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/sgi_btns.c | 69 +++++++++------------------------- 1 files changed, 18 insertions(+), 51 deletions(-) diff --git a/kernel/drivers/input/misc/sgi_btns.c b/kernel/drivers/input/misc/sgi_btns.c index 7bbe79d..0657d78 100644 --- a/kernel/drivers/input/misc/sgi_btns.c +++ b/kernel/drivers/input/misc/sgi_btns.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * SGI Volume Button interface driver * * Copyright (C) 2008 Thomas Bogendoerfer <tsbogend@alpha.franken.de> - * - * 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/ioport.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -58,15 +45,13 @@ }; struct buttons_dev { - struct input_polled_dev *poll_dev; unsigned short keymap[ARRAY_SIZE(sgi_map)]; int count[ARRAY_SIZE(sgi_map)]; }; -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); u8 status; int i; @@ -93,28 +78,24 @@ static int sgi_buttons_probe(struct platform_device *pdev) { struct buttons_dev *bdev; - struct input_polled_dev *poll_dev; struct input_dev *input; 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; + + input = devm_input_allocate_device(&pdev->dev); + if (!input) + return -ENOMEM; memcpy(bdev->keymap, sgi_map, sizeof(bdev->keymap)); - poll_dev->private = bdev; - poll_dev->poll = handle_buttons; - poll_dev->poll_interval = BUTTONS_POLL_INTERVAL; + input_set_drvdata(input, bdev); - input = poll_dev->input; input->name = "SGI buttons"; input->phys = "sgi/input0"; input->id.bustype = BUS_HOST; - input->dev.parent = &pdev->dev; input->keycode = bdev->keymap; input->keycodemax = ARRAY_SIZE(bdev->keymap); @@ -126,35 +107,21 @@ __set_bit(bdev->keymap[i], input->keybit); __clear_bit(KEY_RESERVED, input->keybit); - bdev->poll_dev = poll_dev; - platform_set_drvdata(pdev, bdev); - - error = input_register_polled_device(poll_dev); + error = input_setup_polling(input, handle_buttons); if (error) - goto err_free_mem; + return error; - return 0; + input_set_poll_interval(input, BUTTONS_POLL_INTERVAL); - err_free_mem: - input_free_polled_device(poll_dev); - kfree(bdev); - return error; -} - -static int sgi_buttons_remove(struct platform_device *pdev) -{ - struct buttons_dev *bdev = platform_get_drvdata(pdev); - - input_unregister_polled_device(bdev->poll_dev); - input_free_polled_device(bdev->poll_dev); - kfree(bdev); + error = input_register_device(input); + if (error) + return error; return 0; } static struct platform_driver sgi_buttons_driver = { .probe = sgi_buttons_probe, - .remove = sgi_buttons_remove, .driver = { .name = "sgibtns", }, -- Gitblit v1.6.2