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sparc: switch /proc/led to seq_file 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-06-03 15:21:21 -07:00 committed by David S. Miller
parent fbaa20f66a
commit 399dc43bc2
1 changed files with 22 additions and 14 deletions
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36
arch/sparc/kernel/led.c
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@ -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");
return len;
seq_puts(m, "off\n");
return 0;
}
static int led_write_proc(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int led_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, led_proc_show, NULL);
}
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