc.
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  * Copyright (C) 2004 Compulab Ltd.
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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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  * Driver for the V3020 RTC
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  *
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@@ -17,7 +14,6 @@
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  *
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  *  ??-???-2004: Someone at Compulab
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  *			- Initial driver creation.
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- *
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  */
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 #include <linux/platform_device.h>
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 #include <linux/module.h>
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@@ -288,7 +284,6 @@
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 	struct v3020 *chip;
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 	int retval = -EBUSY;
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 	int i;
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-	int temp;
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 	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
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 	if (!chip)
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@@ -306,7 +301,7 @@
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 	/* Make sure the v3020 expects a communication cycle
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 	 * by reading 8 times */
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 	for (i = 0; i < 8; i++)
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-		temp = chip->ops->read_bit(chip);
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+		chip->ops->read_bit(chip);
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 	/* Test chip by doing a write/read sequence
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 	 * to the chip ram */