rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/platform/x86/hdaps.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * hdaps.c - driver for IBM's Hard Drive Active Protection System
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  *
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@@ -11,26 +12,13 @@
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  * This driver is based on the document by Mark A. Smith available at
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  * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial
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  * and error.
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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 v2 as published by the
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- * Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
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  */
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16
 
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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18
 
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 #include <linux/delay.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/kernel.h>
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 #include <linux/mutex.h>
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 #include <linux/module.h>
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@@ -71,7 +59,7 @@
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 #define HDAPS_BOTH_AXES		(HDAPS_X_AXIS | HDAPS_Y_AXIS)
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 static struct platform_device *pdev;
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-static struct input_polled_dev *hdaps_idev;
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+static struct input_dev *hdaps_idev;
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 static unsigned int hdaps_invert;
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 static u8 km_activity;
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 static int rest_x;
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@@ -330,9 +318,8 @@
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 	__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y);
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 }
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320
 
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-static void hdaps_mousedev_poll(struct input_polled_dev *dev)
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+static void hdaps_mousedev_poll(struct input_dev *input_dev)
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 {
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-	struct input_dev *input_dev = dev->input;
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 	int x, y;
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324
 
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 	mutex_lock(&hdaps_mtx);
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@@ -378,7 +365,7 @@
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 static ssize_t hdaps_temp1_show(struct device *dev,
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 				struct device_attribute *attr, char *buf)
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 {
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-	u8 uninitialized_var(temp);
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+	u8 temp;
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 	int ret;
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370
 
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 	ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
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@@ -391,7 +378,7 @@
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 static ssize_t hdaps_temp2_show(struct device *dev,
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 				struct device_attribute *attr, char *buf)
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 {
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-	u8 uninitialized_var(temp);
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+	u8 temp;
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 	int ret;
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383
 
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 	ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
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@@ -543,7 +530,6 @@
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530
 
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 static int __init hdaps_init(void)
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 {
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-	struct input_dev *idev;
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 	int ret;
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534
 
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 	if (!dmi_check_system(hdaps_whitelist)) {
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@@ -571,31 +557,32 @@
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 	if (ret)
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 		goto out_device;
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559
 
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-	hdaps_idev = input_allocate_polled_device();
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+	hdaps_idev = input_allocate_device();
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 	if (!hdaps_idev) {
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 		ret = -ENOMEM;
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 		goto out_group;
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 	}
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-	hdaps_idev->poll = hdaps_mousedev_poll;
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-	hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL;
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-
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 	/* initial calibrate for the input device */
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 	hdaps_calibrate();
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568
 
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 	/* initialize the input class */
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-	idev = hdaps_idev->input;
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-	idev->name = "hdaps";
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-	idev->phys = "isa1600/input0";
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-	idev->id.bustype = BUS_ISA;
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-	idev->dev.parent = &pdev->dev;
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-	idev->evbit[0] = BIT_MASK(EV_ABS);
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-	input_set_abs_params(idev, ABS_X,
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+	hdaps_idev->name = "hdaps";
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+	hdaps_idev->phys = "isa1600/input0";
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+	hdaps_idev->id.bustype = BUS_ISA;
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+	hdaps_idev->dev.parent = &pdev->dev;
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+	input_set_abs_params(hdaps_idev, ABS_X,
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 			-256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
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-	input_set_abs_params(idev, ABS_Y,
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+	input_set_abs_params(hdaps_idev, ABS_Y,
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 			-256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
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-	ret = input_register_polled_device(hdaps_idev);
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+	ret = input_setup_polling(hdaps_idev, hdaps_mousedev_poll);
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+	if (ret)
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+		goto out_idev;
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+
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+	input_set_poll_interval(hdaps_idev, HDAPS_POLL_INTERVAL);
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+
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+	ret = input_register_device(hdaps_idev);
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 	if (ret)
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 		goto out_idev;
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@@ -603,7 +590,7 @@
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 	return 0;
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591
 
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 out_idev:
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-	input_free_polled_device(hdaps_idev);
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+	input_free_device(hdaps_idev);
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 out_group:
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 	sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
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 out_device:
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@@ -619,8 +606,7 @@
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 static void __exit hdaps_exit(void)
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 {
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-	input_unregister_polled_device(hdaps_idev);
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-	input_free_polled_device(hdaps_idev);
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+	input_unregister_device(hdaps_idev);
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 	sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
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 	platform_device_unregister(pdev);
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 	platform_driver_unregister(&hdaps_driver);