修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/input/mouse/gpio_mouse.c
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@@ -1,17 +1,14 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Driver for simulating a mouse on GPIO lines.
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  *
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  * Copyright (C) 2007 Atmel Corporation
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  * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
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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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 #include <linux/module.h>
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 #include <linux/platform_device.h>
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-#include <linux/input-polldev.h>
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+#include <linux/input.h>
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 #include <linux/gpio/consumer.h>
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 #include <linux/property.h>
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 #include <linux/of.h>
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@@ -46,10 +43,9 @@
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  * Timer function which is run every scan_ms ms when the device is opened.
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  * The dev input variable is set to the the input_dev pointer.
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  */
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-static void gpio_mouse_scan(struct input_polled_dev *dev)
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+static void gpio_mouse_scan(struct input_dev *input)
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 {
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-	struct gpio_mouse *gpio = dev->private;
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-	struct input_dev *input = dev->input;
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+	struct gpio_mouse *gpio = input_get_drvdata(input);
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 	int x, y;
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 	if (gpio->bleft)
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@@ -74,18 +70,17 @@
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 {
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 	struct device *dev = &pdev->dev;
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 	struct gpio_mouse *gmouse;
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-	struct input_polled_dev *input_poll;
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 	struct input_dev *input;
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-	int ret;
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+	int error;
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 	gmouse = devm_kzalloc(dev, sizeof(*gmouse), GFP_KERNEL);
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 	if (!gmouse)
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 		return -ENOMEM;
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 	/* Assign some default scanning time */
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-	ret = device_property_read_u32(dev, "scan-interval-ms",
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-				       &gmouse->scan_ms);
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-	if (ret || gmouse->scan_ms == 0) {
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+	error = device_property_read_u32(dev, "scan-interval-ms",
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+					 &gmouse->scan_ms);
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+	if (error || gmouse->scan_ms == 0) {
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 		dev_warn(dev, "invalid scan time, set to 50 ms\n");
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 		gmouse->scan_ms = 50;
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 	}
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@@ -115,23 +110,14 @@
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 	if (IS_ERR(gmouse->bright))
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 		return PTR_ERR(gmouse->bright);
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-	input_poll = devm_input_allocate_polled_device(dev);
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-	if (!input_poll) {
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-		dev_err(dev, "not enough memory for input device\n");
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+	input = devm_input_allocate_device(dev);
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+	if (!input)
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 		return -ENOMEM;
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-	}
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-	platform_set_drvdata(pdev, input_poll);
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-
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-	/* set input-polldev handlers */
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-	input_poll->private = gmouse;
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-	input_poll->poll = gpio_mouse_scan;
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-	input_poll->poll_interval = gmouse->scan_ms;
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-
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-	input = input_poll->input;
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 	input->name = pdev->name;
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 	input->id.bustype = BUS_HOST;
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-	input->dev.parent = &pdev->dev;
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+
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+	input_set_drvdata(input, gmouse);
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 	input_set_capability(input, EV_REL, REL_X);
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 	input_set_capability(input, EV_REL, REL_Y);
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@@ -142,10 +128,16 @@
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 	if (gmouse->bright)
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 		input_set_capability(input, EV_KEY, BTN_RIGHT);
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-	ret = input_register_polled_device(input_poll);
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-	if (ret) {
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+	error = input_setup_polling(input, gpio_mouse_scan);
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+	if (error)
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+		return error;
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+
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+	input_set_poll_interval(input, gmouse->scan_ms);
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+
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+	error = input_register_device(input);
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+	if (error) {
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 		dev_err(dev, "could not register input device\n");
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-		return ret;
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+		return error;
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 	}
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 	dev_dbg(dev, "%d ms scan time, buttons: %s%s%s\n",