From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/drivers/platform/x86/hdaps.c | 58 ++++++++++++++++++++++------------------------------------
1 files changed, 22 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/platform/x86/hdaps.c b/kernel/drivers/platform/x86/hdaps.c
index c26baf7..a722709 100644
--- a/kernel/drivers/platform/x86/hdaps.c
+++ b/kernel/drivers/platform/x86/hdaps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* hdaps.c - driver for IBM's Hard Drive Active Protection System
*
@@ -11,26 +12,13 @@
* This driver is based on the document by Mark A. Smith available at
* http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial
* and error.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License v2 as published by the
- * Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/delay.h>
#include <linux/platform_device.h>
-#include <linux/input-polldev.h>
+#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/module.h>
@@ -71,7 +59,7 @@
#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS)
static struct platform_device *pdev;
-static struct input_polled_dev *hdaps_idev;
+static struct input_dev *hdaps_idev;
static unsigned int hdaps_invert;
static u8 km_activity;
static int rest_x;
@@ -330,9 +318,8 @@
__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y);
}
-static void hdaps_mousedev_poll(struct input_polled_dev *dev)
+static void hdaps_mousedev_poll(struct input_dev *input_dev)
{
- struct input_dev *input_dev = dev->input;
int x, y;
mutex_lock(&hdaps_mtx);
@@ -378,7 +365,7 @@
static ssize_t hdaps_temp1_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- u8 uninitialized_var(temp);
+ u8 temp;
int ret;
ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
@@ -391,7 +378,7 @@
static ssize_t hdaps_temp2_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- u8 uninitialized_var(temp);
+ u8 temp;
int ret;
ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
@@ -543,7 +530,6 @@
static int __init hdaps_init(void)
{
- struct input_dev *idev;
int ret;
if (!dmi_check_system(hdaps_whitelist)) {
@@ -571,31 +557,32 @@
if (ret)
goto out_device;
- hdaps_idev = input_allocate_polled_device();
+ hdaps_idev = input_allocate_device();
if (!hdaps_idev) {
ret = -ENOMEM;
goto out_group;
}
- hdaps_idev->poll = hdaps_mousedev_poll;
- hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL;
-
/* initial calibrate for the input device */
hdaps_calibrate();
/* initialize the input class */
- idev = hdaps_idev->input;
- idev->name = "hdaps";
- idev->phys = "isa1600/input0";
- idev->id.bustype = BUS_ISA;
- idev->dev.parent = &pdev->dev;
- idev->evbit[0] = BIT_MASK(EV_ABS);
- input_set_abs_params(idev, ABS_X,
+ hdaps_idev->name = "hdaps";
+ hdaps_idev->phys = "isa1600/input0";
+ hdaps_idev->id.bustype = BUS_ISA;
+ hdaps_idev->dev.parent = &pdev->dev;
+ input_set_abs_params(hdaps_idev, ABS_X,
-256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
- input_set_abs_params(idev, ABS_Y,
+ input_set_abs_params(hdaps_idev, ABS_Y,
-256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
- ret = input_register_polled_device(hdaps_idev);
+ ret = input_setup_polling(hdaps_idev, hdaps_mousedev_poll);
+ if (ret)
+ goto out_idev;
+
+ input_set_poll_interval(hdaps_idev, HDAPS_POLL_INTERVAL);
+
+ ret = input_register_device(hdaps_idev);
if (ret)
goto out_idev;
@@ -603,7 +590,7 @@
return 0;
out_idev:
- input_free_polled_device(hdaps_idev);
+ input_free_device(hdaps_idev);
out_group:
sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
out_device:
@@ -619,8 +606,7 @@
static void __exit hdaps_exit(void)
{
- input_unregister_polled_device(hdaps_idev);
- input_free_polled_device(hdaps_idev);
+ input_unregister_device(hdaps_idev);
sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
platform_device_unregister(pdev);
platform_driver_unregister(&hdaps_driver);
--
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