add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/drivers/gpio/gpio-max730x.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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  * Copyright (C) 2006 Juergen Beisert, Pengutronix
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  * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix
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  * Copyright (C) 2009 Wolfram Sang, Pengutronix
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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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  * The Maxim MAX7300/1 device is an I2C/SPI driven GPIO expander. There are
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  * 28 GPIOs. 8 of them can trigger an interrupt. See datasheet for more
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@@ -50,7 +47,7 @@
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 static int max7301_direction_input(struct gpio_chip *chip, unsigned offset)
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 {
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-	struct max7301 *ts = gpiochip_get_data(chip);
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+	struct max7301 *ts = container_of(chip, struct max7301, chip);
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 	u8 *config;
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 	u8 offset_bits, pin_config;
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 	int ret;
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@@ -92,7 +89,7 @@
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 static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
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 				    int value)
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 {
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-	struct max7301 *ts = gpiochip_get_data(chip);
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+	struct max7301 *ts = container_of(chip, struct max7301, chip);
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 	u8 *config;
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 	u8 offset_bits;
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 	int ret;
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@@ -192,10 +189,6 @@
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 	ts->chip.parent = dev;
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 	ts->chip.owner = THIS_MODULE;
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-	ret = gpiochip_add_data(&ts->chip, ts);
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-	if (ret)
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-		goto exit_destroy;
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-
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 	/*
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 	 * initialize pullups according to platform data and cache the
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 	 * register values for later use.
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@@ -217,7 +210,9 @@
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 		}
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 	}
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-	return ret;
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+	ret = gpiochip_add_data(&ts->chip, ts);
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+	if (!ret)
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+		return ret;
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 exit_destroy:
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 	mutex_destroy(&ts->lock);