diff options
Diffstat (limited to 'arch/sparc/kernel/led.c')
| -rw-r--r-- | arch/sparc/kernel/led.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index e278bf52963b..f4fb82b019bb 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -31,23 +32,25 @@ static inline void led_toggle(void) } static struct timer_list led_blink_timer; +static unsigned long led_blink_timer_timeout; -static void led_blink(unsigned long timeout) +static void led_blink(struct timer_list *unused) { + unsigned long timeout = led_blink_timer_timeout; + led_toggle(); /* reschedule */ if (!timeout) { /* blink according to load */ led_blink_timer.expires = jiffies + ((1 + (avenrun[0] >> FSHIFT)) * HZ); - led_blink_timer.data = 0; } else { /* blink at user specified interval */ led_blink_timer.expires = jiffies + (timeout * HZ); - led_blink_timer.data = timeout; } add_timer(&led_blink_timer); } +#ifdef CONFIG_PROC_FS static int led_proc_show(struct seq_file *m, void *v) { if (get_auxio() & AUXIO_LED) @@ -81,16 +84,18 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer, /* before we change anything we want to stop any running timers, * otherwise calls such as on will have no persistent effect */ - del_timer_sync(&led_blink_timer); + timer_delete_sync(&led_blink_timer); if (!strcmp(buf, "on")) { auxio_set_led(AUXIO_LED_ON); } else if (!strcmp(buf, "toggle")) { led_toggle(); } else if ((*buf > '0') && (*buf <= '9')) { - led_blink(simple_strtoul(buf, NULL, 10)); + led_blink_timer_timeout = simple_strtoul(buf, NULL, 10); + led_blink(&led_blink_timer); } else if (!strcmp(buf, "load")) { - led_blink(0); + led_blink_timer_timeout = 0; + led_blink(&led_blink_timer); } else { auxio_set_led(AUXIO_LED_OFF); } @@ -100,28 +105,25 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer, return count; } -static const struct file_operations led_proc_fops = { - .owner = THIS_MODULE, - .open = led_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = led_proc_write, +static const struct proc_ops led_proc_ops = { + .proc_open = led_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = led_proc_write, }; - -static struct proc_dir_entry *led; +#endif #define LED_VERSION "0.1" static int __init led_init(void) { - init_timer(&led_blink_timer); - led_blink_timer.function = led_blink; + timer_setup(&led_blink_timer, led_blink, 0); - led = proc_create("led", 0, NULL, &led_proc_fops); - if (!led) +#ifdef CONFIG_PROC_FS + if (!proc_create("led", 0, NULL, &led_proc_ops)) return -ENOMEM; - +#endif printk(KERN_INFO "led: version %s, Lars Kotthoff <metalhead@metalhead.ws>\n", LED_VERSION); @@ -132,7 +134,7 @@ static int __init led_init(void) static void __exit led_exit(void) { remove_proc_entry("led", NULL); - del_timer_sync(&led_blink_timer); + timer_delete_sync(&led_blink_timer); } module_init(led_init); |
