diff options
Diffstat (limited to 'drivers/leds/uleds.c')
| -rw-r--r-- | drivers/leds/uleds.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/drivers/leds/uleds.c b/drivers/leds/uleds.c index 5e9e8a1fdefb..374a841f18c3 100644 --- a/drivers/leds/uleds.c +++ b/drivers/leds/uleds.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Userspace driver for the LED subsystem * * Copyright (C) 2016 David Lechner <david@lechnology.com> * * Based on uinput.c: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.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. */ #include <linux/fs.h> #include <linux/init.h> @@ -74,7 +65,7 @@ static int uleds_open(struct inode *inode, struct file *file) udev->state = ULEDS_STATE_UNKNOWN; file->private_data = udev; - nonseekable_open(inode, file); + stream_open(inode, file); return 0; } @@ -176,14 +167,14 @@ static ssize_t uleds_read(struct file *file, char __user *buffer, size_t count, return retval; } -static unsigned int uleds_poll(struct file *file, poll_table *wait) +static __poll_t uleds_poll(struct file *file, poll_table *wait) { struct uleds_device *udev = file->private_data; poll_wait(file, &udev->waitq, wait); if (udev->new_data) - return POLLIN | POLLRDNORM; + return EPOLLIN | EPOLLRDNORM; return 0; } @@ -209,7 +200,6 @@ static const struct file_operations uleds_fops = { .read = uleds_read, .write = uleds_write, .poll = uleds_poll, - .llseek = no_llseek, }; static struct miscdevice uleds_misc = { @@ -218,17 +208,7 @@ static struct miscdevice uleds_misc = { .name = ULEDS_NAME, }; -static int __init uleds_init(void) -{ - return misc_register(&uleds_misc); -} -module_init(uleds_init); - -static void __exit uleds_exit(void) -{ - misc_deregister(&uleds_misc); -} -module_exit(uleds_exit); +module_misc_device(uleds_misc); MODULE_AUTHOR("David Lechner <david@lechnology.com>"); MODULE_DESCRIPTION("Userspace driver for the LED subsystem"); |