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Commit 399dc43b authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
Browse files

sparc: switch /proc/led to seq_file 



Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fbaa20f6

arch/sparc/kernel/led.c

+21 −13
Original line number Diff line number Diff line
@@ -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