From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/input/misc/cobalt_btns.c | 88 +++++++++++++------------------------------
1 files changed, 27 insertions(+), 61 deletions(-)
diff --git a/kernel/drivers/input/misc/cobalt_btns.c b/kernel/drivers/input/misc/cobalt_btns.c
index fbe72af..b1624f5 100644
--- a/kernel/drivers/input/misc/cobalt_btns.c
+++ b/kernel/drivers/input/misc/cobalt_btns.c
@@ -1,23 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cobalt button interface driver.
*
* Copyright (C) 2007-2008 Yoichi Yuasa <yuasa@linux-mips.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
*/
-#include <linux/input-polldev.h>
+#include <linux/input.h>
+#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -39,16 +27,14 @@
};
struct buttons_dev {
- struct input_polled_dev *poll_dev;
unsigned short keymap[ARRAY_SIZE(cobalt_map)];
int count[ARRAY_SIZE(cobalt_map)];
void __iomem *reg;
};
-static void handle_buttons(struct input_polled_dev *dev)
+static void handle_buttons(struct input_dev *input)
{
- struct buttons_dev *bdev = dev->private;
- struct input_dev *input = dev->input;
+ struct buttons_dev *bdev = input_get_drvdata(input);
uint32_t status;
int i;
@@ -75,29 +61,33 @@
static int cobalt_buttons_probe(struct platform_device *pdev)
{
struct buttons_dev *bdev;
- struct input_polled_dev *poll_dev;
struct input_dev *input;
struct resource *res;
int error, i;
- bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL);
- poll_dev = input_allocate_polled_device();
- if (!bdev || !poll_dev) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ bdev = devm_kzalloc(&pdev->dev, sizeof(*bdev), GFP_KERNEL);
+ if (!bdev)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EBUSY;
+
+ bdev->reg = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+ if (!bdev->reg)
+ return -ENOMEM;
memcpy(bdev->keymap, cobalt_map, sizeof(bdev->keymap));
- poll_dev->private = bdev;
- poll_dev->poll = handle_buttons;
- poll_dev->poll_interval = BUTTONS_POLL_INTERVAL;
+ input = devm_input_allocate_device(&pdev->dev);
+ if (!input)
+ return -ENOMEM;
- input = poll_dev->input;
+ input_set_drvdata(input, bdev);
+
input->name = "Cobalt buttons";
input->phys = "cobalt/input0";
input->id.bustype = BUS_HOST;
- input->dev.parent = &pdev->dev;
input->keycode = bdev->keymap;
input->keycodemax = ARRAY_SIZE(bdev->keymap);
@@ -109,39 +99,16 @@
__set_bit(bdev->keymap[i], input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- error = -EBUSY;
- goto err_free_mem;
- }
- bdev->poll_dev = poll_dev;
- bdev->reg = ioremap(res->start, resource_size(res));
- dev_set_drvdata(&pdev->dev, bdev);
-
- error = input_register_polled_device(poll_dev);
+ error = input_setup_polling(input, handle_buttons);
if (error)
- goto err_iounmap;
+ return error;
- return 0;
+ input_set_poll_interval(input, BUTTONS_POLL_INTERVAL);
- err_iounmap:
- iounmap(bdev->reg);
- err_free_mem:
- input_free_polled_device(poll_dev);
- kfree(bdev);
- return error;
-}
-
-static int cobalt_buttons_remove(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct buttons_dev *bdev = dev_get_drvdata(dev);
-
- input_unregister_polled_device(bdev->poll_dev);
- input_free_polled_device(bdev->poll_dev);
- iounmap(bdev->reg);
- kfree(bdev);
+ error = input_register_device(input);
+ if (error)
+ return error;
return 0;
}
@@ -154,7 +121,6 @@
static struct platform_driver cobalt_buttons_driver = {
.probe = cobalt_buttons_probe,
- .remove = cobalt_buttons_remove,
.driver = {
.name = "Cobalt buttons",
},
--
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