add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpio/gpio-viperboard.c
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@@ -1,15 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  *  Nano River Technologies viperboard GPIO lib driver
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  *
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  *  (C) 2012 by Lemonage GmbH
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  *  Author: Lars Poeschel <poeschel@lemonage.de>
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  *  All rights reserved.
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- *
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- *  This program is free software; you can redistribute  it and/or modify it
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- *  under  the terms of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the	License, or (at your
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- *  option) any later version.
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- *
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  */
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 #include <linux/kernel.h>
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@@ -19,9 +14,8 @@
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 #include <linux/types.h>
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 #include <linux/mutex.h>
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 #include <linux/platform_device.h>
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-
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 #include <linux/usb.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/driver.h>
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 #include <linux/mfd/viperboard.h>
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@@ -85,7 +79,7 @@
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 /* ----- begin of gipo a chip -------------------------------------------- */
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 static int vprbrd_gpioa_get(struct gpio_chip *chip,
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-		unsigned offset)
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+		unsigned int offset)
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 {
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 	int ret, answer, error = 0;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -135,7 +129,7 @@
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 }
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 static void vprbrd_gpioa_set(struct gpio_chip *chip,
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-		unsigned offset, int value)
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+		unsigned int offset, int value)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -176,7 +170,7 @@
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 }
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 static int vprbrd_gpioa_direction_input(struct gpio_chip *chip,
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-			unsigned offset)
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+			unsigned int offset)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -213,7 +207,7 @@
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 }
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 static int vprbrd_gpioa_direction_output(struct gpio_chip *chip,
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-			unsigned offset, int value)
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+			unsigned int offset, int value)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -257,8 +251,8 @@
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 /* ----- begin of gipo b chip -------------------------------------------- */
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-static int vprbrd_gpiob_setdir(struct vprbrd *vb, unsigned offset,
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-	unsigned dir)
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+static int vprbrd_gpiob_setdir(struct vprbrd *vb, unsigned int offset,
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+	unsigned int dir)
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 {
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 	struct vprbrd_gpiob_msg *gbmsg = (struct vprbrd_gpiob_msg *)vb->buf;
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 	int ret;
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@@ -279,7 +273,7 @@
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 }
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 static int vprbrd_gpiob_get(struct gpio_chip *chip,
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-		unsigned offset)
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+		unsigned int offset)
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 {
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 	int ret;
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 	u16 val;
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@@ -311,7 +305,7 @@
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 }
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 static void vprbrd_gpiob_set(struct gpio_chip *chip,
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-		unsigned offset, int value)
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+		unsigned int offset, int value)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -344,7 +338,7 @@
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 }
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 static int vprbrd_gpiob_direction_input(struct gpio_chip *chip,
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-			unsigned offset)
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+			unsigned int offset)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);
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@@ -365,7 +359,7 @@
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 }
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 static int vprbrd_gpiob_direction_output(struct gpio_chip *chip,
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-			unsigned offset, int value)
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+			unsigned int offset, int value)
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 {
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 	int ret;
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 	struct vprbrd_gpio *gpio = gpiochip_get_data(chip);