diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/kernel/apc.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/led.c | 34 |
2 files changed, 23 insertions, 13 deletions
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index d06a405ca71..6707422c984 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/miscdevice.h> +#include <linux/smp_lock.h> #include <linux/pm.h> #include <asm/io.h> @@ -75,6 +76,7 @@ static inline void apc_free(void) static int apc_open(struct inode *inode, struct file *f) { + cycle_kernel_lock(); return 0; } diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 59e9344e7a0..adaaed4ea2f 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/timer.h> @@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout) add_timer(&led_blink_timer); } -static int led_read_proc(char *buf, char **start, off_t offset, int count, - int *eof, void *data) +static int led_proc_show(struct seq_file *m, void *v) { - int len = 0; - if (get_auxio() & AUXIO_LED) - len = sprintf(buf, "on\n"); + seq_puts(m, "on\n"); else - len = sprintf(buf, "off\n"); + seq_puts(m, "off\n"); + return 0; +} - return len; +static int led_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, led_proc_show, NULL); } -static int led_write_proc(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t led_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) { char *buf = NULL; @@ -103,6 +105,15 @@ static int led_write_proc(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 struct proc_dir_entry *led; #define LED_VERSION "0.1" @@ -112,12 +123,9 @@ static int __init led_init(void) init_timer(&led_blink_timer); led_blink_timer.function = led_blink; - led = create_proc_entry("led", 0, NULL); + led = proc_create("led", 0, NULL, &led_proc_fops); if (!led) return -ENOMEM; - - led->read_proc = led_read_proc; /* reader function */ - led->write_proc = led_write_proc; /* writer function */ led->owner = THIS_MODULE; printk(KERN_INFO |